[U-Boot] [PATCH] nand_spl: Define nand_select function

Vikram Narayanan
2012-10-23T11:21:05Z

Split up the selection of nand_chip from nand_init to a separate
function. This is just to make it a little consistent as we've
nand_deselect function.

Also use it in spl_nand_load_image function.

Signed-off-by: Vikram Narayanan <vikram186@gmail.com>
Cc: Stefan Roese <sr@denx.de>
---
common/spl/spl_nand.c | 1 +
drivers/mtd/nand/nand_spl_simple.c | 6 +++++-
2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/common/spl/spl_nand.c b/common/spl/spl_nand.c
index 61de5a4..5ebeb38 100644
--- a/common/spl/spl_nand.c
+++ b/common/spl/spl_nand.c
@@ -34,6 +34,7 @@ void spl_nand_load_image(void)

debug("spl: nand - using hw ecc\n");
nand_init();
+ nand_select();

/*use CONFIG_SYS_TEXT_BASE as temporary storage area */
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c
index 4a4d02f..77c56fc 100644
--- a/drivers/mtd/nand/nand_spl_simple.c
+++ b/drivers/mtd/nand/nand_spl_simple.c
@@ -270,12 +270,16 @@ void nand_init(void)
nand_chip.ecc.correct = nand_correct_data;
}
#endif
+}

+/* Select before operation */
+void nand_select(void)
+{
if (nand_chip.select_chip)
nand_chip.select_chip(&mtd, 0);
}

-/* Unselect after operation */
+/* Deselect after operation */
void nand_deselect(void)
{
if (nand_chip.select_chip)
--
1.7.4.1