--- /tmp/build_dir/linux-atheros/linux-2.6.30.10/arch/mips/ar231x/ar2315.c	2010-08-08 15:52:43.005477443 +0200
+++ build_dir/linux-atheros/linux-2.6.30.10/arch/mips/ar231x/ar2315.c	2010-08-08 15:56:06.009475860 +0200
@@ -407,6 +407,7 @@
 #define SPI_GPIO_SCK  3
 #define SPI_GPIO_MOSI 2
 #define SPI_GPIO_MISO 1
+#define SPI_GPIO_CS   6
 
 static struct spi_gpio_platform_data ar2315_spi_gpio_platform_data = {
 	.sck  = SPI_GPIO_SCK,
@@ -426,7 +427,7 @@
 static struct spi_board_info ar2315_spi_gpio_board_info[] __initdata = {
 {
 	.modalias        = "spidev",
-	.controller_data = (void *) SPI_GPIO_NO_CHIPSELECT,
+	.controller_data = (void *) SPI_GPIO_CS,
 	.mode            = SPI_MODE_0,
 	.max_speed_hz    = 10000000,   /* 10kHz */
 	.bus_num         = 0,