linux-kernel - Re: [RFC PATCH V2 1/2] mmc: Update sdhci tune function to return errors

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Message-Id: <D7LPZ1L5CJLC.3CZRIDER6UHSO@marliere.net>
Date: Thu, 06 Feb 2025 19:34:52 -0300
From: Ricardo B. Marlière <ricardo@...liere.net>
To: "Erick Shepherd" <erick.shepherd@...com>, <linux-kernel@...r.kernel.org>
Cc: <linux-mmc@...r.kernel.org>, <ulf.hansson@...aro.org>,
 <adrian.hunter@...el.com>, <avri.altman@....com>,
 <wsa+renesas@...g-engineering.com>, <quic_jjohnson@...cinc.com>,
 <andy-ld.lu@...iatek.com>, <victor.shih@...esyslogic.com.tw>,
 <keita.aihara@...y.com>, <dsimic@...jaro.org>, <cw9316.lee@...sung.com>
Subject: Re: [RFC PATCH V2 1/2] mmc: Update sdhci tune function to return
 errors

On Thu Feb 6, 2025 at 6:08 PM -03, Erick Shepherd wrote:
> Updates the sdhci_execute_tuning function to return the error code
> that was returned by the __sdhci_execute_tuning function.
> Previously this code was only stored in host->tuning_err and not
> actually returned.
>
> Signed-off-by: Erick Shepherd <erick.shepherd@...com>
> ---
>  drivers/mmc/host/sdhci.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index f4a7733a8ad2..b35b8917fa1e 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -2967,7 +2967,8 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
>  
>  	sdhci_start_tuning(host);
>  
> -	host->tuning_err = __sdhci_execute_tuning(host, opcode);
> +	err = __sdhci_execute_tuning(host, opcode);
> +	host->tuning_err = err;

Reviewed-by: Ricardo B. Marlière <ricardo@...liere.net>

>  
>  	sdhci_end_tuning(host);
>  out: