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Groups > linux.kernel > #1364310
| From | Bartosz Golaszewski <bgolaszewski@baylibre.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 05/13] eeprom: at24: replace msleep() with usleep_range() |
| Date | 2016-03-24 17:30 +0100 |
| Message-ID | <rggj0-5dz-3@gated-at.bofh.it> (permalink) |
| References | <rggj0-5dz-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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> --- 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
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[PATCH v2 05/13] eeprom: at24: replace msleep() with usleep_range() Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-03-24 17:30 +0100
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