From: Raphaël Poggi <poggi.raph@gmail.com>
Date: Tue, 29 Jul 2014 13:27:27 +0000 (+0200)
Subject: mtd: atmel_nand: increase chip_delay
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=796fe3648a13b311f5b9a125e2d2532a2ce7c78a;p=openwrt%2Fstaging%2Fblogic.git

mtd: atmel_nand: increase chip_delay

Some nand with 8k page size like Micron MT29F32G08ABAAAWP need more than 20us.

Signed-off-by: Raphaël Poggi <poggi.raph@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index e321c564ff05..77bd877d8f28 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -2099,7 +2099,7 @@ static int atmel_nand_probe(struct platform_device *pdev)
 	}
 
 	nand_chip->ecc.mode = host->board.ecc_mode;
-	nand_chip->chip_delay = 20;		/* 20us command delay time */
+	nand_chip->chip_delay = 40;		/* 40us command delay time */
 
 	if (host->board.bus_width_16)	/* 16-bit bus width */
 		nand_chip->options |= NAND_BUSWIDTH_16;