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Message-Id: <1308794413-11069-8-git-send-email-dirk.brandewie@gmail.com>
Date: Wed, 22 Jun 2011 19:00:09 -0700
From: dirk.brandewie@...il.com
To: linux-kernel@...r.kernel.org,
spi-devel-general@...ts.sourceforge.net
Cc: Dirk Brandewie <dirk.brandewie@...il.com>
Subject: [PATCH 07/11] spi-dw: Set number of available chip selects correctly
From: Dirk Brandewie <dirk.brandewie@...il.com>
Only four chip selects are available directly off the pins of the
master.
Signed-off-by: Dirk Brandewie <dirk.brandewie@...il.com>
---
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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