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| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-11-13 23:57:33 +0100 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2018-12-11 11:37:40 +0100 |
| commit | fce5423e4f431c71933d6c1f850b540a314aa6ee (patch) | |
| tree | 7160f9bfe1bc66865691a0939578984c6d567976 /firmware/.gitignore | |
| parent | PCI: dwc: Use interrupt masking instead of disabling (diff) | |
| download | linux-fce5423e4f431c71933d6c1f850b540a314aa6ee.tar.xz linux-fce5423e4f431c71933d6c1f850b540a314aa6ee.zip | |
PCI: dwc: Take lock when ACKing an interrupt
Bizarrely, there is no lock taken in the irq_ack() helper. This
puts the ACK callback provided by a specific platform in a awkward
situation where there is no synchronization that would be expected
on other callback.
Introduce the required lock, giving some level of uniformity among
callbacks.
Fixes: 7c5925afbc58 ("PCI: dwc: Move MSI IRQs allocation to IRQ domains
hierarchical API")
Link: https://lore.kernel.org/linux-pci/20181113225734.8026-1-marc.zyngier@arm.com/
Tested-by: Niklas Cassel <niklas.cassel@linaro.org>
Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Tested-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'firmware/.gitignore')
0 files changed, 0 insertions, 0 deletions