From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Antipov Subject: [PATCH] mmc: use usleep_range() in mmc_delay() Date: Wed, 21 Dec 2011 10:56:16 +0400 Message-ID: <4EF18310.6080801@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f174.google.com ([74.125.82.174]:53598 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751432Ab1LUGzl (ORCPT ); Wed, 21 Dec 2011 01:55:41 -0500 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linaro-dev@lists.linaro.org Cc: patches@linaro.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org From f447d78db65c6675e69466e8ed08364ff065ac08 Mon Sep 17 00:00:00 2001 From: Dmitry Antipov 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