Since cancel_delayed_work(&chip->poweroff_work) does not guarantee that
tsl2563_poweroff_work() is not running, tsl2563_set_power(chip, 0) can be
called from tsl2563_poweroff_work() after tsl2563_get_power(chip) and
tsl2563_set_power(chip, 1) are called. Use _sync version in order to make
sure that tsl2563_poweroff_work() is no longer running.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/041b6745-f784-ff3f-9836-3f4397d35d94@I-love.SAKURA.ne.jp
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
goto out;
if (!chip->int_enabled) {
- cancel_delayed_work(&chip->poweroff_work);
+ cancel_delayed_work_sync(&chip->poweroff_work);
if (!tsl2563_get_power(chip)) {
ret = tsl2563_set_power(chip, 1);
chip->intr &= ~0x30;
chip->intr |= 0x10;
/* ensure the chip is actually on */
- cancel_delayed_work(&chip->poweroff_work);
+ cancel_delayed_work_sync(&chip->poweroff_work);
if (!tsl2563_get_power(chip)) {
ret = tsl2563_set_power(chip, 1);
if (ret)