can: mcp251x: read-modify-write eflag only when needed

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Use read-modify-write instead of a simple write to change the register
contents, to close existing the race window between the original manual
read and write.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>

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Sascha Hauer 2010-09-28 10:00:47 +02:00 • committed by Marc Kleine-Budde

parent f3a3ed3115

commit 7e15de3a73

1 changed files with 2 additions and 1 deletions

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drivers/net/can/mcp251x.c

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