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- From 1b23a4e0f03063f823ea38065c1106f62a56b408 Mon Sep 17 00:00:00 2001
- From: Mingkai Hu <mingkai.hu@nxp.com>
- Date: Mon, 7 Nov 2016 15:03:51 +0800
- Subject: [PATCH 230/238] layerscape/pci: fix linkup issue
- commit e6612d785198abbb39142e2acb63f9bff26ab718
- [context adjustment]
- Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
- Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
- ---
- drivers/pci/host/pci-layerscape.c | 13 +++++++++----
- 1 file changed, 9 insertions(+), 4 deletions(-)
- --- a/drivers/pci/host/pci-layerscape.c
- +++ b/drivers/pci/host/pci-layerscape.c
- @@ -158,11 +158,16 @@ 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;
- + u32 state, offset;
-
- - state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >>
- - pcie->drvdata->ltssm_shift) &
- - LTSSM_STATE_MASK;
- + 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;
-
- if (state < LTSSM_PCIE_L0)
- return 0;
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