public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Raphael Poggi <poggi.raph@gmail.com>
To: dwmw2@infradead.org, computersforpeace@gmail.com,
	linux-mtd@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, Raphael Poggi <poggi.raph@gmail.com>
Subject: [PATCH] mtd: atmel_nand: increase chip_delay
Date: Tue, 29 Jul 2014 15:27:27 +0200	[thread overview]
Message-ID: <1406640447-9080-1-git-send-email-poggi.raph@gmail.com> (raw)

Some nand with 8k page size 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 e321c56..77bd877 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;
-- 
1.7.9.5


             reply	other threads:[~2014-07-29 13:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-29 13:27 Raphael Poggi [this message]
2014-07-30  9:36 ` [PATCH] mtd: atmel_nand: increase chip_delay Josh Wu
2014-08-04 21:17   ` Brian Norris

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1406640447-9080-1-git-send-email-poggi.raph@gmail.com \
    --to=poggi.raph@gmail.com \
    --cc=computersforpeace@gmail.com \
    --cc=dwmw2@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mtd@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox