diff options
| author | John Audia <therealgraysky@proton.me> | 2022-05-12 08:32:29 -0400 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2022-05-16 20:26:38 +0200 |
| commit | 6cdf974a3d0cfebf4a37aaf2876b2ece0f11363d (patch) | |
| tree | 4568a7e836edc231c5ffdefbbbbde476c9d51033 /target/linux | |
| parent | b754b0c721131005efa7127151088e9c23dc9053 (diff) | |
| download | upstream-6cdf974a3d0cfebf4a37aaf2876b2ece0f11363d.tar.gz upstream-6cdf974a3d0cfebf4a37aaf2876b2ece0f11363d.tar.bz2 upstream-6cdf974a3d0cfebf4a37aaf2876b2ece0f11363d.zip | |
kernel: bump 5.15 to 5.15.39
Removed upstreamed:
backport-5.15/850-v5.17-0001-PCI-pci-bridge-emul-Add-description-for-class_revisi.patch
backport-5.15/850-v5.17-0002-PCI-pci-bridge-emul-Add-definitions-for-missing-capa.patch
backport-5.15/850-v5.17-0003-PCI-aardvark-Add-support-for-DEVCAP2-DEVCTL2-LNKCAP2.patch
backport-5.15/850-v5.17-0004-PCI-aardvark-Clear-all-MSIs-at-setup.patch
backport-5.15/850-v5.17-0005-PCI-aardvark-Comment-actions-in-driver-remove-method.patch
backport-5.15/850-v5.17-0006-PCI-aardvark-Disable-bus-mastering-when-unbinding-dr.patch
backport-5.15/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch
backport-5.15/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch
backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch
backport-5.15/850-v5.17-0010-PCI-aardvark-Disable-link-training-when-unbinding-dr.patch
backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch
pending-5.15/850-0001-PCI-aardvark-Replace-custom-PCIE_CORE_INT_-macros-wi.patch
pending-5.15/850-0004-PCI-aardvark-Rewrite-IRQ-code-to-chained-IRQ-handler.patch
pending-5.15/850-0005-PCI-aardvark-Check-return-value-of-generic_handle_do.patch
pending-5.15/850-0006-PCI-aardvark-Make-MSI-irq_chip-structures-static-dri.patch
pending-5.15/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch
pending-5.15/850-0008-PCI-aardvark-Use-dev_fwnode-instead-of-of_node_to_fw.patch
pending-5.15/850-0009-PCI-aardvark-Refactor-unmasking-summary-MSI-interrup.patch
pending-5.15/850-0010-PCI-aardvark-Add-support-for-masking-MSI-interrupts.patch
pending-5.15/850-0011-PCI-aardvark-Fix-setting-MSI-address.patc
pending-5.15/850-0012-PCI-aardvark-Enable-MSI-X-support.patch
pending-5.15/850-0013-PCI-aardvark-Add-support-for-ERR-interrupt-on-emulat.patch
pending-5.15/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch
pending-5.15/850-0016-PCI-aardvark-Add-support-for-PME-interrupts.patch
pending-5.15/850-0017-PCI-aardvark-Fix-support-for-PME-requester-on-emulat.patch
pending-5.15/850-0018-PCI-aardvark-Use-separate-INTA-interrupt-for-emulate.patch
pending-5.15/850-0019-PCI-aardvark-Remove-irq_mask_ack-callback-for-INTx-i.patch
pending-5.15/850-0020-PCI-aardvark-Don-t-mask-irq-when-mapping.patch
pending-5.15/850-0021-PCI-aardvark-Drop-__maybe_unused-from-advk_pcie_disa.patch
pending-5.15/850-0022-PCI-aardvark-Update-comment-about-link-going-down-af.patch
All patches automatically rebased.
Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200
Signed-off-by: John Audia <therealgraysky@proton.me>
Diffstat (limited to 'target/linux')
32 files changed, 2 insertions, 1822 deletions
diff --git a/target/linux/generic/backport-5.15/850-v5.17-0001-PCI-pci-bridge-emul-Add-description-for-class_revisi.patch b/target/linux/generic/backport-5.15/850-v5.17-0001-PCI-pci-bridge-emul-Add-description-for-class_revisi.patch deleted file mode 100644 index 19a4be2a9d..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0001-PCI-pci-bridge-emul-Add-description-for-class_revisi.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 9319230ac147067652b58fe849ffe0ceec098665 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:03 +0100 -Subject: [PATCH] PCI: pci-bridge-emul: Add description for class_revision - field -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The current assignment to the class_revision member - - class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI << 16); - -can make the reader think that class is at high 16 bits of the member and -revision at low 16 bits. - -In reality, class is at high 24 bits, but the class for PCI Bridge Normal -Decode is PCI_CLASS_BRIDGE_PCI << 8. - -Change the assignment and add a comment to make this clearer. - -Link: https://lore.kernel.org/r/20211130172913.9727-2-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/pci-bridge-emul.c | 6 +++++- - 1 file changed, 5 insertions(+), 1 deletion(-) - ---- a/drivers/pci/pci-bridge-emul.c -+++ b/drivers/pci/pci-bridge-emul.c -@@ -284,7 +284,11 @@ int pci_bridge_emul_init(struct pci_brid - { - BUILD_BUG_ON(sizeof(bridge->conf) != PCI_BRIDGE_CONF_END); - -- bridge->conf.class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI << 16); -+ /* -+ * class_revision: Class is high 24 bits and revision is low 8 bit of this member, -+ * while class for PCI Bridge Normal Decode has the 24-bit value: PCI_CLASS_BRIDGE_PCI << 8 -+ */ -+ bridge->conf.class_revision |= cpu_to_le32((PCI_CLASS_BRIDGE_PCI << 8) << 8); - bridge->conf.header_type = PCI_HEADER_TYPE_BRIDGE; - bridge->conf.cache_line_size = 0x10; - bridge->conf.status = cpu_to_le16(PCI_STATUS_CAP_LIST); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0002-PCI-pci-bridge-emul-Add-definitions-for-missing-capa.patch b/target/linux/generic/backport-5.15/850-v5.17-0002-PCI-pci-bridge-emul-Add-definitions-for-missing-capa.patch deleted file mode 100644 index 3dd82710e6..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0002-PCI-pci-bridge-emul-Add-definitions-for-missing-capa.patch +++ /dev/null @@ -1,73 +0,0 @@ -From 8ea673a8b30b4a32516b8adabb15e2a68ff02ec8 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:04 +0100 -Subject: [PATCH] PCI: pci-bridge-emul: Add definitions for missing - capabilities registers -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -pci-bridge-emul driver already allocates buffer for capabilities up to the -PCI_EXP_SLTSTA2 register, but does not define bit access behavior for these -registers. Add these missing definitions. - -Link: https://lore.kernel.org/r/20211130172913.9727-3-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/pci-bridge-emul.c | 43 +++++++++++++++++++++++++++++++++++ - 1 file changed, 43 insertions(+) - ---- a/drivers/pci/pci-bridge-emul.c -+++ b/drivers/pci/pci-bridge-emul.c -@@ -270,6 +270,49 @@ struct pci_bridge_reg_behavior pcie_cap_ - .ro = GENMASK(15, 0) | PCI_EXP_RTSTA_PENDING, - .w1c = PCI_EXP_RTSTA_PME, - }, -+ -+ [PCI_EXP_DEVCAP2 / 4] = { -+ /* -+ * Device capabilities 2 register has reserved bits [30:27]. -+ * Also bits [26:24] are reserved for non-upstream ports. -+ */ -+ .ro = BIT(31) | GENMASK(23, 0), -+ }, -+ -+ [PCI_EXP_DEVCTL2 / 4] = { -+ /* -+ * Device control 2 register is RW. Bit 11 is reserved for -+ * non-upstream ports. -+ * -+ * Device status 2 register is reserved. -+ */ -+ .rw = GENMASK(15, 12) | GENMASK(10, 0), -+ }, -+ -+ [PCI_EXP_LNKCAP2 / 4] = { -+ /* Link capabilities 2 register has reserved bits [30:25] and 0. */ -+ .ro = BIT(31) | GENMASK(24, 1), -+ }, -+ -+ [PCI_EXP_LNKCTL2 / 4] = { -+ /* -+ * Link control 2 register is RW. -+ * -+ * Link status 2 register has bits 5, 15 W1C; -+ * bits 10, 11 reserved and others are RO. -+ */ -+ .rw = GENMASK(15, 0), -+ .w1c = (BIT(15) | BIT(5)) << 16, -+ .ro = (GENMASK(14, 12) | GENMASK(9, 6) | GENMASK(4, 0)) << 16, -+ }, -+ -+ [PCI_EXP_SLTCAP2 / 4] = { -+ /* Slot capabilities 2 register is reserved. */ -+ }, -+ -+ [PCI_EXP_SLTCTL2 / 4] = { -+ /* Both Slot control 2 and Slot status 2 registers are reserved. */ -+ }, - }; - - /* diff --git a/target/linux/generic/backport-5.15/850-v5.17-0003-PCI-aardvark-Add-support-for-DEVCAP2-DEVCTL2-LNKCAP2.patch b/target/linux/generic/backport-5.15/850-v5.17-0003-PCI-aardvark-Add-support-for-DEVCAP2-DEVCTL2-LNKCAP2.patch deleted file mode 100644 index 4a5b99bc2a..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0003-PCI-aardvark-Add-support-for-DEVCAP2-DEVCTL2-LNKCAP2.patch +++ /dev/null @@ -1,61 +0,0 @@ -From 1d3e170344dff2cef8827db6c09909b78cbc11d7 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:05 +0100 -Subject: [PATCH] PCI: aardvark: Add support for DEVCAP2, DEVCTL2, LNKCAP2 and - LNKCTL2 registers on emulated bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -PCI aardvark hardware supports access to DEVCAP2, DEVCTL2, LNKCAP2 and -LNKCTL2 configuration registers of PCIe core via PCIE_CORE_PCIEXP_CAP. -Export them via emulated software root bridge. - -Link: https://lore.kernel.org/r/20211130172913.9727-4-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 15 +++++++++++---- - 1 file changed, 11 insertions(+), 4 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -876,8 +876,13 @@ advk_pci_bridge_emul_pcie_conf_read(stru - - case PCI_EXP_DEVCAP: - case PCI_EXP_DEVCTL: -+ case PCI_EXP_DEVCAP2: -+ case PCI_EXP_DEVCTL2: -+ case PCI_EXP_LNKCAP2: -+ case PCI_EXP_LNKCTL2: - *value = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + reg); - return PCI_BRIDGE_EMUL_HANDLED; -+ - default: - return PCI_BRIDGE_EMUL_NOT_HANDLED; - } -@@ -891,10 +896,6 @@ advk_pci_bridge_emul_pcie_conf_write(str - struct advk_pcie *pcie = bridge->data; - - switch (reg) { -- case PCI_EXP_DEVCTL: -- advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg); -- break; -- - case PCI_EXP_LNKCTL: - advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg); - if (new & PCI_EXP_LNKCTL_RL) -@@ -916,6 +917,12 @@ advk_pci_bridge_emul_pcie_conf_write(str - advk_writel(pcie, new, PCIE_ISR0_REG); - break; - -+ case PCI_EXP_DEVCTL: -+ case PCI_EXP_DEVCTL2: -+ case PCI_EXP_LNKCTL2: -+ advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg); -+ break; -+ - default: - break; - } diff --git a/target/linux/generic/backport-5.15/850-v5.17-0004-PCI-aardvark-Clear-all-MSIs-at-setup.patch b/target/linux/generic/backport-5.15/850-v5.17-0004-PCI-aardvark-Clear-all-MSIs-at-setup.patch deleted file mode 100644 index 61dd8b8733..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0004-PCI-aardvark-Clear-all-MSIs-at-setup.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 7d8dc1f7cd007a7ce94c5b4c20d63a8b8d6d7751 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:06 +0100 -Subject: [PATCH] PCI: aardvark: Clear all MSIs at setup -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -We already clear all the other interrupts (ISR0, ISR1, HOST_CTRL_INT). - -Define a new macro PCIE_MSI_ALL_MASK and do the same clearing for MSIs, -to ensure that we don't start receiving spurious interrupts. - -Use this new mask in advk_pcie_handle_msi(); - -Link: https://lore.kernel.org/r/20211130172913.9727-5-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -115,6 +115,7 @@ - #define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54) - #define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58) - #define PCIE_MSI_MASK_REG (CONTROL_BASE_ADDR + 0x5C) -+#define PCIE_MSI_ALL_MASK GENMASK(31, 0) - #define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C) - #define PCIE_MSI_DATA_MASK GENMASK(15, 0) - -@@ -570,6 +571,7 @@ static void advk_pcie_setup_hw(struct ad - advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG); - - /* Clear all interrupts */ -+ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG); - advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG); - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG); - advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); -@@ -582,7 +584,7 @@ static void advk_pcie_setup_hw(struct ad - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG); - - /* Unmask all MSIs */ -- advk_writel(pcie, 0, PCIE_MSI_MASK_REG); -+ advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); - - /* Enable summary interrupt for GIC SPI source */ - reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK); -@@ -1389,7 +1391,7 @@ static void advk_pcie_handle_msi(struct - - msi_mask = advk_readl(pcie, PCIE_MSI_MASK_REG); - msi_val = advk_readl(pcie, PCIE_MSI_STATUS_REG); -- msi_status = msi_val & ~msi_mask; -+ msi_status = msi_val & ((~msi_mask) & PCIE_MSI_ALL_MASK); - - for (msi_idx = 0; msi_idx < MSI_IRQ_NUM; msi_idx++) { - if (!(BIT(msi_idx) & msi_status)) diff --git a/target/linux/generic/backport-5.15/850-v5.17-0005-PCI-aardvark-Comment-actions-in-driver-remove-method.patch b/target/linux/generic/backport-5.15/850-v5.17-0005-PCI-aardvark-Comment-actions-in-driver-remove-method.patch deleted file mode 100644 index a022f3ec6c..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0005-PCI-aardvark-Comment-actions-in-driver-remove-method.patch +++ /dev/null @@ -1,34 +0,0 @@ -From a4ca7948e1d47275f8f3e5023243440c40561916 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:07 +0100 -Subject: [PATCH] PCI: aardvark: Comment actions in driver remove method -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Add two more comments into the advk_pcie_remove() method. - -Link: https://lore.kernel.org/r/20211130172913.9727-6-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1681,11 +1681,13 @@ static int advk_pcie_remove(struct platf - struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie); - int i; - -+ /* Remove PCI bus with all devices */ - pci_lock_rescan_remove(); - pci_stop_root_bus(bridge->bus); - pci_remove_root_bus(bridge->bus); - pci_unlock_rescan_remove(); - -+ /* Remove IRQ domains */ - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); - diff --git a/target/linux/generic/backport-5.15/850-v5.17-0006-PCI-aardvark-Disable-bus-mastering-when-unbinding-dr.patch b/target/linux/generic/backport-5.15/850-v5.17-0006-PCI-aardvark-Disable-bus-mastering-when-unbinding-dr.patch deleted file mode 100644 index 9b8ae26dfe..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0006-PCI-aardvark-Disable-bus-mastering-when-unbinding-dr.patch +++ /dev/null @@ -1,41 +0,0 @@ -From a46f2f6dd4093438d9615dfbf5c0fea2a9835dba Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:08 +0100 -Subject: [PATCH] PCI: aardvark: Disable bus mastering when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Ensure that after driver unbind PCIe cards are not able to forward -memory and I/O requests in the upstream direction. - -Link: https://lore.kernel.org/r/20211130172913.9727-7-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1679,6 +1679,7 @@ static int advk_pcie_remove(struct platf - { - struct advk_pcie *pcie = platform_get_drvdata(pdev); - struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie); -+ u32 val; - int i; - - /* Remove PCI bus with all devices */ -@@ -1687,6 +1688,11 @@ static int advk_pcie_remove(struct platf - pci_remove_root_bus(bridge->bus); - pci_unlock_rescan_remove(); - -+ /* Disable Root Bridge I/O space, memory space and bus mastering */ -+ val = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); -+ val &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); -+ advk_writel(pcie, val, PCIE_CORE_CMD_STATUS_REG); -+ - /* Remove IRQ domains */ - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch b/target/linux/generic/backport-5.15/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch deleted file mode 100644 index 97173ee281..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch +++ /dev/null @@ -1,48 +0,0 @@ -From 13bcdf07cb2ecff5d45d2c141df2539b15211448 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:09 +0100 -Subject: [PATCH] PCI: aardvark: Mask all interrupts when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Ensure that no interrupt can be triggered after driver unbind. - -Link: https://lore.kernel.org/r/20211130172913.9727-8-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 21 +++++++++++++++++++++ - 1 file changed, 21 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1693,6 +1693,27 @@ static int advk_pcie_remove(struct platf - val &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - advk_writel(pcie, val, PCIE_CORE_CMD_STATUS_REG); - -+ /* Disable MSI */ -+ val = advk_readl(pcie, PCIE_CORE_CTRL2_REG); -+ val &= ~PCIE_CORE_CTRL2_MSI_ENABLE; -+ advk_writel(pcie, val, PCIE_CORE_CTRL2_REG); -+ -+ /* Clear MSI address */ -+ advk_writel(pcie, 0, PCIE_MSI_ADDR_LOW_REG); -+ advk_writel(pcie, 0, PCIE_MSI_ADDR_HIGH_REG); -+ -+ /* Mask all interrupts */ -+ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); -+ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_MASK_REG); -+ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG); -+ advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_MASK_REG); -+ -+ /* Clear all interrupts */ -+ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG); -+ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG); -+ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG); -+ advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); -+ - /* Remove IRQ domains */ - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch b/target/linux/generic/backport-5.15/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch deleted file mode 100644 index e8611c82fe..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch +++ /dev/null @@ -1,33 +0,0 @@ -From 2f040a17f5061457ae95035326d3159eddc1e5cc Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:10 +0100 -Subject: [PATCH] PCI: aardvark: Fix memory leak in driver unbind -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Free config space for emulated root bridge when unbinding driver to fix -memory leak. Do it after disabling and masking all interrupts, since -aardvark interrupt handler accesses config space of emulated root -bridge. - -Link: https://lore.kernel.org/r/20211130172913.9727-9-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1718,6 +1718,9 @@ static int advk_pcie_remove(struct platf - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); - -+ /* Free config space for emulated root bridge */ -+ pci_bridge_emul_cleanup(&pcie->bridge); -+ - /* Disable outbound address windows mapping */ - for (i = 0; i < OB_WIN_COUNT; i++) - advk_pcie_disable_ob_win(pcie, i); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch b/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch deleted file mode 100644 index 3e309159d0..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch +++ /dev/null @@ -1,33 +0,0 @@ -From 1f54391be8ce0c981d312cb93acdc5608def576a Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:11 +0100 -Subject: [PATCH] PCI: aardvark: Assert PERST# when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Put the PCIe card into reset by asserting PERST# signal when unbinding -driver. It doesn't make sense to leave the card working if it can't -communicate with the host. This should also save some power. - -Link: https://lore.kernel.org/r/20211130172913.9727-10-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1721,6 +1721,10 @@ static int advk_pcie_remove(struct platf - /* Free config space for emulated root bridge */ - pci_bridge_emul_cleanup(&pcie->bridge); - -+ /* Assert PERST# signal which prepares PCIe card for power down */ -+ if (pcie->reset_gpio) -+ gpiod_set_value_cansleep(pcie->reset_gpio, 1); -+ - /* Disable outbound address windows mapping */ - for (i = 0; i < OB_WIN_COUNT; i++) - advk_pcie_disable_ob_win(pcie, i); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0010-PCI-aardvark-Disable-link-training-when-unbinding-dr.patch b/target/linux/generic/backport-5.15/850-v5.17-0010-PCI-aardvark-Disable-link-training-when-unbinding-dr.patch deleted file mode 100644 index 1a5725121b..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0010-PCI-aardvark-Disable-link-training-when-unbinding-dr.patch +++ /dev/null @@ -1,34 +0,0 @@ -From 759dec2e3dfdbd261c41d2279f04f2351c971a49 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:12 +0100 -Subject: [PATCH] PCI: aardvark: Disable link training when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Disable link training circuit in driver unbind sequence. We want to -leave link training in the same state as it was before the driver was -probed. - -Link: https://lore.kernel.org/r/20211130172913.9727-11-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1725,6 +1725,11 @@ static int advk_pcie_remove(struct platf - if (pcie->reset_gpio) - gpiod_set_value_cansleep(pcie->reset_gpio, 1); - -+ /* Disable link training */ -+ val = advk_readl(pcie, PCIE_CORE_CTRL0_REG); -+ val &= ~LINK_TRAINING_EN; -+ advk_writel(pcie, val, PCIE_CORE_CTRL0_REG); -+ - /* Disable outbound address windows mapping */ - for (i = 0; i < OB_WIN_COUNT; i++) - advk_pcie_disable_ob_win(pcie, i); diff --git a/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch b/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch deleted file mode 100644 index 4a4af186fd..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch +++ /dev/null @@ -1,30 +0,0 @@ -From fdbbe242c15a8f2cd0e3ad8a56cd0a447b771d0d Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:13 +0100 -Subject: [PATCH] PCI: aardvark: Disable common PHY when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Disable the PCIe PHY when unbinding driver. This should save some power. - -Link: https://lore.kernel.org/r/20211130172913.9727-12-kabel@kernel.org -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> ---- - drivers/pci/controller/pci-aardvark.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1734,6 +1734,9 @@ static int advk_pcie_remove(struct platf - for (i = 0; i < OB_WIN_COUNT; i++) - advk_pcie_disable_ob_win(pcie, i); - -+ /* Disable phy */ -+ advk_pcie_disable_phy(pcie); -+ - return 0; - } - diff --git a/target/linux/generic/pending-5.15/850-0001-PCI-aardvark-Replace-custom-PCIE_CORE_INT_-macros-wi.patch b/target/linux/generic/pending-5.15/850-0001-PCI-aardvark-Replace-custom-PCIE_CORE_INT_-macros-wi.patch deleted file mode 100644 index 70f994a5d4..0000000000 --- a/target/linux/generic/pending-5.15/850-0001-PCI-aardvark-Replace-custom-PCIE_CORE_INT_-macros-wi.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 43f3f187e6f62ca40802afe39495c8a3e20b4bfa Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Mon, 10 Jan 2022 01:50:50 +0100 -Subject: [PATCH] PCI: aardvark: Replace custom PCIE_CORE_INT_* macros with - PCI_INTERRUPT_* -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Header file linux/pci.h defines enum pci_interrupt_pin with corresponding -PCI_INTERRUPT_* values. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 6 +----- - 1 file changed, 1 insertion(+), 5 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -38,10 +38,6 @@ - #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN BIT(6) - #define PCIE_CORE_ERR_CAPCTL_ECRC_CHCK BIT(7) - #define PCIE_CORE_ERR_CAPCTL_ECRC_CHCK_RCV BIT(8) --#define PCIE_CORE_INT_A_ASSERT_ENABLE 1 --#define PCIE_CORE_INT_B_ASSERT_ENABLE 2 --#define PCIE_CORE_INT_C_ASSERT_ENABLE 3 --#define PCIE_CORE_INT_D_ASSERT_ENABLE 4 - /* PIO registers base address and register offsets */ - #define PIO_BASE_ADDR 0x4000 - #define PIO_CTRL (PIO_BASE_ADDR + 0x0) -@@ -961,7 +957,7 @@ static int advk_sw_pci_bridge_init(struc - bridge->conf.pref_mem_limit = cpu_to_le16(PCI_PREF_RANGE_TYPE_64); - - /* Support interrupt A for MSI feature */ -- bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE; -+ bridge->conf.intpin = PCI_INTERRUPT_INTA; - - /* Aardvark HW provides PCIe Capability structure in version 2 */ - bridge->pcie_conf.cap = cpu_to_le16(2); diff --git a/target/linux/generic/pending-5.15/850-0004-PCI-aardvark-Rewrite-IRQ-code-to-chained-IRQ-handler.patch b/target/linux/generic/pending-5.15/850-0004-PCI-aardvark-Rewrite-IRQ-code-to-chained-IRQ-handler.patch deleted file mode 100644 index e3eaab61f9..0000000000 --- a/target/linux/generic/pending-5.15/850-0004-PCI-aardvark-Rewrite-IRQ-code-to-chained-IRQ-handler.patch +++ /dev/null @@ -1,125 +0,0 @@ -From 0cd5141d1866afb23286fe90cd846441fe7aeb39 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Sat, 27 Mar 2021 14:44:11 +0100 -Subject: [PATCH] PCI: aardvark: Rewrite IRQ code to chained IRQ handler -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Rewrite the code to use irq_set_chained_handler_and_data() handler with -chained_irq_enter() and chained_irq_exit() processing instead of using -devm_request_irq(). - -advk_pcie_irq_handler() reads IRQ status bits and calls other functions -based on which bits are set. These functions then read its own IRQ status -bits and calls other aardvark functions based on these bits. Finally -generic_handle_domain_irq() with translated linux IRQ numbers are called. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 48 +++++++++++++++------------ - 1 file changed, 26 insertions(+), 22 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -268,6 +268,7 @@ struct advk_pcie { - u32 actions; - } wins[OB_WIN_COUNT]; - u8 wins_count; -+ int irq; - struct irq_domain *irq_domain; - struct irq_chip irq_chip; - raw_spinlock_t irq_lock; -@@ -1432,21 +1433,26 @@ static void advk_pcie_handle_int(struct - } - } - --static irqreturn_t advk_pcie_irq_handler(int irq, void *arg) -+static void advk_pcie_irq_handler(struct irq_desc *desc) - { -- struct advk_pcie *pcie = arg; -- u32 status; -+ struct advk_pcie *pcie = irq_desc_get_handler_data(desc); -+ struct irq_chip *chip = irq_desc_get_chip(desc); -+ u32 val, mask, status; - -- status = advk_readl(pcie, HOST_CTRL_INT_STATUS_REG); -- if (!(status & PCIE_IRQ_CORE_INT)) -- return IRQ_NONE; -+ chained_irq_enter(chip, desc); - -- advk_pcie_handle_int(pcie); -+ val = advk_readl(pcie, HOST_CTRL_INT_STATUS_REG); -+ mask = advk_readl(pcie, HOST_CTRL_INT_MASK_REG); -+ status = val & ((~mask) & PCIE_IRQ_ALL_MASK); - -- /* Clear interrupt */ -- advk_writel(pcie, PCIE_IRQ_CORE_INT, HOST_CTRL_INT_STATUS_REG); -+ if (status & PCIE_IRQ_CORE_INT) { -+ advk_pcie_handle_int(pcie); - -- return IRQ_HANDLED; -+ /* Clear interrupt */ -+ advk_writel(pcie, PCIE_IRQ_CORE_INT, HOST_CTRL_INT_STATUS_REG); -+ } -+ -+ chained_irq_exit(chip, desc); - } - - static void __maybe_unused advk_pcie_disable_phy(struct advk_pcie *pcie) -@@ -1513,7 +1519,7 @@ static int advk_pcie_probe(struct platfo - struct advk_pcie *pcie; - struct pci_host_bridge *bridge; - struct resource_entry *entry; -- int ret, irq; -+ int ret; - - bridge = devm_pci_alloc_host_bridge(dev, sizeof(struct advk_pcie)); - if (!bridge) -@@ -1599,17 +1605,9 @@ static int advk_pcie_probe(struct platfo - if (IS_ERR(pcie->base)) - return PTR_ERR(pcie->base); - -- irq = platform_get_irq(pdev, 0); -- if (irq < 0) -- return irq; -- -- ret = devm_request_irq(dev, irq, advk_pcie_irq_handler, -- IRQF_SHARED | IRQF_NO_THREAD, "advk-pcie", -- pcie); -- if (ret) { -- dev_err(dev, "Failed to register interrupt\n"); -- return ret; -- } -+ pcie->irq = platform_get_irq(pdev, 0); -+ if (pcie->irq < 0) -+ return pcie->irq; - - pcie->reset_gpio = devm_gpiod_get_from_of_node(dev, dev->of_node, - "reset-gpios", 0, -@@ -1658,11 +1656,14 @@ static int advk_pcie_probe(struct platfo - return ret; - } - -+ irq_set_chained_handler_and_data(pcie->irq, advk_pcie_irq_handler, pcie); -+ - bridge->sysdata = pcie; - bridge->ops = &advk_pcie_ops; - - ret = pci_host_probe(bridge); - if (ret < 0) { -+ irq_set_chained_handler_and_data(pcie->irq, NULL, NULL); - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); - return ret; -@@ -1710,6 +1711,9 @@ static int advk_pcie_remove(struct platf - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG); - advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); - -+ /* Remove IRQ handler */ -+ irq_set_chained_handler_and_data(pcie->irq, NULL, NULL); -+ - /* Remove IRQ domains */ - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); diff --git a/target/linux/generic/pending-5.15/850-0005-PCI-aardvark-Check-return-value-of-generic_handle_do.patch b/target/linux/generic/pending-5.15/850-0005-PCI-aardvark-Check-return-value-of-generic_handle_do.patch deleted file mode 100644 index fafcb3da2e..0000000000 --- a/target/linux/generic/pending-5.15/850-0005-PCI-aardvark-Check-return-value-of-generic_handle_do.patch +++ /dev/null @@ -1,31 +0,0 @@ -From 69c1f2c6f45a556361fd8e8d2d4eb20e2c8d3d95 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Thu, 18 Mar 2021 17:04:32 +0100 -Subject: [PATCH] PCI: aardvark: Check return value of - generic_handle_domain_irq() when processing INTx IRQ -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -It is possible that we receive spurious INTx interrupt. Check for the -return value of generic_handle_domain_irq() when processing INTx IRQ. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1429,7 +1429,9 @@ static void advk_pcie_handle_int(struct - advk_writel(pcie, PCIE_ISR1_INTX_ASSERT(i), - PCIE_ISR1_REG); - -- generic_handle_domain_irq(pcie->irq_domain, i); -+ if (generic_handle_domain_irq(pcie->irq_domain, i) == -EINVAL) -+ dev_err_ratelimited(&pcie->pdev->dev, "unexpected INT%c IRQ\n", -+ (char)i + 'A'); - } - } - diff --git a/target/linux/generic/pending-5.15/850-0006-PCI-aardvark-Make-MSI-irq_chip-structures-static-dri.patch b/target/linux/generic/pending-5.15/850-0006-PCI-aardvark-Make-MSI-irq_chip-structures-static-dri.patch deleted file mode 100644 index 070809fa73..0000000000 --- a/target/linux/generic/pending-5.15/850-0006-PCI-aardvark-Make-MSI-irq_chip-structures-static-dri.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 5eb36a6b9508da442aac80f4df23e3951bbfa7aa Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org> -Date: Mon, 10 Jan 2022 00:03:41 +0100 -Subject: [PATCH] PCI: aardvark: Make MSI irq_chip structures static driver - structures -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Marc Zyngier says [1] that we should use struct irq_chip as a global -static struct in the driver. Even though the structure currently -contains a dynamic member (parent_device), Marc says [2] that he plans -to kill it and make the structure completely static. - -Convert Aardvark's priv->msi_bottom_irq_chip and priv->msi_irq_chip to -static driver structure. - -[1] https://lore.kernel.org/linux-pci/877dbcvngf.wl-maz@kernel.org/ -[2] https://lore.kernel.org/linux-pci/874k6gvkhz.wl-maz@kernel.org/ - -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 26 ++++++++++++-------------- - 1 file changed, 12 insertions(+), 14 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -274,8 +274,6 @@ struct advk_pcie { - raw_spinlock_t irq_lock; - struct irq_domain *msi_domain; - struct irq_domain *msi_inner_domain; -- struct irq_chip msi_bottom_irq_chip; -- struct irq_chip msi_irq_chip; - struct msi_domain_info msi_domain_info; - DECLARE_BITMAP(msi_used, MSI_IRQ_NUM); - struct mutex msi_used_lock; -@@ -1194,6 +1192,12 @@ static int advk_msi_set_affinity(struct - return -EINVAL; - } - -+static struct irq_chip advk_msi_bottom_irq_chip = { -+ .name = "MSI", -+ .irq_compose_msi_msg = advk_msi_irq_compose_msi_msg, -+ .irq_set_affinity = advk_msi_set_affinity, -+}; -+ - static int advk_msi_irq_domain_alloc(struct irq_domain *domain, - unsigned int virq, - unsigned int nr_irqs, void *args) -@@ -1210,7 +1214,7 @@ static int advk_msi_irq_domain_alloc(str - - for (i = 0; i < nr_irqs; i++) - irq_domain_set_info(domain, virq + i, hwirq + i, -- &pcie->msi_bottom_irq_chip, -+ &advk_msi_bottom_irq_chip, - domain->host_data, handle_simple_irq, - NULL, NULL); - -@@ -1280,29 +1284,23 @@ static const struct irq_domain_ops advk_ - .xlate = irq_domain_xlate_onecell, - }; - -+static struct irq_chip advk_msi_irq_chip = { -+ .name = "advk-MSI", -+}; -+ - static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) - { - struct device *dev = &pcie->pdev->dev; - struct device_node *node = dev->of_node; -- struct irq_chip *bottom_ic, *msi_ic; - struct msi_domain_info *msi_di; - phys_addr_t msi_msg_phys; - - mutex_init(&pcie->msi_used_lock); - -- bottom_ic = &pcie->msi_bottom_irq_chip; -- -- bottom_ic->name = "MSI"; -- bottom_ic->irq_compose_msi_msg = advk_msi_irq_compose_msi_msg; -- bottom_ic->irq_set_affinity = advk_msi_set_affinity; -- -- msi_ic = &pcie->msi_irq_chip; -- msi_ic->name = "advk-MSI"; -- - msi_di = &pcie->msi_domain_info; - msi_di->flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | - MSI_FLAG_MULTI_PCI_MSI; -- msi_di->chip = msi_ic; -+ msi_di->chip = &advk_msi_irq_chip; - - msi_msg_phys = virt_to_phys(&pcie->msi_msg); - diff --git a/target/linux/generic/pending-5.15/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch b/target/linux/generic/pending-5.15/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch deleted file mode 100644 index 39760b9841..0000000000 --- a/target/linux/generic/pending-5.15/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch +++ /dev/null @@ -1,64 +0,0 @@ -From c092ab8994f1f777054c0179a9deb40b87ee606f Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org> -Date: Mon, 10 Jan 2022 00:10:46 +0100 -Subject: [PATCH] PCI: aardvark: Make msi_domain_info structure a static driver - structure -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Make Aardvark's msi_domain_info structure into a private driver structure. -Domain info is same for every potential instatination of a controller. - -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 16 ++++++++-------- - 1 file changed, 8 insertions(+), 8 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -274,7 +274,6 @@ struct advk_pcie { - raw_spinlock_t irq_lock; - struct irq_domain *msi_domain; - struct irq_domain *msi_inner_domain; -- struct msi_domain_info msi_domain_info; - DECLARE_BITMAP(msi_used, MSI_IRQ_NUM); - struct mutex msi_used_lock; - u16 msi_msg; -@@ -1288,20 +1287,20 @@ static struct irq_chip advk_msi_irq_chip - .name = "advk-MSI", - }; - -+static struct msi_domain_info advk_msi_domain_info = { -+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | -+ MSI_FLAG_MULTI_PCI_MSI, -+ .chip = &advk_msi_irq_chip, -+}; -+ - static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) - { - struct device *dev = &pcie->pdev->dev; - struct device_node *node = dev->of_node; -- struct msi_domain_info *msi_di; - phys_addr_t msi_msg_phys; - - mutex_init(&pcie->msi_used_lock); - -- msi_di = &pcie->msi_domain_info; -- msi_di->flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | -- MSI_FLAG_MULTI_PCI_MSI; -- msi_di->chip = &advk_msi_irq_chip; -- - msi_msg_phys = virt_to_phys(&pcie->msi_msg); - - advk_writel(pcie, lower_32_bits(msi_msg_phys), -@@ -1317,7 +1316,8 @@ static int advk_pcie_init_msi_irq_domain - - pcie->msi_domain = - pci_msi_create_irq_domain(of_node_to_fwnode(node), -- msi_di, pcie->msi_inner_domain); -+ &advk_msi_domain_info, -+ pcie->msi_inner_domain); - if (!pcie->msi_domain) { - irq_domain_remove(pcie->msi_inner_domain); - return -ENOMEM; diff --git a/target/linux/generic/pending-5.15/850-0008-PCI-aardvark-Use-dev_fwnode-instead-of-of_node_to_fw.patch b/target/linux/generic/pending-5.15/850-0008-PCI-aardvark-Use-dev_fwnode-instead-of-of_node_to_fw.patch deleted file mode 100644 index a72114d4d4..0000000000 --- a/target/linux/generic/pending-5.15/850-0008-PCI-aardvark-Use-dev_fwnode-instead-of-of_node_to_fw.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 59029739d42b439628e2f64f3d8f2db9be97deff Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org> -Date: Mon, 10 Jan 2022 00:15:17 +0100 -Subject: [PATCH] PCI: aardvark: Use dev_fwnode() instead of - of_node_to_fwnode(dev->of_node) -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Use simple - dev_fwnode(dev) -instead of - struct device_node *node = dev->of_node; - of_node_to_fwnode(node) -especially since the node variable is not used elsewhere in the function. - -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 3 +-- - 1 file changed, 1 insertion(+), 2 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1296,7 +1296,6 @@ static struct msi_domain_info advk_msi_d - static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) - { - struct device *dev = &pcie->pdev->dev; -- struct device_node *node = dev->of_node; - phys_addr_t msi_msg_phys; - - mutex_init(&pcie->msi_used_lock); -@@ -1315,7 +1314,7 @@ static int advk_pcie_init_msi_irq_domain - return -ENOMEM; - - pcie->msi_domain = -- pci_msi_create_irq_domain(of_node_to_fwnode(node), -+ pci_msi_create_irq_domain(dev_fwnode(dev), - &advk_msi_domain_info, - pcie->msi_inner_domain); - if (!pcie->msi_domain) { diff --git a/target/linux/generic/pending-5.15/850-0009-PCI-aardvark-Refactor-unmasking-summary-MSI-interrup.patch b/target/linux/generic/pending-5.15/850-0009-PCI-aardvark-Refactor-unmasking-summary-MSI-interrup.patch deleted file mode 100644 index 7c36f7d2d6..0000000000 --- a/target/linux/generic/pending-5.15/850-0009-PCI-aardvark-Refactor-unmasking-summary-MSI-interrup.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 98feaf97bc64fc640a6c5b1394cd18fc7cd7dac8 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Sun, 28 Mar 2021 14:34:49 +0200 -Subject: [PATCH] PCI: aardvark: Refactor unmasking summary MSI interrupt -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Refactor the masking of ISR0/1 Sources and unmasking of summary MSI interrupt -so that it corresponds to the comments: -- first mask all ISR0/1 -- then unmask all MSIs -- then unmask summary MSI interrupt - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 10 ++++++---- - 1 file changed, 6 insertions(+), 4 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -571,15 +571,17 @@ static void advk_pcie_setup_hw(struct ad - advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); - - /* Disable All ISR0/1 Sources */ -- reg = PCIE_ISR0_ALL_MASK; -- reg &= ~PCIE_ISR0_MSI_INT_PENDING; -- advk_writel(pcie, reg, PCIE_ISR0_MASK_REG); -- -+ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_MASK_REG); - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG); - - /* Unmask all MSIs */ - advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); - -+ /* Unmask summary MSI interrupt */ -+ reg = advk_readl(pcie, PCIE_ISR0_MASK_REG); -+ reg &= ~PCIE_ISR0_MSI_INT_PENDING; -+ advk_writel(pcie, reg, PCIE_ISR0_MASK_REG); -+ - /* Enable summary interrupt for GIC SPI source */ - reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK); - advk_writel(pcie, reg, HOST_CTRL_INT_MASK_REG); diff --git a/target/linux/generic/pending-5.15/850-0010-PCI-aardvark-Add-support-for-masking-MSI-interrupts.patch b/target/linux/generic/pending-5.15/850-0010-PCI-aardvark-Add-support-for-masking-MSI-interrupts.patch deleted file mode 100644 index 9be37134ce..0000000000 --- a/target/linux/generic/pending-5.15/850-0010-PCI-aardvark-Add-support-for-masking-MSI-interrupts.patch +++ /dev/null @@ -1,117 +0,0 @@ -From 7f353accca6e4a3222991c65b1a6801503973bd3 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Fri, 2 Jul 2021 16:44:10 +0200 -Subject: [PATCH] PCI: aardvark: Add support for masking MSI interrupts -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -We should not unmask MSIs at setup, but only when kernel asks for them -to be unmasked. - -At setup, mask all MSIs, and implement IRQ chip callbacks for masking -and unmasking particular MSIs. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 54 ++++++++++++++++++++++++--- - 1 file changed, 49 insertions(+), 5 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -274,6 +274,7 @@ struct advk_pcie { - raw_spinlock_t irq_lock; - struct irq_domain *msi_domain; - struct irq_domain *msi_inner_domain; -+ raw_spinlock_t msi_irq_lock; - DECLARE_BITMAP(msi_used, MSI_IRQ_NUM); - struct mutex msi_used_lock; - u16 msi_msg; -@@ -570,12 +571,10 @@ static void advk_pcie_setup_hw(struct ad - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG); - advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG); - -- /* Disable All ISR0/1 Sources */ -+ /* Disable All ISR0/1 and MSI Sources */ - advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_MASK_REG); - advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG); -- -- /* Unmask all MSIs */ -- advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); -+ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG); - - /* Unmask summary MSI interrupt */ - reg = advk_readl(pcie, PCIE_ISR0_MASK_REG); -@@ -1193,10 +1192,52 @@ static int advk_msi_set_affinity(struct - return -EINVAL; - } - -+static void advk_msi_irq_mask(struct irq_data *d) -+{ -+ struct advk_pcie *pcie = d->domain->host_data; -+ irq_hw_number_t hwirq = irqd_to_hwirq(d); -+ unsigned long flags; -+ u32 mask; -+ -+ raw_spin_lock_irqsave(&pcie->msi_irq_lock, flags); -+ mask = advk_readl(pcie, PCIE_MSI_MASK_REG); -+ mask |= BIT(hwirq); -+ advk_writel(pcie, mask, PCIE_MSI_MASK_REG); -+ raw_spin_unlock_irqrestore(&pcie->msi_irq_lock, flags); -+} -+ -+static void advk_msi_irq_unmask(struct irq_data *d) -+{ -+ struct advk_pcie *pcie = d->domain->host_data; -+ irq_hw_number_t hwirq = irqd_to_hwirq(d); -+ unsigned long flags; -+ u32 mask; -+ -+ raw_spin_lock_irqsave(&pcie->msi_irq_lock, flags); -+ mask = advk_readl(pcie, PCIE_MSI_MASK_REG); -+ mask &= ~BIT(hwirq); -+ advk_writel(pcie, mask, PCIE_MSI_MASK_REG); -+ raw_spin_unlock_irqrestore(&pcie->msi_irq_lock, flags); -+} -+ -+static void advk_msi_top_irq_mask(struct irq_data *d) -+{ -+ pci_msi_mask_irq(d); -+ irq_chip_mask_parent(d); -+} -+ -+static void advk_msi_top_irq_unmask(struct irq_data *d) -+{ -+ pci_msi_unmask_irq(d); -+ irq_chip_unmask_parent(d); -+} -+ - static struct irq_chip advk_msi_bottom_irq_chip = { - .name = "MSI", - .irq_compose_msi_msg = advk_msi_irq_compose_msi_msg, - .irq_set_affinity = advk_msi_set_affinity, -+ .irq_mask = advk_msi_irq_mask, -+ .irq_unmask = advk_msi_irq_unmask, - }; - - static int advk_msi_irq_domain_alloc(struct irq_domain *domain, -@@ -1286,7 +1327,9 @@ static const struct irq_domain_ops advk_ - }; - - static struct irq_chip advk_msi_irq_chip = { -- .name = "advk-MSI", -+ .name = "advk-MSI", -+ .irq_mask = advk_msi_top_irq_mask, -+ .irq_unmask = advk_msi_top_irq_unmask, - }; - - static struct msi_domain_info advk_msi_domain_info = { -@@ -1300,6 +1343,7 @@ static int advk_pcie_init_msi_irq_domain - struct device *dev = &pcie->pdev->dev; - phys_addr_t msi_msg_phys; - -+ raw_spin_lock_init(&pcie->msi_irq_lock); - mutex_init(&pcie->msi_used_lock); - - msi_msg_phys = virt_to_phys(&pcie->msi_msg); diff --git a/target/linux/generic/pending-5.15/850-0011-PCI-aardvark-Fix-setting-MSI-address.patch b/target/linux/generic/pending-5.15/850-0011-PCI-aardvark-Fix-setting-MSI-address.patch deleted file mode 100644 index ebc700b93d..0000000000 --- a/target/linux/generic/pending-5.15/850-0011-PCI-aardvark-Fix-setting-MSI-address.patch +++ /dev/null @@ -1,91 +0,0 @@ -From fa73c200f181436eab859374657c53a73778d8ad Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Fri, 26 Mar 2021 17:35:44 +0100 -Subject: [PATCH] PCI: aardvark: Fix setting MSI address -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -MSI address for receiving MSI interrupts needs to be correctly set before -enabling processing of MSI interrupts. - -Move code for setting PCIE_MSI_ADDR_LOW_REG and PCIE_MSI_ADDR_HIGH_REG -from advk_pcie_init_msi_irq_domain() to advk_pcie_setup_hw(), before -enabling PCIE_CORE_CTRL2_MSI_ENABLE. - -After this we can remove the now unused member msi_msg, which was used -only for MSI doorbell address. MSI address can be any address which cannot -be used to DMA to. So change it to the address of the main struct advk_pcie. - -Fixes: 8c39d710363c ("PCI: aardvark: Add Aardvark PCI host controller driver") -Signed-off-by: Pali Rohár <pali@kernel.org> -Acked-by: Marc Zyngier <maz@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> -Cc: stable@vger.kernel.org # f21a8b1b6837 ("PCI: aardvark: Move to MSI handling using generic MSI support") ---- - drivers/pci/controller/pci-aardvark.c | 21 +++++++++------------ - 1 file changed, 9 insertions(+), 12 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -277,7 +277,6 @@ struct advk_pcie { - raw_spinlock_t msi_irq_lock; - DECLARE_BITMAP(msi_used, MSI_IRQ_NUM); - struct mutex msi_used_lock; -- u16 msi_msg; - int link_gen; - struct pci_bridge_emul bridge; - struct gpio_desc *reset_gpio; -@@ -472,6 +471,7 @@ static void advk_pcie_disable_ob_win(str - - static void advk_pcie_setup_hw(struct advk_pcie *pcie) - { -+ phys_addr_t msi_addr; - u32 reg; - int i; - -@@ -560,6 +560,11 @@ static void advk_pcie_setup_hw(struct ad - reg |= LANE_COUNT_1; - advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); - -+ /* Set MSI address */ -+ msi_addr = virt_to_phys(pcie); -+ advk_writel(pcie, lower_32_bits(msi_addr), PCIE_MSI_ADDR_LOW_REG); -+ advk_writel(pcie, upper_32_bits(msi_addr), PCIE_MSI_ADDR_HIGH_REG); -+ - /* Enable MSI */ - reg = advk_readl(pcie, PCIE_CORE_CTRL2_REG); - reg |= PCIE_CORE_CTRL2_MSI_ENABLE; -@@ -1179,10 +1184,10 @@ static void advk_msi_irq_compose_msi_msg - struct msi_msg *msg) - { - struct advk_pcie *pcie = irq_data_get_irq_chip_data(data); -- phys_addr_t msi_msg = virt_to_phys(&pcie->msi_msg); -+ phys_addr_t msi_addr = virt_to_phys(pcie); - -- msg->address_lo = lower_32_bits(msi_msg); -- msg->address_hi = upper_32_bits(msi_msg); -+ msg->address_lo = lower_32_bits(msi_addr); -+ msg->address_hi = upper_32_bits(msi_addr); - msg->data = data->hwirq; - } - -@@ -1341,18 +1346,10 @@ static struct msi_domain_info advk_msi_d - static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) - { - struct device *dev = &pcie->pdev->dev; -- phys_addr_t msi_msg_phys; - - raw_spin_lock_init(&pcie->msi_irq_lock); - mutex_init(&pcie->msi_used_lock); - -- msi_msg_phys = virt_to_phys(&pcie->msi_msg); -- -- advk_writel(pcie, lower_32_bits(msi_msg_phys), -- PCIE_MSI_ADDR_LOW_REG); -- advk_writel(pcie, upper_32_bits(msi_msg_phys), -- PCIE_MSI_ADDR_HIGH_REG); -- - pcie->msi_inner_domain = - irq_domain_add_linear(NULL, MSI_IRQ_NUM, - &advk_msi_domain_ops, pcie); diff --git a/target/linux/generic/pending-5.15/850-0012-PCI-aardvark-Enable-MSI-X-support.patch b/target/linux/generic/pending-5.15/850-0012-PCI-aardvark-Enable-MSI-X-support.patch deleted file mode 100644 index eeca51438e..0000000000 --- a/target/linux/generic/pending-5.15/850-0012-PCI-aardvark-Enable-MSI-X-support.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 735a4ac9782b96fbe1543c578aa8334364f21abd Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Fri, 2 Apr 2021 14:05:24 +0200 -Subject: [PATCH] PCI: aardvark: Enable MSI-X support -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -According to PCI 3.0 specification, sending both MSI and MSI-X interrupts -is done by DWORD memory write operation to doorbell message address. The -write operation for MSI has zero upper 16 bits and the MSI interrupt number -in the lower 16 bits, while the write operation for MSI-X contains a 32-bit -value from MSI-X table. - -Since the driver only uses interrupt numbers from range 0..31, the upper -16 bits of the DWORD memory write operation to doorbell message address -are zero even for MSI-X interrupts. Thus we can enable MSI-X interrupts. - -Testing proves that kernel can correctly receive MSI-X interrupts from PCIe -cards which supports both MSI and MSI-X interrupts. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1339,7 +1339,7 @@ static struct irq_chip advk_msi_irq_chip - - static struct msi_domain_info advk_msi_domain_info = { - .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | -- MSI_FLAG_MULTI_PCI_MSI, -+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, - .chip = &advk_msi_irq_chip, - }; - diff --git a/target/linux/generic/pending-5.15/850-0013-PCI-aardvark-Add-support-for-ERR-interrupt-on-emulat.patch b/target/linux/generic/pending-5.15/850-0013-PCI-aardvark-Add-support-for-ERR-interrupt-on-emulat.patch deleted file mode 100644 index 979f00c9a3..0000000000 --- a/target/linux/generic/pending-5.15/850-0013-PCI-aardvark-Add-support-for-ERR-interrupt-on-emulat.patch +++ /dev/null @@ -1,99 +0,0 @@ -From 7f3e55a3890fa26d15e2e4e90213962d1a7f6df9 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Fri, 12 Feb 2021 20:32:55 +0100 -Subject: [PATCH] PCI: aardvark: Add support for ERR interrupt on emulated - bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -ERR interrupt is triggered when corresponding bit is unmasked in both ISR0 -and PCI_EXP_DEVCTL registers. Unmasking ERR bits in PCI_EXP_DEVCTL register -is not enough. This means that currently the ERR interrupt is never -triggered. - -Unmask ERR bits in ISR0 register at driver probe time. ERR interrupt is not -triggered until ERR bits are unmasked also in PCI_EXP_DEVCTL register, -which is done by AER driver. So it is safe to unconditionally unmask all -ERR bits in aardvark probe. - -Aardvark HW sets PCI_ERR_ROOT_AER_IRQ to zero and when corresponding bits -in ISR0 and PCI_EXP_DEVCTL are enabled, the HW triggers a generic interrupt -on GIC. Chain this interrupt to PCIe interrupt 0 with -generic_handle_domain_irq() to allow processing of ERR interrupts. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 36 ++++++++++++++++++++++++++- - 1 file changed, 35 insertions(+), 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -98,6 +98,10 @@ - #define PCIE_MSG_PM_PME_MASK BIT(7) - #define PCIE_ISR0_MASK_REG (CONTROL_BASE_ADDR + 0x44) - #define PCIE_ISR0_MSI_INT_PENDING BIT(24) -+#define PCIE_ISR0_CORR_ERR BIT(11) -+#define PCIE_ISR0_NFAT_ERR BIT(12) -+#define PCIE_ISR0_FAT_ERR BIT(13) -+#define PCIE_ISR0_ERR_MASK GENMASK(13, 11) - #define PCIE_ISR0_INTX_ASSERT(val) BIT(16 + (val)) - #define PCIE_ISR0_INTX_DEASSERT(val) BIT(20 + (val)) - #define PCIE_ISR0_ALL_MASK GENMASK(31, 0) -@@ -778,11 +782,15 @@ advk_pci_bridge_emul_base_conf_read(stru - case PCI_INTERRUPT_LINE: { - /* - * From the whole 32bit register we support reading from HW only -- * one bit: PCI_BRIDGE_CTL_BUS_RESET. -+ * two bits: PCI_BRIDGE_CTL_BUS_RESET and PCI_BRIDGE_CTL_SERR. - * Other bits are retrieved only from emulated config buffer. - */ - __le32 *cfgspace = (__le32 *)&bridge->conf; - u32 val = le32_to_cpu(cfgspace[PCI_INTERRUPT_LINE / 4]); -+ if (advk_readl(pcie, PCIE_ISR0_MASK_REG) & PCIE_ISR0_ERR_MASK) -+ val &= ~(PCI_BRIDGE_CTL_SERR << 16); -+ else -+ val |= PCI_BRIDGE_CTL_SERR << 16; - if (advk_readl(pcie, PCIE_CORE_CTRL1_REG) & HOT_RESET_GEN) - val |= PCI_BRIDGE_CTL_BUS_RESET << 16; - else -@@ -808,6 +816,19 @@ advk_pci_bridge_emul_base_conf_write(str - break; - - case PCI_INTERRUPT_LINE: -+ /* -+ * According to Figure 6-3: Pseudo Logic Diagram for Error -+ * Message Controls in PCIe base specification, SERR# Enable bit -+ * in Bridge Control register enable receiving of ERR_* messages -+ */ -+ if (mask & (PCI_BRIDGE_CTL_SERR << 16)) { -+ u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG); -+ if (new & (PCI_BRIDGE_CTL_SERR << 16)) -+ val &= ~PCIE_ISR0_ERR_MASK; -+ else -+ val |= PCIE_ISR0_ERR_MASK; -+ advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -+ } - if (mask & (PCI_BRIDGE_CTL_BUS_RESET << 16)) { - u32 val = advk_readl(pcie, PCIE_CORE_CTRL1_REG); - if (new & (PCI_BRIDGE_CTL_BUS_RESET << 16)) -@@ -1457,6 +1478,18 @@ static void advk_pcie_handle_int(struct - isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); - isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK); - -+ /* Process ERR interrupt */ -+ if (isr0_status & PCIE_ISR0_ERR_MASK) { -+ advk_writel(pcie, PCIE_ISR0_ERR_MASK, PCIE_ISR0_REG); -+ -+ /* -+ * Aardvark HW returns zero for PCI_ERR_ROOT_AER_IRQ, so use -+ * PCIe interrupt 0 -+ */ -+ if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -+ dev_err_ratelimited(&pcie->pdev->dev, "unhandled ERR IRQ\n"); -+ } -+ - /* Process MSI interrupts */ - if (isr0_status & PCIE_ISR0_MSI_INT_PENDING) - advk_pcie_handle_msi(pcie); diff --git a/target/linux/generic/pending-5.15/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch b/target/linux/generic/pending-5.15/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch deleted file mode 100644 index f988bb3e62..0000000000 --- a/target/linux/generic/pending-5.15/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch +++ /dev/null @@ -1,52 +0,0 @@ -From 3fe0073d116d9902df08761c1cf0d733dd4c38fc Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Wed, 8 Dec 2021 06:03:50 +0100 -Subject: [PATCH] PCI: aardvark: Optimize writing PCI_EXP_RTCTL_PMEIE and - PCI_EXP_RTSTA_PME on emulated bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -To optimize advk_pci_bridge_emul_pcie_conf_write() code, touch -PCIE_ISR0_REG and PCIE_ISR0_MASK_REG registers only when it is really -needed, when processing PCI_EXP_RTCTL_PMEIE and PCI_EXP_RTSTA_PME bits. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 20 +++++++++++--------- - 1 file changed, 11 insertions(+), 9 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -925,19 +925,21 @@ advk_pci_bridge_emul_pcie_conf_write(str - advk_pcie_wait_for_retrain(pcie); - break; - -- case PCI_EXP_RTCTL: { -+ case PCI_EXP_RTCTL: - /* Only mask/unmask PME interrupt */ -- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG) & -- ~PCIE_MSG_PM_PME_MASK; -- if ((new & PCI_EXP_RTCTL_PMEIE) == 0) -- val |= PCIE_MSG_PM_PME_MASK; -- advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -+ if (mask & PCI_EXP_RTCTL_PMEIE) { -+ u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG); -+ if (new & PCI_EXP_RTCTL_PMEIE) -+ val &= ~PCIE_MSG_PM_PME_MASK; -+ else -+ val |= PCIE_MSG_PM_PME_MASK; -+ advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -+ } - break; -- } - - case PCI_EXP_RTSTA: -- new = (new & PCI_EXP_RTSTA_PME) >> 9; -- advk_writel(pcie, new, PCIE_ISR0_REG); -+ if (new & PCI_EXP_RTSTA_PME) -+ advk_writel(pcie, PCIE_MSG_PM_PME_MASK, PCIE_ISR0_REG); - break; - - case PCI_EXP_DEVCTL: diff --git a/target/linux/generic/pending-5.15/850-0016-PCI-aardvark-Add-support-for-PME-interrupts.patch b/target/linux/generic/pending-5.15/850-0016-PCI-aardvark-Add-support-for-PME-interrupts.patch deleted file mode 100644 index 3b4d21ec48..0000000000 --- a/target/linux/generic/pending-5.15/850-0016-PCI-aardvark-Add-support-for-PME-interrupts.patch +++ /dev/null @@ -1,46 +0,0 @@ -From 7acd8ef92e8789e10b5d736d73cea3b625087f26 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Wed, 8 Dec 2021 06:07:44 +0100 -Subject: [PATCH] PCI: aardvark: Add support for PME interrupts -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Currently enabling PCI_EXP_RTSTA_PME bit in PCI_EXP_RTCTL register does -nothing. This is because PCIe PME driver expects to receive PCIe interrupt -defined in PCI_EXP_FLAGS_IRQ register, but aardvark hardware does not -trigger PCIe INTx/MSI interrupt for PME event, rather it triggers custom -aardvark interrupt which this driver is not processing yet. - -Fix this issue by handling PME interrupt in advk_pcie_handle_int() and -chaining it to PCIe interrupt 0 with generic_handle_domain_irq() (since -aardvark sets PCI_EXP_FLAGS_IRQ to zero). With this change PCIe PME driver -finally starts receiving PME interrupt. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 13 +++++++++++++ - 1 file changed, 13 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1480,6 +1480,18 @@ static void advk_pcie_handle_int(struct - isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); - isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK); - -+ /* Process PME interrupt */ -+ if (isr0_status & PCIE_MSG_PM_PME_MASK) { -+ /* -+ * Do not clear PME interrupt bit in ISR0, it is cleared by IRQ -+ * receiver by writing to the PCI_EXP_RTSTA register of emulated -+ * root bridge. Aardvark HW returns zero for PCI_EXP_FLAGS_IRQ, -+ * so use PCIe interrupt 0. -+ */ -+ if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -+ dev_err_ratelimited(&pcie->pdev->dev, "unhandled PME IRQ\n"); -+ } -+ - /* Process ERR interrupt */ - if (isr0_status & PCIE_ISR0_ERR_MASK) { - advk_writel(pcie, PCIE_ISR0_ERR_MASK, PCIE_ISR0_REG); diff --git a/target/linux/generic/pending-5.15/850-0017-PCI-aardvark-Fix-support-for-PME-requester-on-emulat.patch b/target/linux/generic/pending-5.15/850-0017-PCI-aardvark-Fix-support-for-PME-requester-on-emulat.patch deleted file mode 100644 index 2ef9afea5b..0000000000 --- a/target/linux/generic/pending-5.15/850-0017-PCI-aardvark-Fix-support-for-PME-requester-on-emulat.patch +++ /dev/null @@ -1,170 +0,0 @@ -From 68727b545332327b4c2f9c0f8d006be8970e7832 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Fri, 19 Feb 2021 14:22:22 +0100 -Subject: [PATCH] PCI: aardvark: Fix support for PME requester on emulated - bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Enable aardvark PME interrupt unconditionally by unmasking it and read PME -requester ID to emulated bridge config space immediately after receiving -interrupt. - -PME requester ID is stored in the PCIE_MSG_LOG_REG register, which contains -the last inbound message. So when new inbound message is received by HW -(including non-PM), the content in PCIE_MSG_LOG_REG register is replaced by -a new value. - -PCIe specification mandates that subsequent PMEs are kept pending until the -PME Status Register bit is cleared by software by writing a 1b. - -Support for masking/unmasking PME interrupt on emulated bridge via -PCI_EXP_RTCTL_PMEIE bit is now implemented only in emulated bridge config -space, to ensure that we do not miss any aardvark PME interrupt. - -Reading of PCI_EXP_RTCAP and PCI_EXP_RTSTA registers is simplified as final -value is now always stored into emulated bridge config space by the -interrupt handler, so there is no need to implement support for these -registers in read_pcie callback. - -Clearing of W1C bit PCI_EXP_RTSTA_PME is now also simplified as it is done -by pci-bridge-emul.c code for emulated bridge config space. So there is no -need to implement support for clearing this bit in write_pcie callback. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 94 +++++++++++++++------------ - 1 file changed, 52 insertions(+), 42 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -590,6 +590,11 @@ static void advk_pcie_setup_hw(struct ad - reg &= ~PCIE_ISR0_MSI_INT_PENDING; - advk_writel(pcie, reg, PCIE_ISR0_MASK_REG); - -+ /* Unmask PME interrupt for processing of PME requester */ -+ reg = advk_readl(pcie, PCIE_ISR0_MASK_REG); -+ reg &= ~PCIE_MSG_PM_PME_MASK; -+ advk_writel(pcie, reg, PCIE_ISR0_MASK_REG); -+ - /* Enable summary interrupt for GIC SPI source */ - reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK); - advk_writel(pcie, reg, HOST_CTRL_INT_MASK_REG); -@@ -856,22 +861,11 @@ advk_pci_bridge_emul_pcie_conf_read(stru - *value = PCI_EXP_SLTSTA_PDS << 16; - return PCI_BRIDGE_EMUL_HANDLED; - -- case PCI_EXP_RTCTL: { -- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG); -- *value = (val & PCIE_MSG_PM_PME_MASK) ? 0 : PCI_EXP_RTCTL_PMEIE; -- *value |= le16_to_cpu(bridge->pcie_conf.rootctl) & PCI_EXP_RTCTL_CRSSVE; -- *value |= PCI_EXP_RTCAP_CRSVIS << 16; -- return PCI_BRIDGE_EMUL_HANDLED; -- } -- -- case PCI_EXP_RTSTA: { -- u32 isr0 = advk_readl(pcie, PCIE_ISR0_REG); -- u32 msglog = advk_readl(pcie, PCIE_MSG_LOG_REG); -- *value = msglog >> 16; -- if (isr0 & PCIE_MSG_PM_PME_MASK) -- *value |= PCI_EXP_RTSTA_PME; -- return PCI_BRIDGE_EMUL_HANDLED; -- } -+ /* -+ * PCI_EXP_RTCTL and PCI_EXP_RTSTA are also supported, but do not need -+ * to be handled here, because their values are stored in emulated -+ * config space buffer, and we read them from there when needed. -+ */ - - case PCI_EXP_LNKCAP: { - u32 val = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + reg); -@@ -925,22 +919,19 @@ advk_pci_bridge_emul_pcie_conf_write(str - advk_pcie_wait_for_retrain(pcie); - break; - -- case PCI_EXP_RTCTL: -- /* Only mask/unmask PME interrupt */ -- if (mask & PCI_EXP_RTCTL_PMEIE) { -- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG); -- if (new & PCI_EXP_RTCTL_PMEIE) -- val &= ~PCIE_MSG_PM_PME_MASK; -- else -- val |= PCIE_MSG_PM_PME_MASK; -- advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -- } -+ case PCI_EXP_RTCTL: { -+ u16 rootctl = le16_to_cpu(bridge->pcie_conf.rootctl); -+ /* Only emulation of PMEIE and CRSSVE bits is provided */ -+ rootctl &= PCI_EXP_RTCTL_PMEIE | PCI_EXP_RTCTL_CRSSVE; -+ bridge->pcie_conf.rootctl = cpu_to_le16(rootctl); - break; -+ } - -- case PCI_EXP_RTSTA: -- if (new & PCI_EXP_RTSTA_PME) -- advk_writel(pcie, PCIE_MSG_PM_PME_MASK, PCIE_ISR0_REG); -- break; -+ /* -+ * PCI_EXP_RTSTA is also supported, but does not need to be handled -+ * here, because its value is stored in emulated config space buffer, -+ * and we write it there when needed. -+ */ - - case PCI_EXP_DEVCTL: - case PCI_EXP_DEVCTL2: -@@ -1445,6 +1436,32 @@ static void advk_pcie_remove_irq_domain( - irq_domain_remove(pcie->irq_domain); - } - -+static void advk_pcie_handle_pme(struct advk_pcie *pcie) -+{ -+ u32 requester = advk_readl(pcie, PCIE_MSG_LOG_REG) >> 16; -+ -+ advk_writel(pcie, PCIE_MSG_PM_PME_MASK, PCIE_ISR0_REG); -+ -+ /* -+ * PCIE_MSG_LOG_REG contains the last inbound message, so store -+ * the requester ID only when PME was not asserted yet. -+ * Also do not trigger PME interrupt when PME is still asserted. -+ */ -+ if (!(le32_to_cpu(pcie->bridge.pcie_conf.rootsta) & PCI_EXP_RTSTA_PME)) { -+ pcie->bridge.pcie_conf.rootsta = cpu_to_le32(requester | PCI_EXP_RTSTA_PME); -+ -+ /* -+ * Trigger PME interrupt only if PMEIE bit in Root Control is set. -+ * Aardvark HW returns zero for PCI_EXP_FLAGS_IRQ, so use PCIe interrupt 0. -+ */ -+ if (!(le16_to_cpu(pcie->bridge.pcie_conf.rootctl) & PCI_EXP_RTCTL_PMEIE)) -+ return; -+ -+ if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -+ dev_err_ratelimited(&pcie->pdev->dev, "unhandled PME IRQ\n"); -+ } -+} -+ - static void advk_pcie_handle_msi(struct advk_pcie *pcie) - { - u32 msi_val, msi_mask, msi_status, msi_idx; -@@ -1480,17 +1497,9 @@ static void advk_pcie_handle_int(struct - isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); - isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK); - -- /* Process PME interrupt */ -- if (isr0_status & PCIE_MSG_PM_PME_MASK) { -- /* -- * Do not clear PME interrupt bit in ISR0, it is cleared by IRQ -- * receiver by writing to the PCI_EXP_RTSTA register of emulated -- * root bridge. Aardvark HW returns zero for PCI_EXP_FLAGS_IRQ, -- * so use PCIe interrupt 0. -- */ -- if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -- dev_err_ratelimited(&pcie->pdev->dev, "unhandled PME IRQ\n"); -- } -+ /* Process PME interrupt as the first one to do not miss PME requester id */ -+ if (isr0_status & PCIE_MSG_PM_PME_MASK) -+ advk_pcie_handle_pme(pcie); - - /* Process ERR interrupt */ - if (isr0_status & PCIE_ISR0_ERR_MASK) { diff --git a/target/linux/generic/pending-5.15/850-0018-PCI-aardvark-Use-separate-INTA-interrupt-for-emulate.patch b/target/linux/generic/pending-5.15/850-0018-PCI-aardvark-Use-separate-INTA-interrupt-for-emulate.patch deleted file mode 100644 index d30b9bf639..0000000000 --- a/target/linux/generic/pending-5.15/850-0018-PCI-aardvark-Use-separate-INTA-interrupt-for-emulate.patch +++ /dev/null @@ -1,161 +0,0 @@ -From db305233136f5aa2444a8287a279384e8458c458 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Thu, 1 Apr 2021 20:12:48 +0200 -Subject: [PATCH] PCI: aardvark: Use separate INTA interrupt for emulated root - bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Emulated root bridge currently provides only one Legacy INTA interrupt -which is used for reporting PCIe PME and ERR events and handled by kernel -PCIe PME and AER drivers. - -Aardvark HW reports these PME and ERR events separately, so there is no -need to mix real INTA interrupt and emulated INTA interrupt for PCIe PME -and AER drivers. - -Register a new advk-RP (as in Root Port) irq chip and a new irq domain -for emulated root bridge and use this new separate irq domain for -providing INTA interrupt from emulated root bridge for PME and ERR events. - -The real INTA interrupt from real devices is now separate. - -A custom map_irq callback function on PCI host bridge structure is used to -allocate IRQ mapping for emulated root bridge from new irq domain. Original -callback of_irq_parse_and_map_pci() is used for all other devices as before. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 69 ++++++++++++++++++++++++++- - 1 file changed, 67 insertions(+), 2 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -273,6 +273,7 @@ struct advk_pcie { - } wins[OB_WIN_COUNT]; - u8 wins_count; - int irq; -+ struct irq_domain *rp_irq_domain; - struct irq_domain *irq_domain; - struct irq_chip irq_chip; - raw_spinlock_t irq_lock; -@@ -1436,6 +1437,44 @@ static void advk_pcie_remove_irq_domain( - irq_domain_remove(pcie->irq_domain); - } - -+static struct irq_chip advk_rp_irq_chip = { -+ .name = "advk-RP", -+}; -+ -+static int advk_pcie_rp_irq_map(struct irq_domain *h, -+ unsigned int virq, irq_hw_number_t hwirq) -+{ -+ struct advk_pcie *pcie = h->host_data; -+ -+ irq_set_chip_and_handler(virq, &advk_rp_irq_chip, handle_simple_irq); -+ irq_set_chip_data(virq, pcie); -+ -+ return 0; -+} -+ -+static const struct irq_domain_ops advk_pcie_rp_irq_domain_ops = { -+ .map = advk_pcie_rp_irq_map, -+ .xlate = irq_domain_xlate_onecell, -+}; -+ -+static int advk_pcie_init_rp_irq_domain(struct advk_pcie *pcie) -+{ -+ pcie->rp_irq_domain = irq_domain_add_linear(NULL, 1, -+ &advk_pcie_rp_irq_domain_ops, -+ pcie); -+ if (!pcie->rp_irq_domain) { -+ dev_err(&pcie->pdev->dev, "Failed to add Root Port IRQ domain\n"); -+ return -ENOMEM; -+ } -+ -+ return 0; -+} -+ -+static void advk_pcie_remove_rp_irq_domain(struct advk_pcie *pcie) -+{ -+ irq_domain_remove(pcie->rp_irq_domain); -+} -+ - static void advk_pcie_handle_pme(struct advk_pcie *pcie) - { - u32 requester = advk_readl(pcie, PCIE_MSG_LOG_REG) >> 16; -@@ -1457,7 +1496,7 @@ static void advk_pcie_handle_pme(struct - if (!(le16_to_cpu(pcie->bridge.pcie_conf.rootctl) & PCI_EXP_RTCTL_PMEIE)) - return; - -- if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -+ if (generic_handle_domain_irq(pcie->rp_irq_domain, 0) == -EINVAL) - dev_err_ratelimited(&pcie->pdev->dev, "unhandled PME IRQ\n"); - } - } -@@ -1509,7 +1548,7 @@ static void advk_pcie_handle_int(struct - * Aardvark HW returns zero for PCI_ERR_ROOT_AER_IRQ, so use - * PCIe interrupt 0 - */ -- if (generic_handle_domain_irq(pcie->irq_domain, 0) == -EINVAL) -+ if (generic_handle_domain_irq(pcie->rp_irq_domain, 0) == -EINVAL) - dev_err_ratelimited(&pcie->pdev->dev, "unhandled ERR IRQ\n"); - } - -@@ -1553,6 +1592,21 @@ static void advk_pcie_irq_handler(struct - chained_irq_exit(chip, desc); - } - -+static int advk_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -+{ -+ struct advk_pcie *pcie = dev->bus->sysdata; -+ -+ /* -+ * Emulated root bridge has its own emulated irq chip and irq domain. -+ * Argument pin is the INTx pin (1=INTA, 2=INTB, 3=INTC, 4=INTD) and -+ * hwirq for irq_create_mapping() is indexed from zero. -+ */ -+ if (pci_is_root_bus(dev->bus)) -+ return irq_create_mapping(pcie->rp_irq_domain, pin - 1); -+ else -+ return of_irq_parse_and_map_pci(dev, slot, pin); -+} -+ - static void __maybe_unused advk_pcie_disable_phy(struct advk_pcie *pcie) - { - phy_power_off(pcie->phy); -@@ -1754,14 +1808,24 @@ static int advk_pcie_probe(struct platfo - return ret; - } - -+ ret = advk_pcie_init_rp_irq_domain(pcie); -+ if (ret) { -+ dev_err(dev, "Failed to initialize irq\n"); -+ advk_pcie_remove_msi_irq_domain(pcie); -+ advk_pcie_remove_irq_domain(pcie); -+ return ret; -+ } -+ - irq_set_chained_handler_and_data(pcie->irq, advk_pcie_irq_handler, pcie); - - bridge->sysdata = pcie; - bridge->ops = &advk_pcie_ops; -+ bridge->map_irq = advk_pcie_map_irq; - - ret = pci_host_probe(bridge); - if (ret < 0) { - irq_set_chained_handler_and_data(pcie->irq, NULL, NULL); -+ advk_pcie_remove_rp_irq_domain(pcie); - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); - return ret; -@@ -1813,6 +1877,7 @@ static int advk_pcie_remove(struct platf - irq_set_chained_handler_and_data(pcie->irq, NULL, NULL); - - /* Remove IRQ domains */ -+ advk_pcie_remove_rp_irq_domain(pcie); - advk_pcie_remove_msi_irq_domain(pcie); - advk_pcie_remove_irq_domain(pcie); - diff --git a/target/linux/generic/pending-5.15/850-0019-PCI-aardvark-Remove-irq_mask_ack-callback-for-INTx-i.patch b/target/linux/generic/pending-5.15/850-0019-PCI-aardvark-Remove-irq_mask_ack-callback-for-INTx-i.patch deleted file mode 100644 index 49422f4c68..0000000000 --- a/target/linux/generic/pending-5.15/850-0019-PCI-aardvark-Remove-irq_mask_ack-callback-for-INTx-i.patch +++ /dev/null @@ -1,29 +0,0 @@ -From 8c9eef96e24f34ff8b62b230700416b822691a37 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Thu, 1 Apr 2021 14:24:12 +0200 -Subject: [PATCH] PCI: aardvark: Remove irq_mask_ack callback for INTx - interrupts -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Callback for irq_mask_ack is the same as for irq_mask. As there is no -special handling for irq_ack, there is no need to define irq_mask_ack too. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Acked-by: Marc Zyngier <maz@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 1 - - 1 file changed, 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1415,7 +1415,6 @@ static int advk_pcie_init_irq_domain(str - } - - irq_chip->irq_mask = advk_pcie_irq_mask; -- irq_chip->irq_mask_ack = advk_pcie_irq_mask; - irq_chip->irq_unmask = advk_pcie_irq_unmask; - - pcie->irq_domain = diff --git a/target/linux/generic/pending-5.15/850-0020-PCI-aardvark-Don-t-mask-irq-when-mapping.patch b/target/linux/generic/pending-5.15/850-0020-PCI-aardvark-Don-t-mask-irq-when-mapping.patch deleted file mode 100644 index 803441293d..0000000000 --- a/target/linux/generic/pending-5.15/850-0020-PCI-aardvark-Don-t-mask-irq-when-mapping.patch +++ /dev/null @@ -1,27 +0,0 @@ -From dc01fca5a9d9c09ce9a3fb2bc2e7715c37ff3bd9 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Thu, 1 Apr 2021 14:30:06 +0200 -Subject: [PATCH] PCI: aardvark: Don't mask irq when mapping -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -By default, all Legacy INTx interrupts are masked, so there is no need to -mask this interrupt during irq_map callback. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 1 - - 1 file changed, 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1332,7 +1332,6 @@ static int advk_pcie_irq_map(struct irq_ - { - struct advk_pcie *pcie = h->host_data; - -- advk_pcie_irq_mask(irq_get_irq_data(virq)); - irq_set_status_flags(virq, IRQ_LEVEL); - irq_set_chip_and_handler(virq, &pcie->irq_chip, - handle_level_irq); diff --git a/target/linux/generic/pending-5.15/850-0021-PCI-aardvark-Drop-__maybe_unused-from-advk_pcie_disa.patch b/target/linux/generic/pending-5.15/850-0021-PCI-aardvark-Drop-__maybe_unused-from-advk_pcie_disa.patch deleted file mode 100644 index 434ecf8c80..0000000000 --- a/target/linux/generic/pending-5.15/850-0021-PCI-aardvark-Drop-__maybe_unused-from-advk_pcie_disa.patch +++ /dev/null @@ -1,28 +0,0 @@ -From a511c99262ce19ee06908d27212b39ec4c5aeb17 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org> -Date: Wed, 8 Dec 2021 04:40:29 +0100 -Subject: [PATCH] PCI: aardvark: Drop __maybe_unused from - advk_pcie_disable_phy() -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This function is now always used in driver remove method, drop the -__maybe_unused attribute. - -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1605,7 +1605,7 @@ static int advk_pcie_map_irq(const struc - return of_irq_parse_and_map_pci(dev, slot, pin); - } - --static void __maybe_unused advk_pcie_disable_phy(struct advk_pcie *pcie) -+static void advk_pcie_disable_phy(struct advk_pcie *pcie) - { - phy_power_off(pcie->phy); - phy_exit(pcie->phy); diff --git a/target/linux/generic/pending-5.15/850-0022-PCI-aardvark-Update-comment-about-link-going-down-af.patch b/target/linux/generic/pending-5.15/850-0022-PCI-aardvark-Update-comment-about-link-going-down-af.patch deleted file mode 100644 index fc3efac283..0000000000 --- a/target/linux/generic/pending-5.15/850-0022-PCI-aardvark-Update-comment-about-link-going-down-af.patch +++ /dev/null @@ -1,35 +0,0 @@ -From bafda858364003a70b9cda84282f9761587f8033 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org> -Date: Mon, 10 Jan 2022 00:47:38 +0100 -Subject: [PATCH] PCI: aardvark: Update comment about link going down after - link-up -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Update the comment about what happens when link goes down after we have -checked for link-up. If a PIO request is done while link-down, we have -a serious problem. - -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 8 ++++++-- - 1 file changed, 6 insertions(+), 2 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -998,8 +998,12 @@ static bool advk_pcie_valid_device(struc - return false; - - /* -- * If the link goes down after we check for link-up, nothing bad -- * happens but the config access times out. -+ * If the link goes down after we check for link-up, we have a problem: -+ * if a PIO request is executed while link-down, the whole controller -+ * gets stuck in a non-functional state, and even after link comes up -+ * again, PIO requests won't work anymore, and a reset of the whole PCIe -+ * controller is needed. Therefore we need to prevent sending PIO -+ * requests while the link is down. - */ - if (!pci_is_root_bus(bus) && !advk_pcie_link_up(pcie)) - return false; diff --git a/target/linux/generic/pending-5.15/851-0006-Revert-PCI-aardvark-Fix-initialization-with-old-Marv.patch b/target/linux/generic/pending-5.15/851-0006-Revert-PCI-aardvark-Fix-initialization-with-old-Marv.patch index 8fee4d49de..3ac9269812 100644 --- a/target/linux/generic/pending-5.15/851-0006-Revert-PCI-aardvark-Fix-initialization-with-old-Marv.patch +++ b/target/linux/generic/pending-5.15/851-0006-Revert-PCI-aardvark-Fix-initialization-with-old-Marv.patch @@ -23,7 +23,7 @@ Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c -@@ -1622,9 +1622,7 @@ static int advk_pcie_enable_phy(struct a +@@ -1634,9 +1634,7 @@ static int advk_pcie_enable_phy(struct a } ret = phy_power_on(pcie->phy); diff --git a/target/linux/ipq40xx/patches-5.15/400-mmc-sdhci-sdhci-msm-use-sdhci_set_clock-instead-of-s.patch b/target/linux/ipq40xx/patches-5.15/400-mmc-sdhci-sdhci-msm-use-sdhci_set_clock-instead-of-s.patch index 843291e871..23fef71b2b 100644 --- a/target/linux/ipq40xx/patches-5.15/400-mmc-sdhci-sdhci-msm-use-sdhci_set_clock-instead-of-s.patch +++ b/target/linux/ipq40xx/patches-5.15/400-mmc-sdhci-sdhci-msm-use-sdhci_set_clock-instead-of-s.patch @@ -13,7 +13,7 @@ Signed-off-by: Robert Marko <robert.marko@sartura.hr> --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c -@@ -2445,7 +2445,7 @@ MODULE_DEVICE_TABLE(of, sdhci_msm_dt_mat +@@ -2446,7 +2446,7 @@ MODULE_DEVICE_TABLE(of, sdhci_msm_dt_mat static const struct sdhci_ops sdhci_msm_ops = { .reset = sdhci_msm_reset, |