layerscape: add patches-5.4

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 812-pcie-0015-PCI-ls_gen4-WA-for-SERROR.patch

diff --git a/target/linux/layerscape/patches-5.4/812-pcie-0015-PCI-ls_gen4-WA-for-SERROR.patch b/target/linux/layerscape/patches-5.4/812-pcie-0015-PCI-ls_gen4-WA-for-SERROR.patch
new file mode 100644 (file)
index 0000000..77d837d
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/812-pcie-0015-PCI-ls_gen4-WA-for-SERROR.patch
@@ -0,0 +1,28 @@
+From 76b810d5fc0cf60e4c98c135011730f84ebe448d Mon Sep 17 00:00:00 2001
+From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
+Date: Tue, 28 May 2019 11:17:35 +0800
+Subject: [PATCH] PCI: ls_gen4: WA for SERROR
+
+Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
+---
+ drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c
++++ b/drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c
+@@ -242,13 +242,13 @@ static int ls_pcie_g4_read_other_conf(st
+       struct ls_pcie_g4 *pcie = to_ls_pcie_g4(pci);
+       int ret;
+ 
+-      if (pcie->rev == REV_1_0 && where == PCI_VENDOR_ID)
++      if (pcie->rev == REV_1_0)
+               ls_pcie_g4_lut_writel(pcie, PCIE_LUT_GCR,
+                                     0 << PCIE_LUT_GCR_RRE);
+ 
+       ret = pci_generic_config_read(bus, devfn, where, size, val);
+ 
+-      if (pcie->rev == REV_1_0 && where == PCI_VENDOR_ID)
++      if (pcie->rev == REV_1_0)
+               ls_pcie_g4_lut_writel(pcie, PCIE_LUT_GCR,
+                                     1 << PCIE_LUT_GCR_RRE);
+