[PATCH 4.14 24/64] PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()

From: Sasha Levin
Date: Tue Aug 24 2021 - 13:30:40 EST


From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

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: 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
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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 93dd4c69cc46..034f60b75a6e 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -896,7 +896,7 @@ 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;
--
2.30.2