[tip: irq/core] PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()

From: tip-bot2 for Thomas Gleixner
Date: Tue Aug 10 2021 - 05:09:47 EST


The following commit has been merged into the irq/core branch of tip:

Commit-ID: d28d4ad2a1aef27458b3383725bb179beb8d015c
Gitweb: https://git.kernel.org/tip/d28d4ad2a1aef27458b3383725bb179beb8d015c
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 29 Jul 2021 23:51:46 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 10 Aug 2021 10:59:20 +02:00

PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()

No point in using the raw write function from shutdown. Preparatory change
to introduce proper serialization for the msi_desc::masked cache.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Tested-by: Marc Zyngier <maz@xxxxxxxxxx>
Reviewed-by: Marc Zyngier <maz@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20210729222542.674391354@xxxxxxxxxxxxx

---
drivers/pci/msi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index b3f5807..f0f7026 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -961,7 +961,7 @@ static void pci_msi_shutdown(struct pci_dev *dev)

/* Return the device with MSI unmasked as initial states */
mask = msi_mask(desc->msi_attrib.multi_cap);
- __pci_msi_desc_mask_irq(desc, mask, 0);
+ msi_mask_irq(desc, mask, 0);

/* Restore dev->irq to its default pin-assertion IRQ */
dev->irq = desc->msi_attrib.default_irq;