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Commit 48d2439c authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Greg Kroah-Hartman
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PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown() 



commit d28d4ad2a1aef27458b3383725bb179beb8d015c upstream.

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: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarMarc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210729222542.674391354@linutronix.de


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 386ead1d

drivers/pci/msi.c

+1 −1
Original line number Diff line number Diff line
@@ -960,7 +960,7 @@ 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;