[U-Boot] [PATCH 04/13] mmc: Fix warning if debug() is not used

Jaehoon Chung
2016-12-01T05:14:05Z

On 12/01/2016 10:06 AM, Marek Vasut wrote:
> If debug() is not used, then the whole content of debug(...) will
> be removed by the preprocessor, which will result in the following
> warning. This patch adds __maybe_unused annotation to fix this.
>
> drivers/mmc/mmc.c: In function ?mmc_init?:
> drivers/mmc/mmc.c:1685:11: warning: variable ?start? set but not used [-Wunused-but-set-variable]
> unsigned start;
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Jaehoon Chung <jh80.chung@samsung.com>

Applied on u-boot-mmc. Thanks!

Best Regards,
Jaehoon Chung

> ---
> drivers/mmc/mmc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index d6b7e4f..6e25b67 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1708,7 +1708,7 @@ static int mmc_complete_init(struct mmc *mmc)
> int mmc_init(struct mmc *mmc)
> {
> int err = 0;
> - unsigned start;
> + __maybe_unused unsigned start;
> #ifdef CONFIG_DM_MMC
> struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc->dev);
>
>