[U-Boot] [PATCH] Blackfin: bfin_spi: use same gpio cs define as Linux

Mike Frysinger vapier at gentoo.org
Mon Sep 20 23:58:45 CEST 2010


Linux uses an offset of 8 to switch from hardware cs to a gpio cs,
so have u-boot use the same value.  Also make sure it is public
for boards to access.

Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
 arch/blackfin/include/asm/config-pre.h |    3 +++
 drivers/spi/bfin_spi.c                 |    2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/include/asm/config-pre.h b/arch/blackfin/include/asm/config-pre.h
index 4531519..4ce67d4 100644
--- a/arch/blackfin/include/asm/config-pre.h
+++ b/arch/blackfin/include/asm/config-pre.h
@@ -71,6 +71,9 @@ static inline const char *get_bfin_boot_mode(int bfin_boot)
 # define BFIN_BOOT_SPI_SSEL 1
 #endif
 
+/* Define to get a GPIO CS with the Blackfin SPI controller */
+#define MAX_CTRL_CS 8
+
 /* There is no Blackfin/NetBSD port */
 #undef CONFIG_BOOTM_NETBSD
 
diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c
index e0ad029..556b97a 100644
--- a/drivers/spi/bfin_spi.c
+++ b/drivers/spi/bfin_spi.c
@@ -35,8 +35,6 @@ MAKE_SPI_FUNC(SPI_BAUD, 0x14)
 
 #define to_bfin_spi_slave(s) container_of(s, struct bfin_spi_slave, slave)
 
-#define MAX_CTRL_CS 7
-
 #define gpio_cs(cs) ((cs) - MAX_CTRL_CS)
 #ifdef CONFIG_BFIN_SPI_GPIO_CS
 # define is_gpio_cs(cs) ((cs) > MAX_CTRL_CS)
-- 
1.7.2.3



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