[patch RFC 35/38] platform-msi: Provide default irq_chip::ack

Thomas Gleixner
2020-08-21T02:18:04Z

[-- Attachment #1: platform-msi--Provide-default-irq_chip--ack.patch --]
[-- Type: text/plain, Size: 733 bytes --]

For the upcoming device MSI support it's required to have a default
irq_chip::ack implementation (irq_chip_ack_parent) so the drivers do not
need to care.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/base/platform-msi.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -95,6 +95,8 @@ static void platform_msi_update_chip_ops
chip->irq_mask = irq_chip_mask_parent;
if (!chip->irq_unmask)
chip->irq_unmask = irq_chip_unmask_parent;
+ if (!chip->irq_ack)
+ chip->irq_ack = irq_chip_ack_parent;
if (!chip->irq_eoi)
chip->irq_eoi = irq_chip_eoi_parent;
if (!chip->irq_set_affinity)