Hi, On 4/7/21 9:00 AM, Tian Tao wrote: > disable_irq() after request_irq() still has a time gap in which > interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will > disable IRQ auto-enable because of requesting. > > this patch is made base on "add IRQF_NO_AUTOEN for request_irq" which > is being merged: https://lore.kernel.org/patchwork/patch/1388765/ > > Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > --- > drivers/platform/surface/aggregator/controller.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c > index aa6f37b..00e3828 100644 > --- a/drivers/platform/surface/aggregator/controller.c > +++ b/drivers/platform/surface/aggregator/controller.c > @@ -2483,7 +2483,8 @@ int ssam_irq_setup(struct ssam_controller *ctrl) > * interrupt, and let the SAM resume callback during the controller > * resume process clear it. > */ > - const int irqf = IRQF_SHARED | IRQF_ONESHOT | IRQF_TRIGGER_RISING; > + const int irqf = IRQF_SHARED | IRQF_ONESHOT | > + IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN; > > gpiod = gpiod_get(dev, "ssam_wakeup-int", GPIOD_ASIS); > if (IS_ERR(gpiod)) > @@ -2501,7 +2502,6 @@ int ssam_irq_setup(struct ssam_controller *ctrl) > return status; > > ctrl->irq.num = irq; > - disable_irq(ctrl->irq.num); > return 0; > } > >
