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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2016-04-11 21:57:21 +0300
committerWolfram Sang <wsa@the-dreams.de>2016-04-16 23:57:22 +0300
commit1d98d0ec0ef3594901c2356773c191304703f17e (patch)
tree033c889b02a3767f72d9531bcd021d0665a6207e /drivers/misc/eeprom
parent5057e8e07f2521649eb444492433f419f93de37a (diff)
downloadlinux-1d98d0ec0ef3594901c2356773c191304703f17e.tar.xz
eeprom: at24: replace msleep() with usleep_range()
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 <bgolaszewski@baylibre.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/misc/eeprom')
-rw-r--r--drivers/misc/eeprom/at24.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 001a9af8e36c..6cc17b7779a5 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -245,8 +245,7 @@ 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;
@@ -365,8 +364,7 @@ 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;