can: tcan4x5x: tcan4x5x_can_probe(): turn on the power before parsing the config

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The tcan4x5x_parse_config() function now performs action on the device
either reading or writing and a reset. If the devive has a switchable
power supppy (i.e. regulator is managed) it needs to be turned on.

So turn on the regulator if available. If the parsing fails, turn off
the regulator.

Fixes: 2de4973569 ("can: tcan45x: Make wake-up GPIO an optional GPIO")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

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Dan Murphy 2019-12-10 10:32:04 -06:00 • committed by Marc Kleine-Budde

parent 3069ce620d

commit 3814ca3a10

1 changed files with 10 additions and 7 deletions

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17

drivers/net/can/m_can/tcan4x5x.c

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