From: Adrian Hunter <adrian.hunter@xxxxxxxxx> [ Upstream commit 9f0ea0bda1d06120b053bb0c283f54afec59293d ] Always check the wait condition before returning timeout. Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/mmc/host/sdhci-omap.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index d264391616f9..d02f5cf76b3d 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -220,8 +220,12 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host, /* wait 1ms */ timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT); - while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)) { - if (WARN_ON(ktime_after(ktime_get(), timeout))) + while (1) { + bool timedout = ktime_after(ktime_get(), timeout); + + if (sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP) + break; + if (WARN_ON(timedout)) return; usleep_range(5, 10); } @@ -653,8 +657,12 @@ static void sdhci_omap_init_74_clocks(struct sdhci_host *host, u8 power_mode) /* wait 1ms */ timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT); - while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)) { - if (WARN_ON(ktime_after(ktime_get(), timeout))) + while (1) { + bool timedout = ktime_after(ktime_get(), timeout); + + if (sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN) + break; + if (WARN_ON(timedout)) return; usleep_range(5, 10); } -- 2.19.1