Hi Will, I saw it in your trees, is it necessary to Cc stable version?
Cheers, Shaokun On 2018/7/23 20:56, Shaokun Zhang wrote: > From: Miao Zhong <[email protected]> > > When PRI queue occurs overflow, driver should update the OVACKFLG to > the PRIQ consumer register, otherwise subsequent PRI requests will not > be processed. > > Cc: Will Deacon <[email protected]> > Cc: Robin Murphy <[email protected]> > Signed-off-by: Miao Zhong <[email protected]> > --- > drivers/iommu/arm-smmu-v3.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c > index 1d64710..deacc15 100644 > --- a/drivers/iommu/arm-smmu-v3.c > +++ b/drivers/iommu/arm-smmu-v3.c > @@ -1301,6 +1301,7 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void > *dev) > > /* Sync our overflow flag, as we believe we're up to speed */ > q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons); > + writel(q->cons, q->cons_reg); > return IRQ_HANDLED; > } > > _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
