can: kvaser_pciefd: Force IRQ edge in case of nested IRQ

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commit 9176bd205e upstream.

Avoid the driver missing IRQs by temporarily masking IRQs in the ISR
to enforce an edge even if a different IRQ is signalled before handled
IRQs are cleared.

Fixes: 48f827d4f4 ("can: kvaser_pciefd: Move reset of DMA RX buffers to the end of the ISR")
Cc: stable@vger.kernel.org
Signed-off-by: Axel Forsman <axfo@kvaser.com>
Tested-by: Jimmy Assarsson <extja@kvaser.com>
Reviewed-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250520114332.8961-2-axfo@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Axel Forsman 2025-05-20 13:43:30 +02:00 • committed by Greg Kroah-Hartman

parent df3f6d10f3

commit e3dfd77a7f

1 changed files with 38 additions and 43 deletions

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drivers/net/can/kvaser_pciefd.c

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