From: Dmitry Antipov <dmitry.antipov@linaro.org>
To: linaro-dev@lists.linaro.org
Cc: patches@linaro.org, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] mmc: use usleep_range() in mmc_delay()
Date: Wed, 21 Dec 2011 10:56:16 +0400 [thread overview]
Message-ID: <4EF18310.6080801@linaro.org> (raw)
From f447d78db65c6675e69466e8ed08364ff065ac08 Mon Sep 17 00:00:00 2001
From: Dmitry Antipov <dmitry.antipov@linaro.org>
Date: Wed, 21 Dec 2011 10:51:03 +0400
Subject: [PATCH] mmc: use usleep_range() in mmc_delay()
---
drivers/mmc/core/core.h | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 14664f1..a77851e 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -47,12 +47,8 @@ void mmc_power_off(struct mmc_host *host);
static inline void mmc_delay(unsigned int ms)
{
- if (ms < 1000 / HZ) {
- cond_resched();
- mdelay(ms);
- } else {
- msleep(ms);
- }
+ unsigned long us = ms * USEC_PER_MSEC;
+ usleep_range(us, us + 1000);
}
void mmc_rescan(struct work_struct *work);
--
1.7.7.4
next reply other threads:[~2011-12-21 6:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 6:56 Dmitry Antipov [this message]
2011-12-21 11:25 ` [PATCH] mmc: use usleep_range() in mmc_delay() Sujit Reddy Thumma
2011-12-21 13:05 ` Dmitry Antipov
2011-12-27 4:40 ` Sujit Reddy Thumma
2012-01-13 13:22 ` Aaro Koskinen
2012-01-13 13:51 ` Dmitry Antipov
2012-01-13 14:52 ` Aaro Koskinen
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