On Fri, Sep 18, 2020 at 07:02:29PM -0700, Bhaumik Bhatt wrote: > Remove the IRQF_SHARED flag as it is not needed for the BHI interrupt > and replace it with IRQF_ONESHOT so that host can be sure that the > next BHI hard interrupt is triggered only when the threaded interrupt > handler has returned. This is to avoid any race conditions we may run > into if BHI interrupts fire one after another. > > Signed-off-by: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx> > --- > drivers/bus/mhi/core/init.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c > index ca32563..9ae4c19 100644 > --- a/drivers/bus/mhi/core/init.c > +++ b/drivers/bus/mhi/core/init.c > @@ -167,7 +167,7 @@ int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl) > /* Setup BHI_INTVEC IRQ */ > ret = request_threaded_irq(mhi_cntrl->irq[0], mhi_intvec_handler, > mhi_intvec_threaded_handler, > - IRQF_SHARED | IRQF_NO_SUSPEND, > + IRQF_ONESHOT | IRQF_NO_SUSPEND, Jeff, I believe you're the one requested for shared irq during initial push. Are you okay with this? Thanks, Mani > "bhi", mhi_cntrl); > if (ret) > return ret; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >
