diff options
10 files changed, 150 insertions, 18 deletions
diff --git a/target/linux/generic/backport-5.10/820-v5.13-make-pci_host_common_probe-declare-its-reliance-on-msi-domains.patch b/target/linux/generic/backport-5.10/820-v5.13-make-pci_host_common_probe-declare-its-reliance-on-msi-domains.patch new file mode 100644 index 0000000000..8ca2b78f74 --- /dev/null +++ b/target/linux/generic/backport-5.10/820-v5.13-make-pci_host_common_probe-declare-its-reliance-on-msi-domains.patch @@ -0,0 +1,34 @@ +From 9ec37efb87832b578d7972fc80b04d94f5d2bbe3 Mon Sep 17 00:00:00 2001 +From: Marc Zyngier <maz@kernel.org> +Date: Tue, 30 Mar 2021 16:11:42 +0100 +Subject: PCI/MSI: Make pci_host_common_probe() declare its reliance on MSI + domains + +The generic PCI host driver relies on MSI domains for MSIs to +be provided to its end-points. Make this dependency explicit. + +This cures the warnings occuring on arm/arm64 VMs when booted +with PCI virtio devices and no MSI controller (no GICv3 ITS, +for example). + +It is likely that other drivers will need to express the same +dependency. + +Link: https://lore.kernel.org/r/20210330151145.997953-12-maz@kernel.org +Signed-off-by: Marc Zyngier <maz@kernel.org> +Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +Acked-by: Bjorn Helgaas <bhelgaas@google.com> +--- + drivers/pci/controller/pci-host-common.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/pci/controller/pci-host-common.c ++++ b/drivers/pci/controller/pci-host-common.c +@@ -77,6 +77,7 @@ int pci_host_common_probe(struct platfor + + bridge->sysdata = cfg; + bridge->ops = (struct pci_ops *)&ops->pci_ops; ++ bridge->msi_domain = true; + + platform_set_drvdata(pdev, bridge); + diff --git a/target/linux/generic/backport-5.10/821-v5.13-let-pci-host-bridges-declar-their-reliance-on-msi-domains.patch b/target/linux/generic/backport-5.10/821-v5.13-let-pci-host-bridges-declar-their-reliance-on-msi-domains.patch new file mode 100644 index 0000000000..9cf63af333 --- /dev/null +++ b/target/linux/generic/backport-5.10/821-v5.13-let-pci-host-bridges-declar-their-reliance-on-msi-domains.patch @@ -0,0 +1,44 @@ +From 94e89b145371b68fa0ea294855adebcd03e0522e Mon Sep 17 00:00:00 2001 +From: Marc Zyngier <maz@kernel.org> +Date: Tue, 30 Mar 2021 16:11:41 +0100 +Subject: PCI/MSI: Let PCI host bridges declare their reliance on MSI domains + +There is a whole class of host bridges that cannot know whether +MSIs will be provided or not, as they rely on other blocks +to provide the MSI functionnality, using MSI domains. This is +the case for example on systems that use the ARM GIC architecture. + +Introduce a new attribute ('msi_domain') indicating that implicit +dependency, and use this property to set the NO_MSI flag when +no MSI domain is found at probe time. + +Link: https://lore.kernel.org/r/20210330151145.997953-11-maz@kernel.org +Signed-off-by: Marc Zyngier <maz@kernel.org> +Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +Acked-by: Bjorn Helgaas <bhelgaas@google.com> +--- + drivers/pci/probe.c | 2 ++ + include/linux/pci.h | 1 + + 2 files changed, 3 insertions(+) + +--- a/drivers/pci/probe.c ++++ b/drivers/pci/probe.c +@@ -925,6 +925,8 @@ static int pci_register_host_bridge(stru + device_enable_async_suspend(bus->bridge); + pci_set_bus_of_node(bus); + pci_set_bus_msi_domain(bus); ++ if (bridge->msi_domain && !dev_get_msi_domain(&bus->dev)) ++ bus->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + + if (!parent) + set_dev_node(bus->bridge, pcibus_to_node(bus)); +--- a/include/linux/pci.h ++++ b/include/linux/pci.h +@@ -545,6 +545,7 @@ struct pci_host_bridge { + unsigned int native_dpc:1; /* OS may use PCIe DPC */ + unsigned int preserve_config:1; /* Preserve FW resource setup */ + unsigned int size_windows:1; /* Enable root bus sizing */ ++ unsigned int msi_domain:1; /* Bridge wants MSI domain */ + + /* Resource alignment requirements */ + resource_size_t (*align_resource)(struct pci_dev *dev, diff --git a/target/linux/generic/backport-5.10/822-v5.13-advertise-lack-of-built-in-msi-handling.patch b/target/linux/generic/backport-5.10/822-v5.13-advertise-lack-of-built-in-msi-handling.patch new file mode 100644 index 0000000000..c11aedd814 --- /dev/null +++ b/target/linux/generic/backport-5.10/822-v5.13-advertise-lack-of-built-in-msi-handling.patch @@ -0,0 +1,59 @@ +From 645e9c38383d7fcde2784ee537fa18ec9bed54d9 Mon Sep 17 00:00:00 2001 +From: Thomas Gleixner <tglx@linutronix.de> +Date: Tue, 30 Mar 2021 16:11:43 +0100 +Subject: PCI: mediatek: Advertise lack of built-in MSI handling + +Some Mediatek host bridges cannot handle MSIs, which is sad. +This also results in an ugly warning at device probe time, +as the core PCI code wasn't told that MSIs were not available. + +Advertise this fact to the rest of the core PCI code by +using the 'msi_domain' attribute, which still opens the possibility +for another block to provide the MSI functionnality. + +[maz: commit message, switched over to msi_domain attribute] + +Link: https://lore.kernel.org/r/20210330151145.997953-13-maz@kernel.org +Reported-by: Frank Wunderlich <frank-w@public-files.de> +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +Signed-off-by: Marc Zyngier <maz@kernel.org> +Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +Acked-by: Bjorn Helgaas <bhelgaas@google.com> +--- + drivers/pci/controller/pcie-mediatek.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/pci/controller/pcie-mediatek.c ++++ b/drivers/pci/controller/pcie-mediatek.c +@@ -143,6 +143,7 @@ struct mtk_pcie_port; + * struct mtk_pcie_soc - differentiate between host generations + * @need_fix_class_id: whether this host's class ID needed to be fixed or not + * @need_fix_device_id: whether this host's device ID needed to be fixed or not ++ * @no_msi: Bridge has no MSI support, and relies on an external block + * @device_id: device ID which this host need to be fixed + * @ops: pointer to configuration access functions + * @startup: pointer to controller setting functions +@@ -151,6 +152,7 @@ struct mtk_pcie_port; + struct mtk_pcie_soc { + bool need_fix_class_id; + bool need_fix_device_id; ++ bool no_msi; + unsigned int device_id; + struct pci_ops *ops; + int (*startup)(struct mtk_pcie_port *port); +@@ -1087,6 +1089,7 @@ static int mtk_pcie_probe(struct platfor + + host->ops = pcie->soc->ops; + host->sysdata = pcie; ++ host->msi_domain = pcie->soc->no_msi; + + err = pci_host_probe(host); + if (err) +@@ -1176,6 +1179,7 @@ static const struct dev_pm_ops mtk_pcie_ + }; + + static const struct mtk_pcie_soc mtk_pcie_soc_v1 = { ++ .no_msi = true, + .ops = &mtk_pcie_ops, + .startup = mtk_pcie_startup_port, + }; diff --git a/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch b/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch index a7ac93a208..7a1462fc92 100644 --- a/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch +++ b/target/linux/mediatek/patches-5.10/000-spi-fix-fifo.patch @@ -18,11 +18,9 @@ Signed-off-by: Mark Brown <broonie@kernel.org> drivers/spi/spi-mt65xx.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) -diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c -index 976f73b9e2998..8d5fa7f1e5069 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c -@@ -427,13 +427,23 @@ static int mtk_spi_fifo_transfer(struct spi_master *master, +@@ -434,13 +434,23 @@ static int mtk_spi_fifo_transfer(struct mtk_spi_setup_packet(master); cnt = xfer->len / 4; @@ -49,6 +47,3 @@ index 976f73b9e2998..8d5fa7f1e5069 100644 } mtk_spi_enable_transfer(master); --- -cgit 1.2.3-1.el7 - diff --git a/target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch b/target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch index 504c602c50..699870fbd6 100644 --- a/target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch +++ b/target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch @@ -815,7 +815,7 @@ static int spinand_read_reg_op(struct spinand_device *spinand, u8 reg, u8 *val) { -@@ -1139,6 +1140,8 @@ static int spinand_probe(struct spi_mem +@@ -1140,6 +1141,8 @@ static int spinand_probe(struct spi_mem if (ret) return ret; @@ -824,7 +824,7 @@ ret = mtd_device_register(mtd, NULL, 0); if (ret) goto err_spinand_cleanup; -@@ -1164,6 +1167,7 @@ static int spinand_remove(struct spi_mem +@@ -1165,6 +1168,7 @@ static int spinand_remove(struct spi_mem if (ret) return ret; diff --git a/target/linux/mediatek/patches-5.10/510-net-mediatek-add-flow-offload-for-mt7623.patch b/target/linux/mediatek/patches-5.10/510-net-mediatek-add-flow-offload-for-mt7623.patch index 27bc1a60b2..7585d6cf18 100644 --- a/target/linux/mediatek/patches-5.10/510-net-mediatek-add-flow-offload-for-mt7623.patch +++ b/target/linux/mediatek/patches-5.10/510-net-mediatek-add-flow-offload-for-mt7623.patch @@ -14,7 +14,7 @@ Signed-off-by: Frank Wunderlich <frank-w@public-files.de> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -3272,6 +3272,7 @@ static const struct mtk_soc_data mt7623_ +@@ -3274,6 +3274,7 @@ static const struct mtk_soc_data mt7623_ .hw_features = MTK_HW_FEATURES, .required_clks = MT7623_CLKS_BITMAP, .required_pctl = true, diff --git a/target/linux/mediatek/patches-5.10/601-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch b/target/linux/mediatek/patches-5.10/601-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch index 9c18565319..fea9486d30 100644 --- a/target/linux/mediatek/patches-5.10/601-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch +++ b/target/linux/mediatek/patches-5.10/601-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch @@ -150,7 +150,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> #include <linux/reset.h> #include "../pci.h" -@@ -205,6 +207,7 @@ struct mtk_pcie_port { +@@ -207,6 +209,7 @@ struct mtk_pcie_port { * struct mtk_pcie - PCIe host information * @dev: pointer to PCIe device * @base: IO mapped register base @@ -158,7 +158,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> * @free_ck: free-run reference clock * @mem: non-prefetchable memory resource * @ports: pointer to PCIe port information -@@ -213,6 +216,7 @@ struct mtk_pcie_port { +@@ -215,6 +218,7 @@ struct mtk_pcie_port { struct mtk_pcie { struct device *dev; void __iomem *base; @@ -166,7 +166,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> struct clk *free_ck; struct list_head ports; -@@ -648,7 +652,7 @@ static int mtk_pcie_setup_irq(struct mtk +@@ -650,7 +654,7 @@ static int mtk_pcie_setup_irq(struct mtk return err; } @@ -175,7 +175,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> if (port->irq < 0) return port->irq; -@@ -674,12 +678,11 @@ static int mtk_pcie_startup_port_v2(stru +@@ -676,12 +680,11 @@ static int mtk_pcie_startup_port_v2(stru if (!mem) return -EINVAL; @@ -193,7 +193,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> } /* Assert all reset signals */ -@@ -983,6 +986,7 @@ static int mtk_pcie_subsys_powerup(struc +@@ -985,6 +988,7 @@ static int mtk_pcie_subsys_powerup(struc struct device *dev = pcie->dev; struct platform_device *pdev = to_platform_device(dev); struct resource *regs; @@ -201,7 +201,7 @@ Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com> int err; /* get shared registers, which are optional */ -@@ -995,6 +999,13 @@ static int mtk_pcie_subsys_powerup(struc +@@ -997,6 +1001,13 @@ static int mtk_pcie_subsys_powerup(struc } } diff --git a/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch b/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch index 7b74a8ac73..031582a788 100644 --- a/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch +++ b/target/linux/mediatek/patches-5.10/610-pcie-mediatek-fix-clearing-interrupt-status.patch @@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c -@@ -613,10 +613,10 @@ static void mtk_pcie_intr_handler(struct +@@ -615,10 +615,10 @@ static void mtk_pcie_intr_handler(struct if (status & INTX_MASK) { for_each_set_bit_from(bit, &status, PCI_NUM_INTX + INTX_SHIFT) { /* Clear the INTx */ diff --git a/target/linux/mediatek/patches-5.10/700-net-ethernet-mtk_eth_soc-add-support-for-coherent-DM.patch b/target/linux/mediatek/patches-5.10/700-net-ethernet-mtk_eth_soc-add-support-for-coherent-DM.patch index e131bfdf17..529a252d3b 100644 --- a/target/linux/mediatek/patches-5.10/700-net-ethernet-mtk_eth_soc-add-support-for-coherent-DM.patch +++ b/target/linux/mediatek/patches-5.10/700-net-ethernet-mtk_eth_soc-add-support-for-coherent-DM.patch @@ -51,7 +51,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { ret = device_reset(eth->dev); if (ret) { -@@ -3074,6 +3082,16 @@ static int mtk_probe(struct platform_dev +@@ -3076,6 +3084,16 @@ static int mtk_probe(struct platform_dev } } diff --git a/target/linux/mediatek/patches-5.10/710-pci-pcie-mediatek-add-support-for-coherent-DMA.patch b/target/linux/mediatek/patches-5.10/710-pci-pcie-mediatek-add-support-for-coherent-DMA.patch index e3800bdf9d..71ed18e1ab 100644 --- a/target/linux/mediatek/patches-5.10/710-pci-pcie-mediatek-add-support-for-coherent-DMA.patch +++ b/target/linux/mediatek/patches-5.10/710-pci-pcie-mediatek-add-support-for-coherent-DMA.patch @@ -78,7 +78,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> struct mtk_pcie_port; /** -@@ -1040,6 +1046,27 @@ static int mtk_pcie_setup(struct mtk_pci +@@ -1042,6 +1048,27 @@ static int mtk_pcie_setup(struct mtk_pci struct mtk_pcie_port *port, *tmp; int err; |