Re: [PATCH] mmc: renesas_sdhi: simplify execute_tuning

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Hi Wolfram,

Thanks for your work.

On 2020-02-13 17:37:15 +0100, Wolfram Sang wrote:
> After refactoring, 'ret' variable is superfluous. Remove it.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

> ---
> 
> Tested on a Salvator-XS (R-Car M3-N). Tuning to HS400 works,
> checksumming a large file works with no performance regression.
> 
>  drivers/mmc/host/renesas_sdhi_core.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
> index 0f07cc1aee34..df826661366f 100644
> --- a/drivers/mmc/host/renesas_sdhi_core.c
> +++ b/drivers/mmc/host/renesas_sdhi_core.c
> @@ -497,7 +497,7 @@ static int renesas_sdhi_select_tuning(struct tmio_mmc_host *host)
>  static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
>  {
>  	struct renesas_sdhi *priv = host_to_priv(host);
> -	int i, ret;
> +	int i;
>  
>  	priv->tap_num = renesas_sdhi_init_tuning(host);
>  	if (!priv->tap_num)
> @@ -517,8 +517,7 @@ static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
>  		/* Set sampling clock position */
>  		sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET, i % priv->tap_num);
>  
> -		ret = mmc_send_tuning(host->mmc, opcode, NULL);
> -		if (ret == 0)
> +		if (mmc_send_tuning(host->mmc, opcode, NULL) == 0)
>  			set_bit(i, priv->taps);
>  	}
>  
> -- 
> 2.20.1
> 

-- 
Regards,
Niklas Söderlund



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