spi/bcm63xx: always use a fixed number of CS

We always pass 8 for the number of chip selects, so we can as well
hardcode it to this number.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-bcm63xx.c

@@ -31,6 +31,8 @@
 
 #define BCM63XX_SPI_MAX_PREPEND		15
 
+#define BCM63XX_SPI_MAX_CS		8
+
 struct bcm63xx_spi {
 	struct completion	done;
 
@@ -368,7 +370,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 	}
 
 	master->bus_num = pdata->bus_num;
-	master->num_chipselect = pdata->num_chipselect;
+	master->num_chipselect = BCM63XX_SPI_MAX_CS;
 	master->transfer_one_message = bcm63xx_spi_transfer_one;
 	master->mode_bits = MODEBITS;
 	master->bits_per_word_mask = SPI_BPW_MASK(8);