can: tcan4x5x: Fix use of register error status mask
authorMarkus Schneider-Pargmann <msp@baylibre.com>
Tue, 6 Dec 2022 11:57:26 +0000 (12:57 +0100)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Mon, 12 Dec 2022 11:00:50 +0000 (12:00 +0100)
commit67727a17a6b375d68fe569b77e6516b034b834c0
tree23d8321e0d920452ec9b9df91cd573de9cadf7ef
parent40c9e4f676abbe194541d88e796341c92d5a13c0
can: tcan4x5x: Fix use of register error status mask

TCAN4X5X_ERROR_STATUS is not a status register that needs clearing
during interrupt handling. Instead this is a masking register that masks
error interrupts. Writing TCAN4X5X_CLEAR_ALL_INT to this register
effectively masks everything.

Rename the register and mask all error interrupts only once by writing
to the register in tcan4x5x_init.

Fixes: 5443c226ba91 ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/all/20221206115728.1056014-10-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/m_can/tcan4x5x-core.c