target/linux/layerscape/patches-4.4/8235-pci-layerscape-fix-pci-lut-offset-issue.patch

   1 From 2f3ea65dc8909cbf4116bd74b3dea8d25749508f Mon Sep 17 00:00:00 2001
   2 From: Zhao Qiang <qiang.zhao@nxp.com>
   3 Date: Wed, 23 Nov 2016 11:29:45 +0800
   4 Subject: [PATCH 235/238] pci/layerscape: fix pci lut offset issue
   5
   6 Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
   7 ---
   8  drivers/pci/host/pci-layerscape.c |   13 ++++---------
   9  1 file changed, 4 insertions(+), 9 deletions(-)
  10
  11 --- a/drivers/pci/host/pci-layerscape.c
  12 +++ b/drivers/pci/host/pci-layerscape.c
  13 @@ -158,16 +158,11 @@ static void ls1021_pcie_host_init(struct
  14  static int ls_pcie_link_up(struct pcie_port *pp)
  15  {
  16         struct ls_pcie *pcie = to_ls_pcie(pp);
  17 -       u32 state, offset;
  18 +       u32 state;
  19
  20 -       if (of_get_property(pp->dev->of_node, "fsl,lut_diff", NULL))
  21 -               offset = 0x407fc;
  22 -       else
  23 -               offset = PCIE_LUT_DBG;
  24 -
  25 -       state = (ioread32(pcie->lut + offset) >>
  26 -                       pcie->drvdata->ltssm_shift) &
  27 -               LTSSM_STATE_MASK;
  28 +       state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >>
  29 +                pcie->drvdata->ltssm_shift) &
  30 +                LTSSM_STATE_MASK;
  31
  32         if (state < LTSSM_PCIE_L0)
  33                 return 0;