Messages in this thread | | | Date | Wed, 21 Dec 2011 16:55:36 +0530 | From | Sujit Reddy Thumma <> | Subject | Re: [PATCH] mmc: use usleep_range() in mmc_delay() |
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On 12/21/2011 12:26 PM, Dmitry Antipov wrote: > 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);
I have posted similar patch some time back. http://comments.gmane.org/gmane.linux.ports.arm.msm/2119.
Would you like to comment on that?
Thanks, Sujit
> } > > void mmc_rescan(struct work_struct *work);
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