[PATCH v3 10/13] genirq/msi: Provide default .irq_ack() for MSI chips
From: Valentin Schneider <hidden>
Date: 2021-06-29 12:51:43
Also in:
lkml
Subsystem:
irq domains (irq number mapping library), irq subsystem, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
MSI_FLAG_USE_DEF_CHIP_OPS can now provide a default .irq_eoi() to any irqchip attached to an MSI domain. Complement it by adding a default .irq_ack() implementation. Signed-off-by: Valentin Schneider <redacted> --- kernel/irq/msi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index c97590945e99..127e0dd72b60 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c@@ -274,6 +274,8 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info) BUG_ON(!chip || !chip->irq_mask || !chip->irq_unmask); if (!chip->irq_set_affinity) chip->irq_set_affinity = msi_domain_set_affinity; + if (!chip->irq_ack) + chip->irq_ack = irq_chip_ack_parent; if (!chip->irq_eoi) chip->irq_eoi = irq_chip_eoi_parent; }
--
2.25.1
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