spi: Remove duplicate code to check chip_select

In spi_add_device(), we have the code to validate spi->chip_select.
So remove the duplicate code in various drivers.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c
index dd5bd468e962..0ae7f45e24a5 100644
--- a/drivers/spi/spi-falcon.c
+++ b/drivers/spi/spi-falcon.c
@@ -312,9 +312,6 @@ static int falcon_sflash_setup(struct spi_device *spi)
         unsigned int i;
         unsigned long flags;
 
-        if (spi->chip_select > 0)
-                return -ENODEV;
-
         spin_lock_irqsave(&ebu_lock, flags);
 
         if (spi->max_speed_hz >= CLOCK_100M) {