diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/generic/backport-5.10/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch b/target/linux/generic/backport-5.10/850-v5.17-0007-PCI-aardvark-Mask-all-interrupts-when-unbinding-driv.patch deleted file mode 100644 index 05d350e922..0000000000 --- a/target/linux/generic/backport-5.10/850-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 -@@ -1704,6 +1704,27 @@ 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); |