spi: a3700: make a3700_spi_init() return void
Fix the following coccicheck warning: drivers/spi/spi-armada-3700.c:283:8-11: Unneeded variable: "ret". Return "0" on line 315 Signed-off-by: Jason Yan <yanaijie@huawei.com> Link: https://lore.kernel.org/r/20200506061911.19923-1-yanaijie@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>
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