target/linux/mediatek/patches-4.14/0178-phy-phy-mtk-tphy-make-shared-banks-optional-for-V1-T.patch

   1 From d7a38584713b00cf9ae97aed89d5e8fb7e3c1bea Mon Sep 17 00:00:00 2001
   2 From: Chunfeng Yun <chunfeng.yun@mediatek.com>
   3 Date: Thu, 7 Dec 2017 19:53:35 +0800
   4 Subject: [PATCH 178/224] phy: phy-mtk-tphy: make shared banks optional for V1
   5  TPHY
   6
   7 V1 TPHY for SATA doesn't have shared banks if it isn't shared
   8 with PCIe or USB, so make it optional.
   9
  10 Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
  11 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
  12 ---
  13  drivers/phy/mediatek/phy-mtk-tphy.c | 5 +++--
  14  1 file changed, 3 insertions(+), 2 deletions(-)
  15
  16 diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
  17 index 54cc44b2d289..11cab1d84a02 100644
  18 --- a/drivers/phy/mediatek/phy-mtk-tphy.c
  19 +++ b/drivers/phy/mediatek/phy-mtk-tphy.c
  20 @@ -1023,9 +1023,10 @@ static int mtk_tphy_probe(struct platform_device *pdev)
  21         tphy->dev = dev;
  22         platform_set_drvdata(pdev, tphy);
  23
  24 -       if (tphy->pdata->version == MTK_PHY_V1) {
  25 +       sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  26 +       /* SATA phy of V1 needn't it if not shared with PCIe or USB */
  27 +       if (sif_res && tphy->pdata->version == MTK_PHY_V1) {
  28                 /* get banks shared by multiple phys */
  29 -               sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  30                 tphy->sif_base = devm_ioremap_resource(dev, sif_res);
  31                 if (IS_ERR(tphy->sif_base)) {
  32                         dev_err(dev, "failed to remap sif regs\n");
  33 --
  34 2.11.0
  35