Michael Welling 50d6040375 spi: omap2-mcspi: Prevent duplicate gpio_request ...

commit 2f538c017e upstream.

Occasionally the setup function will be called multiple times. Only request
the gpio the first time otherwise -EBUSY will occur on subsequent calls to
setup.

Reported-by: Joseph Bell <joe@iachieved.it>

Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2016-03-03 15:07:10 -08:00

39 KiB

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