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author | Marek Behún <kabel@kernel.org> | 2022-01-10 02:12:45 +0100 |
---|---|---|
committer | Christian Lamparter <chunkeey@gmail.com> | 2022-01-15 17:26:55 +0100 |
commit | 080691d7b1af67205081dff5a7fc4a988e080981 (patch) | |
tree | 992b0fe2b9b326304a196a4528dea166a5f92630 /target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch | |
parent | 612e1c68016495d69dc87eac5c1b1c845532d2a7 (diff) | |
download | upstream-080691d7b1af67205081dff5a7fc4a988e080981.tar.gz upstream-080691d7b1af67205081dff5a7fc4a988e080981.tar.bz2 upstream-080691d7b1af67205081dff5a7fc4a988e080981.zip |
kernel: 5.10: Backport pending pci-aardvark changes fixing MSI support
Backport Aardvark PCIe controller driver changes that fix MSI support,
that were recently sent to the linux-pci mailing list [1].
These changes fix MSI and MSI-X support for this PCIe controller, which,
among other things, make it possible to use NVMe drives with this PCIe
controllers.
[1] https://lore.kernel.org/linux-pci/20220110015018.26359-1-kabel@kernel.org/
Signed-off-by: Marek Behún <kabel@kernel.org>
Diffstat (limited to 'target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch')
-rw-r--r-- | target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch b/target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch new file mode 100644 index 0000000000..e388bc2ea7 --- /dev/null +++ b/target/linux/generic/pending-5.10/850-0007-PCI-aardvark-Make-msi_domain_info-structure-a-static.patch @@ -0,0 +1,69 @@ +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(-) + +diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c +index c7bd6b123857..b5e5c922ad0d 100644 +--- a/drivers/pci/controller/pci-aardvark.c ++++ b/drivers/pci/controller/pci-aardvark.c +@@ -281,7 +281,6 @@ 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; +@@ -1291,20 +1290,20 @@ 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), +@@ -1320,7 +1319,8 @@ static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie) + + 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; +-- +2.34.1 + |