[PATCH] net: gem: Reduce timeout of mdio phy idle status check

[Ramon Fried]

On Thu, Nov 18, 2021 at 2:05 PM Michal Simek <michal.simek at xilinx.com> wrote:
>
> From: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
>
> Timeout for checking mdio phy idle status is 20seconds. In case of errors
> this timeout will be too much. Reduce it to 100ms.
>
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  drivers/net/zynq_gem.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
> index c309c3c95499..033021f1cbfc 100644
> --- a/drivers/net/zynq_gem.c
> +++ b/drivers/net/zynq_gem.c
> @@ -110,6 +110,8 @@
>
>  #define ZYNQ_GEM_DCFG_DBG6_DMA_64B     BIT(23)
>
> +#define MDIO_IDLE_TIMEOUT_MS           100
> +
>  /* Use MII register 1 (MII status register) to detect PHY */
>  #define PHY_DETECT_REG  1
>
> @@ -225,7 +227,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
>         int err;
>
>         err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
> -                               true, 20000, false);
> +                               true, MDIO_IDLE_TIMEOUT_MS, false);
>         if (err)
>                 return err;
>
> @@ -238,7 +240,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
>         writel(mgtcr, &regs->phymntnc);
>
>         err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
> -                               true, 20000, false);
> +                               true, MDIO_IDLE_TIMEOUT_MS, false);
>         if (err)
>                 return err;
>
> --
> 2.33.1
>
Reviewed-by: Ramon Fried <rfried.dev at gmail.com>