[PATCH 1/1] mmc: sdhci-esdhc: Change delay after setting clock from 100ms to 1ms
From: Tony Lin <hidden>
Date: 2011-11-22 06:42:30
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Ulf Hansson, Adrian Hunter, Linus Torvalds
1ms is enough for hardware to change the clock to stable. 100ms is too long in the tasklet. Signed-off-by: Tony Lin <redacted> CC: Xiaobo Xie <redacted> CC: Anton Vorontsov <redacted> --- drivers/mmc/host/sdhci-esdhc.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index c3b08f1..b97b2f5 100644
--- a/drivers/mmc/host/sdhci-esdhc.h
+++ b/drivers/mmc/host/sdhci-esdhc.h@@ -73,7 +73,7 @@ static inline void esdhc_set_clock(struct sdhci_host *host, unsigned int clock) | (div << ESDHC_DIVIDER_SHIFT) | (pre_div << ESDHC_PREDIV_SHIFT)); sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL); - mdelay(100); + mdelay(1); out: host->clock = clock; }
--
1.7.0.4