diff options
Diffstat (limited to 'arm64-tegra-fix-pcie.patch')
| -rw-r--r-- | arm64-tegra-fix-pcie.patch | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arm64-tegra-fix-pcie.patch b/arm64-tegra-fix-pcie.patch deleted file mode 100644 index 3e93a913c..000000000 --- a/arm64-tegra-fix-pcie.patch +++ /dev/null @@ -1,101 +0,0 @@ -From 5fc5158c547fc3a2b46cbc6f73b926d8b78cd6e2 Mon Sep 17 00:00:00 2001 -From: "Signed-off-by: Jon Hunter" <jonathanh@nvidia.com> -Date: Fri, 14 Feb 2020 13:53:53 +0000 -Subject: [PATCH] ARM64: tegra: Fix Tegra194 PCIe compatible string - -If the kernel configuration option CONFIG_PCIE_DW_PLAT_HOST is enabled -then this can cause the kernel to incorrectly probe the generic -designware PCIe platform driver instead of the Tegra194 designware PCIe -driver. This causes a boot failure on Tegra194 because the necessary -configuration to access the hardware is not performed. - -The order in which the compatible strings are populated in Device-Tree -is not relevant in this case, because the kernel will attempt to probe -the device as soon as a driver is loaded and if the generic designware -PCIe driver is loaded first, then this driver will be probed first. -Therefore, to fix this problem, remove the "snps,dw-pcie" string from -the compatible string as we never want this driver to be probe on -Tegra194. - -Fixes: 2602c32f15e7 ("arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT") - -Signed-off-by: Jon Hunter <jonathanh@nvidia.com> ---- - .../devicetree/bindings/pci/nvidia,tegra194-pcie.txt | 2 +- - arch/arm64/boot/dts/nvidia/tegra194.dtsi | 12 ++++++------ - 2 files changed, 7 insertions(+), 7 deletions(-) - -diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt -index b739f92da58e..1f90eb39870b 100644 ---- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt -+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt -@@ -118,7 +118,7 @@ Tegra194: - -------- - - pcie@14180000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>; - reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x38000000 0x0 0x00040000 /* configuration space (256K) */ -diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi -index ccac43be12ac..4c58cb10fb9c 100644 ---- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi -+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi -@@ -1208,7 +1208,7 @@ sor3: sor@15bc0000 { - }; - - pcie@14100000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; - reg = <0x00 0x14100000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x30000000 0x0 0x00040000 /* configuration space (256K) */ -@@ -1253,7 +1253,7 @@ pcie@14100000 { - }; - - pcie@14120000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; - reg = <0x00 0x14120000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x32000000 0x0 0x00040000 /* configuration space (256K) */ -@@ -1298,7 +1298,7 @@ pcie@14120000 { - }; - - pcie@14140000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>; - reg = <0x00 0x14140000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x34000000 0x0 0x00040000 /* configuration space (256K) */ -@@ -1343,7 +1343,7 @@ pcie@14140000 { - }; - - pcie@14160000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>; - reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x36000000 0x0 0x00040000 /* configuration space (256K) */ -@@ -1388,7 +1388,7 @@ pcie@14160000 { - }; - - pcie@14180000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>; - reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x38000000 0x0 0x00040000 /* configuration space (256K) */ -@@ -1433,7 +1433,7 @@ pcie@14180000 { - }; - - pcie@141a0000 { -- compatible = "nvidia,tegra194-pcie", "snps,dw-pcie"; -+ compatible = "nvidia,tegra194-pcie"; - power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>; - reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */ - 0x00 0x3a000000 0x0 0x00040000 /* configuration space (256K) */ --- -2.24.1 - |