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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@linutronix.de>
Tested-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210729222542.674391354@linutronix.de
This commit is contained in:
Thomas Gleixner 2021-07-29 23:51:46 +02:00
parent 689e6b5351
commit d28d4ad2a1
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/msi.c
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@ -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;