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Message-ID: <1421249930-21229-1-git-send-email-dinguyen@opensource.altera.com>
Date: Wed, 14 Jan 2015 09:38:50 -0600
From: <dinguyen@...nsource.altera.com>
To: <computersforpeace@...il.com>
CC: <dinh.linux@...il.com>, <dwmw2@...radead.org>,
<yamada.m@...panasonic.com>, <josh@...htriplett.org>,
<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
Graham Moore <grmoore@...nsource.altera.com>,
Dinh Nguyen <dinguyen@...nsource.altera.com>
Subject: [PATCH] mtd: denali: Disable sub-page writes in Denali NAND driver
From: Graham Moore <grmoore@...nsource.altera.com>
The Denali Controller IP does not support sub-page writes.
Signed-off-by: Graham Moore <grmoore@...nsource.altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@...nsource.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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