Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH v2 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D | Date | Wed, 5 Dec 2018 23:35:44 -0800 |
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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: bhelgaas@google.com Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: cphealy@gmail.com Cc: l.stach@pengutronix.de Cc: Leonard Crestez <leonard.crestez@nxp.com> Cc: "A.s. Dong" <aisheng.dong@nxp.com> Cc: Richard Zhu <hongxing.zhu@nxp.com> Cc: linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org Tested-by: Trent Piepho <tpiepho@impinj.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@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
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