spi/bitbang: don't error out if there is no setup callback provided
It's perfectly valid not to have a setup callback when the probe routine
does all the needed things. So don't even check for this case and trust
the caller.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index a89178d..dd2e5d7 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -446,8 +446,7 @@
master->setup = spi_bitbang_setup;
master->cleanup = spi_bitbang_cleanup;
}
- } else if (!master->setup)
- return -EINVAL;
+ }
/* driver may get busy before register() returns, especially
* if someone registered boardinfo for devices