qca_spi: Make interrupt remembering atomic
[ Upstream commit 2d719827 ] The whole mechanism to remember occurred SPI interrupts is not atomic, which could lead to unexpected behavior. So fix this by using atomic bit operations instead. Fixes: 291ab06e ("net: qualcomm: new Ethernet over SPI driver for QCA7000") Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Link: https://lore.kernel.org/r/20240614145030.7781-1-wahrenst@gmx.net Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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