[U-Boot] [PATCH] drivers: usb: dwc3: setup phy before dwc3 core soft reset

[Michal Simek]

st 11. 9. 2019 v 16:45 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> From: T Karthik Reddy <t.karthik.reddy at xilinx.com>
>
> Phy setup should be done before dwc3 soft core reset as it is done
> in linux & this fixes unreliable detection of usb cable on host side.
>
> Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  drivers/usb/dwc3/core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 56e2a046bf06..2498f0efb1a4 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -440,6 +440,8 @@ static int dwc3_core_init(struct dwc3 *dwc)
>                 goto err0;
>         }
>
> +       dwc3_phy_setup(dwc);
> +
>         ret = dwc3_core_soft_reset(dwc);
>         if (ret)
>                 goto err0;
> @@ -514,8 +516,6 @@ static int dwc3_core_init(struct dwc3 *dwc)
>
>         dwc3_writel(dwc->regs, DWC3_GCTL, reg);
>
> -       dwc3_phy_setup(dwc);
> -
>         ret = dwc3_alloc_scratch_buffers(dwc);
>         if (ret)
>                 goto err0;
> --
> 2.17.1
>

Haven't got any reply on this and patchwork assigned it to me that's
why I am applying it.
M


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs