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From: Raphael Poggi <poggi.raph@gmail.com>
To: barebox@lists.infradead.org
Cc: Raphael Poggi <poggi.raph@gmail.com>
Subject: [PATCH 1/3 v2] mtd: atmel_nand: increase chip_delay
Date: Thu, 17 Jul 2014 14:12:19 +0200	[thread overview]
Message-ID: <1405599141-5992-2-git-send-email-poggi.raph@gmail.com> (raw)
In-Reply-To: <1405599141-5992-1-git-send-email-poggi.raph@gmail.com>

Some nand like Micron MT29F32G08ABAAAWP need more than 20us.

Signed-off-by: Raphaël Poggi <poggi.raph@gmail.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
---
 drivers/mtd/nand/atmel_nand.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 3161e89..a02f38f 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1162,7 +1162,7 @@ static int __init atmel_nand_probe(struct device_d *dev)
 		nand_chip->ecc.mode = NAND_ECC_HW;
 	}
 
-	nand_chip->chip_delay = 20;		/* 20us command delay time */
+	nand_chip->chip_delay = 40;		/* 40us command delay time */
 
 	if (IS_ENABLED(CONFIG_NAND_ECC_BCH) &&
 			pdata->ecc_mode == NAND_ECC_SOFT_BCH) {
-- 
1.7.9.5


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  reply	other threads:[~2014-07-17 12:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-17 12:12 [PATCH 0/3 v2] mtd: atmel_nand: add support for 8k page nand Raphael Poggi
2014-07-17 12:12 ` Raphael Poggi [this message]
2014-07-17 12:12 ` [PATCH 2/3 v2] mtd: atmel_nand: fix bit error correction Raphael Poggi
2014-07-17 12:12 ` [PATCH 3/3 v2] mtd: atmel_nand: enable PMECC for 8k page nand Raphael Poggi
2014-07-18  5:35 ` [PATCH 0/3 v2] mtd: atmel_nand: add support " Sascha Hauer

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