ARM: 7714/1: mmc: mmci: Ensure return value of regulator_enable() is checked (db90f91f) · Commits · 戴 / test

This patch suppresses the warning below: drivers/mmc/host/mmci.c: In function ‘mmci_set_ios’: drivers/mmc/host/mmci.c:1165:20: warning: ignoring return value of ‘regulator_enable’, declared with attribute warn_unused_result [-Wunused-result] Cc: Chris Ball <cjb@laptop.org> Acked-by:

Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by:

Lee Jones <lee.jones@linaro.org> Signed-off-by:

Russell King <rmk+kernel@arm.linux.org.uk>

drivers/mmc/host/mmci.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -1130,6 +1130,7 @@ static void mmci_set_ios(struct mmc_host mmc, struct mmc_ios ios)
		struct variant_data *variant = host->variant;
		u32 pwr = 0;
		unsigned long flags;
		int ret;

		pm_runtime_get_sync(mmc_dev(mmc));

		@@ -1161,8 +1162,12 @@ static void mmci_set_ios(struct mmc_host mmc, struct mmc_ios ios)
		break;
		case MMC_POWER_ON:
		if (!IS_ERR(mmc->supply.vqmmc) &&
		!regulator_is_enabled(mmc->supply.vqmmc))
		regulator_enable(mmc->supply.vqmmc);
		!regulator_is_enabled(mmc->supply.vqmmc)) {
		ret = regulator_enable(mmc->supply.vqmmc);
		if (ret < 0)
		dev_err(mmc_dev(mmc),
		"failed to enable vqmmc regulator\n");
		}

		pwr \|= MCI_PWR_ON;
		break;

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