From: Raphael Poggi <poggi.raph@gmail.com>
To: barebox@lists.infradead.org
Cc: Raphael Poggi <poggi.raph@gmail.com>
Subject: [PATCH 1/2] mtd: atmel_nand: increase chip_delay
Date: Thu, 17 Jul 2014 10:51:34 +0200 [thread overview]
Message-ID: <1405587095-23308-2-git-send-email-poggi.raph@gmail.com> (raw)
In-Reply-To: <1405587095-23308-1-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>
---
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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next prev parent reply other threads:[~2014-07-17 8:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-17 8:51 [PATCH 0/2] mtd: atmel_nand: add support for 8k page nand Raphael Poggi
2014-07-17 8:51 ` Raphael Poggi [this message]
2014-07-17 10:02 ` [PATCH 1/2] mtd: atmel_nand: increase chip_delay Bo Shen
2014-07-17 8:51 ` [PATCH 2/2] mtd: atmel_nand: enable PMECC for 8k page nand Raphael Poggi
2014-07-17 10:05 ` Bo Shen
2014-07-17 11:45 ` Raphaël Poggi
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