提交 8ee43469 编写于 作者: A Adrian Hunter 提交者: Greg Kroah-Hartman

mmc: sdhci-omap: Fix timeout checks

[ Upstream commit 9f0ea0bda1d06120b053bb0c283f54afec59293d ]

Always check the wait condition before returning timeout.
Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com>
Acked-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
上级 1b2b6ce6
......@@ -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);
}
......
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