diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch b/target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch new file mode 100644 index 0000000000..be91046ac1 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch @@ -0,0 +1,38 @@ +From 2f3ea65dc8909cbf4116bd74b3dea8d25749508f Mon Sep 17 00:00:00 2001 +From: Zhao Qiang <qiang.zhao@nxp.com> +Date: Wed, 23 Nov 2016 11:29:45 +0800 +Subject: [PATCH 235/238] pci/layerscape: fix pci lut offset issue + +Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> +--- + drivers/pci/host/pci-layerscape.c | 13 ++++--------- + 1 file changed, 4 insertions(+), 9 deletions(-) + +diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c +index f85ebcf..00feabf 100644 +--- a/drivers/pci/host/pci-layerscape.c ++++ b/drivers/pci/host/pci-layerscape.c +@@ -158,16 +158,11 @@ static void ls1021_pcie_host_init(struct pcie_port *pp) + static int ls_pcie_link_up(struct pcie_port *pp) + { + struct ls_pcie *pcie = to_ls_pcie(pp); +- u32 state, offset; +- +- if (of_get_property(pp->dev->of_node, "fsl,lut_diff", NULL)) +- offset = 0x407fc; +- else +- offset = PCIE_LUT_DBG; ++ u32 state; + +- state = (ioread32(pcie->lut + offset) >> +- pcie->drvdata->ltssm_shift) & +- LTSSM_STATE_MASK; ++ state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >> ++ pcie->drvdata->ltssm_shift) & ++ LTSSM_STATE_MASK; + + if (state < LTSSM_PCIE_L0) + return 0; +-- +1.7.9.5 + |