mmc: core: Allow invalid regulator in mmc_regulator_set_ocr()

Basically all host drivers use code like this: if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0) Move the IS_ERR() check to mmc_regulator_set_ocr() to simplify host driver code. Suggested-by: Ulf Hansson <[email protected]> Signed-off-by: Heiner Kallweit <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
NVIDIA · Mar 23, 2023 · 4b4b7ac · 4b4b7ac
1 parent 4453d51
commit 4b4b7ac
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/mmc/core/regulator.c b/drivers/mmc/core/regulator.c
@@ -110,6 +110,9 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 	int			result = 0;
 	int			min_uV, max_uV;
 
+	if (IS_ERR(supply))
+		return 0;
+
 	if (vdd_bit) {
 		mmc_ocrbitnum_to_vdd(vdd_bit, &min_uV, &max_uV);