linux-kernel - [tip: irq/core] PCI/MSI: Use msi_mask_irq() in pci_msi

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Date:   Tue, 10 Aug 2021 09:07:44 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, stable@...r.kernel.org,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: irq/core] PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()

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@...utronix.de>
AuthorDate:    Thu, 29 Jul 2021 23:51:46 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
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@...utronix.de>
Tested-by: Marc Zyngier <maz@...nel.org>
Reviewed-by: Marc Zyngier <maz@...nel.org>
Cc: stable@...r.kernel.org
Link: https://lore.kernel.org/r/20210729222542.674391354@linutronix.de

---
 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;