regulator, mc13xxx: Remove pointless test for unsigned less than zero
The variable 'val' is a 'unsigned int', so it can never be less than zero. This fact makes the "val < 0" part of the test done in BUG_ON() in mc13xxx_regulator_get_voltage() rather pointles since it can never have any effect. This patch removes the pointless test. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by: Alberto Panizzo <maramaopercheseimorto@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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