PCI: aardvark: Fix masking and unmasking legacy INTx interrupts

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irq_mask and irq_unmask callbacks need to be properly guarded by raw spin
locks as masking/unmasking procedure needs atomic read-modify-write
operation on hardware register.

Link: https://lore.kernel.org/r/20210820155020.3000-1-pali@kernel.org
Reported-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org

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Pali Rohár 2021-08-20 17:50:20 +02:00 • committed by Lorenzo Pieralisi

parent 64f160e19e

commit d212dcee27

1 changed files with 9 additions and 0 deletions

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drivers/pci/controller/pci-aardvark.c

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