]> git.baikalelectronics.ru Git - kernel.git/commit
can: tcan4x5x: Remove invalid write in clear_interrupts
authorMarkus Schneider-Pargmann <msp@baylibre.com>
Tue, 6 Dec 2022 11:57:25 +0000 (12:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Jan 2023 10:41:15 +0000 (11:41 +0100)
commit500f4acad54cf7b23a28a32aca43753232aacac2
treeee48c0eb9c5cdb78162bff48dcee35ad1c0131e9
parentd12579757a6b635fc6f590934241d18d24ba4aaa
can: tcan4x5x: Remove invalid write in clear_interrupts

[ Upstream commit 40c9e4f676abbe194541d88e796341c92d5a13c0 ]

Register 0x824 TCAN4X5X_MCAN_INT_REG is a read-only register. Any writes
to this register do not have any effect.

Remove this write. The m_can driver aldready clears the interrupts in
m_can_isr() by writing to M_CAN_IR which is translated to register
0x1050 which is a writable version of this register.

Fixes: 727cb235a4a1 ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/all/20221206115728.1056014-9-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/can/m_can/tcan4x5x.c