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, 2 deletions

diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 9da14f2e2818..593e823d6c21 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -760,8 +760,6 @@ static int tegra_slink_setup(struct spi_device *spi)
                 spi->mode & SPI_CPHA ? "" : "~",
                 spi->max_speed_hz);
 
-        BUG_ON(spi->chip_select >= MAX_CHIP_SELECT);
-
         ret = pm_runtime_get_sync(tspi->dev);
         if (ret < 0) {
                 dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret);