Jia-Ju Bai <baijiaju1...@gmail.com> writes: > After checking all possible call chains to bcma_pmu_resources_init() here, > my tool finds that this function is never called in atomic context, > namely never in an interrupt handler or holding a spinlock. > Thus mdelay can be replaced with usleep_range to avoid busy wait. > > This is found by a static analysis tool named DCNS written by myself. > > Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com> > --- > drivers/bcma/driver_chipcommon_pmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/bcma/driver_chipcommon_pmu.c > b/drivers/bcma/driver_chipcommon_pmu.c > index f1eb4d3..478948c 100644 > --- a/drivers/bcma/driver_chipcommon_pmu.c > +++ b/drivers/bcma/driver_chipcommon_pmu.c > @@ -203,7 +203,7 @@ static void bcma_pmu_resources_init(struct bcma_drv_cc > *cc) > * Add some delay; allow resources to come up and settle. > * Delay is required for SoC (early init). > */ > - mdelay(2); > + usleep_range(1500, 2000);
I would like to have an ack from someone familiar with bcma before I apply this. -- Kalle Valo
