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 --- 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);