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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] mci: stm32_sdmmc2: don't retry commands
Date: Tue, 12 May 2020 09:47:49 +0200	[thread overview]
Message-ID: <20200512074749.GD5877@pengutronix.de> (raw)
In-Reply-To: <20200511164957.21930-1-l.stach@pengutronix.de>

On Mon, May 11, 2020 at 06:49:56PM +0200, Lucas Stach wrote:
> No other MCI does retry failing commands on its own (if at all
> this should be done by the MCI core). Remove the retry, as we
> don't want to paper over board level issues.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
>  drivers/mci/stm32_sdmmc2.c | 16 ++--------------
>  1 file changed, 2 insertions(+), 14 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/mci/stm32_sdmmc2.c b/drivers/mci/stm32_sdmmc2.c
> index 0c26869b0378..de96f0974489 100644
> --- a/drivers/mci/stm32_sdmmc2.c
> +++ b/drivers/mci/stm32_sdmmc2.c
> @@ -481,11 +481,8 @@ static int stm32_sdmmc2_send_cmd(struct mci_host *mci, struct mci_cmd *cmd,
>  {
>  	struct stm32_sdmmc2_priv *priv = to_mci_host(mci);
>  	u32 cmdat = data ? SDMMC_CMD_CMDTRANS : 0;
> -	u32 data_length;
> -	int ret, retry = 3;
> -
> -retry_cmd:
> -	data_length = 0;
> +	u32 data_length = 0;
> +	int ret;
>  
>  	if (data) {
>  		data_length = data->blocks * data->blocksize;
> @@ -530,15 +527,6 @@ retry_cmd:
>  		writel(SDMMC_ICR_STATIC_FLAGS, priv->base + SDMMC_ICR);
>  	}
>  
> -	if (ret && retry) {
> -		dev_warn(priv->dev, "%s: cmd %d failed, retrying ...\n",
> -			 __func__, cmd->cmdidx);
> -
> -		retry--;
> -
> -		goto retry_cmd;
> -	}
> -
>  	dev_dbg(priv->dev, "%s: end for CMD %d, ret = %d\n", __func__,
>  		cmd->cmdidx, ret);
>  
> -- 
> 2.20.1
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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      parent reply	other threads:[~2020-05-12  7:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-11 16:49 [PATCH 1/2] mci: stm32_sdmmc2: don't retry commands Lucas Stach
2020-05-11 16:49 ` [PATCH 2/2] mci: stm32_sdmmc2: move command timeout errors to debug level Lucas Stach
2020-05-12  7:47 ` Sascha Hauer [this message]

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