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eeprom: at24: replace msleep() with usleep_range()

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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>
This commit is contained in:
Bartosz Golaszewski
2016-04-11 11:57:21 -07:00
committed by Wolfram Sang
parent 5057e8e07f
commit 1d98d0ec0e
1 changed files with 2 additions and 4 deletions
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6
drivers/misc/eeprom/at24.c
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@@ -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;