forge/linux-uconsole
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source 
commit d28d4ad2a1 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: 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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Gleixner 2021-07-29 23:51:46 +02:00 • committed by Greg Kroah-Hartman
commit 724d0a9850
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/pci/msi.c
View file

@ -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;