[PATCH 07/11] spi-dw: Set number of available chip selects correctly

[dirk . brandewie]

From: Dirk Brandewie <dirk.brandewie@xxxxxxxxx>

Only four chip selects are available directly off the pins of the
master.

Signed-off-by: Dirk Brandewie <dirk.brandewie@xxxxxxxxx>
---
 drivers/spi/spi-dw-mid.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index 78e64d3..1d11268 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -211,7 +211,9 @@ int spi_dw_mid_init(struct spi_dw *dws)
 	dws->max_freq = MRST_SPI_CLK_BASE / (clk_cdiv + 1);
 	iounmap(clk_reg);
 
-	dws->num_cs = 16;
+	dws->num_cs = 4;        /* spi_dw_chip_sel() bits 0-3 are
+				 * valid in the slave enable register
+				 */
 	dws->fifo_len = 40;	/* FIFO has 40 words buffer */
 
 #ifdef CONFIG_SPI_DW_MID_DMA
-- 
1.7.3.4

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