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SubjectRe: [PATCH v2 2/3] PCI: imx: No-op imx6_pcie_reset_phy() on i.MX7D
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Am Mittwoch, den 05.12.2018, 23:35 -0800 schrieb 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: 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>

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>

> ---
>  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);

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