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

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(-)

--- 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
 static int ls_pcie_link_up(struct pcie_port *pp)
 {
 	struct ls_pcie *pcie = to_ls_pcie(pp);
-	u32 state, offset;
+	u32 state;
 
-	if (of_get_property(pp->dev->of_node, "fsl,lut_diff", NULL))
-		offset = 0x407fc;
-	else
-		offset = PCIE_LUT_DBG;
-
-	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;