From: Tony Lin <tony.lin@freescale.com>
Date: Tue, 22 Nov 2011 06:42:30 +0000 (+0800)
Subject: mmc: sdhci-esdhc: Change delay after setting clock from 100ms to 1ms
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4ee5ebaf74ba1b3e2e3f9aad442bf38db96c20d2;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

mmc: sdhci-esdhc: Change delay after setting clock from 100ms to 1ms

1ms is enough for hardware to change the clock to stable.
100ms is too long in the tasklet.

Signed-off-by: Tony Lin <tony.lin@freescale.com>
CC: Xiaobo Xie <X.Xie@freescale.com>
CC: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index c3b08f111942..b97b2f5dafdb 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;
 }