[PATCH] mtd: denali: Disable sub-page writes in Denali NAND driver

dinguyen at opensource.altera.com dinguyen at opensource.altera.com
Wed Jan 14 07:38:50 PST 2015


From: Graham Moore <grmoore at opensource.altera.com>

The Denali Controller IP does not support sub-page writes.

Signed-off-by: Graham Moore <grmoore at opensource.altera.com>
Signed-off-by: Dinh Nguyen <dinguyen at opensource.altera.com>
---
 drivers/mtd/nand/denali.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index b3b7ca1..b16b040 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1565,6 +1565,9 @@ int denali_init(struct denali_nand_info *denali)
 	denali->nand.options |= NAND_SKIP_BBTSCAN;
 	denali->nand.ecc.mode = NAND_ECC_HW_SYNDROME;
 
+	/* no subpage writes on denali */
+	denali->nand.options |= NAND_NO_SUBPAGE_WRITE;
+
 	/*
 	 * Denali Controller only support 15bit and 8bit ECC in MRST,
 	 * so just let controller do 15bit ECC for MLC and 8bit ECC for
-- 
2.2.1




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