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can: flexcan: flexcan_get_berr_counter(): switch on clocks before accessing ecr register
authorStefan Agner <stefan@agner.ch>
Tue, 15 Jul 2014 12:56:20 +0000 (14:56 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Sun, 17 Aug 2014 23:03:39 +0000 (01:03 +0200)
commit511544f049ca2f045ff7dd3728813fd05522d70e
tree3c7509c81a1ae6854a437a7d98f0df313e1e0565tree | snapshot
parente795e2d6402d650a9b102acefa428235e1710ce7commit | diff
can: flexcan: flexcan_get_berr_counter(): switch on clocks before accessing ecr register

The funcion flexcan_get_berr_counter() may be called from userspace even if the
interface is down, this the clocks are disabled. This patch switches on the
clocks before accessing the ecr register.

Reported-by: Ashutosh Singh <ashuleapyear@gmail.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/flexcan.c diff | blob | history
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