layerscape: add ls2088ardb device support

[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 8235-pci-layerscape-fix-pci-lut-offset-issue.patch

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 (file)
index 0000000..be91046
--- /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
+