be91046ac13e78b78e0944ec32924eb4682a5b2b
[openwrt/openwrt.git] / 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 diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c
12 index f85ebcf..00feabf 100644
13 --- a/drivers/pci/host/pci-layerscape.c
14 +++ b/drivers/pci/host/pci-layerscape.c
15 @@ -158,16 +158,11 @@ static void ls1021_pcie_host_init(struct pcie_port *pp)
16 static int ls_pcie_link_up(struct pcie_port *pp)
17 {
18 struct ls_pcie *pcie = to_ls_pcie(pp);
19 - u32 state, offset;
20 -
21 - if (of_get_property(pp->dev->of_node, "fsl,lut_diff", NULL))
22 - offset = 0x407fc;
23 - else
24 - offset = PCIE_LUT_DBG;
25 + u32 state;
26
27 - state = (ioread32(pcie->lut + offset) >>
28 - pcie->drvdata->ltssm_shift) &
29 - LTSSM_STATE_MASK;
30 + state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >>
31 + pcie->drvdata->ltssm_shift) &
32 + LTSSM_STATE_MASK;
33
34 if (state < LTSSM_PCIE_L0)
35 return 0;
36 --
37 1.7.9.5
38