[PATCH v4 5/6] PCI: qcom: Setup PHY to work in RC mode

Han Jingoo jingoohan1 at gmail.com
Sat Sep 24 16:54:23 PDT 2022


On Sat, Sep 24, 2022 Dmitry Baryshkov <dmitry.baryshkov at linaro.org> wrote:
>
> Call phy_set_mode_ext() to notify the PHY driver that the PHY is being
> used in the RC mode.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

Reviewed-by: Jingoo Han <jingoohan1 at gmail.com>

Best regards,
Jingoo Han


> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> index 66886dc6e777..1027281bd6ff 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -22,6 +22,7 @@
>  #include <linux/pci.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/platform_device.h>
> +#include <linux/phy/pcie.h>
>  #include <linux/phy/phy.h>
>  #include <linux/regulator/consumer.h>
>  #include <linux/reset.h>
> @@ -1494,6 +1495,10 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp)
>         if (ret)
>                 return ret;
>
> +       ret = phy_set_mode_ext(pcie->phy, PHY_MODE_PCIE, PHY_MODE_PCIE_RC);
> +       if (ret)
> +               goto err_deinit;
> +
>         ret = phy_power_on(pcie->phy);
>         if (ret)
>                 goto err_deinit;
> --
> 2.35.1
>



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