Re: [PATCH] power: bq27xxx_battery: don't update poll_interval param if same
Hi, On Fri, Sep 30, 2016 at 09:45:30PM -0700, Matt Ranostay wrote: > To avoid canceling the delayed workqueue needlessly, and scheduling an > immediate polling. Check if the new poll_interval value is different > than the previous setting. > > Cc: Tony Lindgren> Cc: Sebastian Reichel > Signed-off-by: Matt Ranostay Thanks, queued to for-next. -- Sebastian signature.asc Description: PGP signature
Re: [PATCH] power: bq27xxx_battery: don't update poll_interval param if same
Hi, On Fri, Sep 30, 2016 at 09:45:30PM -0700, Matt Ranostay wrote: > To avoid canceling the delayed workqueue needlessly, and scheduling an > immediate polling. Check if the new poll_interval value is different > than the previous setting. > > Cc: Tony Lindgren > Cc: Sebastian Reichel > Signed-off-by: Matt Ranostay Thanks, queued to for-next. -- Sebastian signature.asc Description: PGP signature
[PATCH] power: bq27xxx_battery: don't update poll_interval param if same
To avoid canceling the delayed workqueue needlessly, and scheduling an immediate polling. Check if the new poll_interval value is different than the previous setting. Cc: Tony LindgrenCc: Sebastian Reichel Signed-off-by: Matt Ranostay --- drivers/power/supply/bq27xxx_battery.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index d18802ca3327..e01cea9a395a 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -404,10 +404,11 @@ static LIST_HEAD(bq27xxx_battery_devices); static int poll_interval_param_set(const char *val, const struct kernel_param *kp) { struct bq27xxx_device_info *di; + unsigned int prev_val = *(unsigned int *) kp->arg; int ret; ret = param_set_uint(val, kp); - if (ret < 0) + if (ret < 0 || prev_val == *(unsigned int *) kp->arg) return ret; mutex_lock(_list_lock); -- 2.7.4
[PATCH] power: bq27xxx_battery: don't update poll_interval param if same
To avoid canceling the delayed workqueue needlessly, and scheduling an immediate polling. Check if the new poll_interval value is different than the previous setting. Cc: Tony Lindgren Cc: Sebastian Reichel Signed-off-by: Matt Ranostay --- drivers/power/supply/bq27xxx_battery.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index d18802ca3327..e01cea9a395a 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -404,10 +404,11 @@ static LIST_HEAD(bq27xxx_battery_devices); static int poll_interval_param_set(const char *val, const struct kernel_param *kp) { struct bq27xxx_device_info *di; + unsigned int prev_val = *(unsigned int *) kp->arg; int ret; ret = param_set_uint(val, kp); - if (ret < 0) + if (ret < 0 || prev_val == *(unsigned int *) kp->arg) return ret; mutex_lock(_list_lock); -- 2.7.4