diff options
Diffstat (limited to 'sys-kernel/armv8multi-sources/files/0008-fix-pci-aardvark-disable-LOS-state-by-default.patch')
| -rw-r--r-- | sys-kernel/armv8multi-sources/files/0008-fix-pci-aardvark-disable-LOS-state-by-default.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sys-kernel/armv8multi-sources/files/0008-fix-pci-aardvark-disable-LOS-state-by-default.patch b/sys-kernel/armv8multi-sources/files/0008-fix-pci-aardvark-disable-LOS-state-by-default.patch new file mode 100644 index 0000000..6872729 --- /dev/null +++ b/sys-kernel/armv8multi-sources/files/0008-fix-pci-aardvark-disable-LOS-state-by-default.patch @@ -0,0 +1,35 @@ +From 52379b49d90411385ae548d6d4304bf6722dc184 Mon Sep 17 00:00:00 2001 +From: Victor Gu <xigu@marvell.com> +Date: Wed, 29 Mar 2017 15:17:03 +0800 +Subject: [PATCH 08/14] fix: pci: aardvark: disable LOS state by default + +Some PCIe devices do not support LOS, there will be time out issue +if the RC forces the LOS state. +This patch disables the LOS state by default. + +Change-Id: I88a6a5cf58ea5f2df234c99050ce041987cdabc6 +Signed-off-by: Victor Gu <xigu@marvell.com> +Reviewed-on: http://vgitil04.il.marvell.com:8080/38119 +Tested-by: iSoC Platform CI <ykjenk@marvell.com> +Reviewed-by: Evan Wang <xswang@marvell.com> +--- + drivers/pci/host/pci-aardvark.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c +index fe94d064483b..b43351a6b6ce 100644 +--- a/drivers/pci/host/pci-aardvark.c ++++ b/drivers/pci/host/pci-aardvark.c +@@ -365,8 +365,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) + + advk_pcie_wait_for_link(pcie); + +- reg = PCIE_CORE_LINK_L0S_ENTRY | +- (1 << PCIE_CORE_LINK_WIDTH_SHIFT); ++ reg = (1 << PCIE_CORE_LINK_WIDTH_SHIFT); + advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG); + + reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); +-- +2.15.0 + |