[PATCH v2 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D

[Andrey Smirnov]

PCIE PHY IP block on i.MX7D differs from the one used on i.MX6 family,
so none of the code in current implementation of imx6_pcie_reset_phy()
is applicable.

Cc: bhelg...@google.com
Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: cphe...@gmail.com
Cc: l.st...@pengutronix.de
Cc: Leonard Crestez <leonard.cres...@nxp.com>
Cc: "A.s. Dong" <aisheng.d...@nxp.com>
Cc: Richard Zhu <hongxing....@nxp.com>
Cc: linux-...@nxp.com
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-...@vger.kernel.org
Tested-by: Trent Piepho <tpie...@impinj.com>
Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
 drivers/pci/controller/dwc/pci-imx6.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c 
b/drivers/pci/controller/dwc/pci-imx6.c
index c140f7987598..3c3002861d25 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -245,6 +245,9 @@ static void imx6_pcie_reset_phy(struct imx6_pcie *imx6_pcie)
 {
        u32 tmp;
 
+       if (imx6_pcie->variant == IMX7D)
+               return;
+
        pcie_phy_read(imx6_pcie, PHY_RX_OVRD_IN_LO, &tmp);
        tmp |= (PHY_RX_OVRD_IN_LO_RX_DATA_EN |
                PHY_RX_OVRD_IN_LO_RX_PLL_EN);
-- 
2.19.1