From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757939AbcCXOxg (ORCPT ); Thu, 24 Mar 2016 10:53:36 -0400 Received: from mail-wm0-f52.google.com ([74.125.82.52]:37850 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752363AbcCXOqT (ORCPT ); Thu, 24 Mar 2016 10:46:19 -0400 From: Bartosz Golaszewski To: Wolfram Sang , linux-i2c , LKML Cc: Andrew Lunn , Bartosz Golaszewski Subject: [PATCH 05/13] eeprom: at24: replace msleep() with usleep_range() Date: Thu, 24 Mar 2016 15:45:59 +0100 Message-Id: <1458830767-23816-6-git-send-email-bgolaszewski@baylibre.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1458830767-23816-1-git-send-email-bgolaszewski@baylibre.com> References: <1458830767-23816-1-git-send-email-bgolaszewski@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We cannot expect msleep(1) to actually sleep for a period shorter than 20 ms. Replace all calls to msleep() with usleep_range(). Signed-off-by: Bartosz Golaszewski --- drivers/misc/eeprom/at24.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 9e01428..bc5be1e 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -240,8 +240,7 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf, if (status == count) return count; - /* REVISIT: at HZ=100, this is sloooow */ - msleep(1); + usleep_range(1000, 1500); } while (time_before(read_time, timeout)); return -ETIMEDOUT; @@ -355,8 +354,7 @@ static ssize_t at24_eeprom_write(struct at24_data *at24, const char *buf, if (status == count) return count; - /* REVISIT: at HZ=100, this is sloooow */ - msleep(1); + usleep_range(1000, 1500); } while (time_before(write_time, timeout)); return -ETIMEDOUT; -- 2.7.4