linux-kernel - [PATCH] mtd_dataflash: Fix probing of AT45DB321C chips.

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Date:	Wed, 4 Mar 2009 10:41:12 +0000
From:	Will Newton <will.newton@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Brownell <david-b@...bell.net>,
	David Woodhouse <David.Woodhouse@...el.com>
Subject: [PATCH] mtd_dataflash: Fix probing of AT45DB321C chips.

Commit 771999b65f79264acde4b855e5d35696eca5e80c broke support for probing
AT45DB321C flash chips. These chips do not support the "page size" status
bit, so if we match the JEDEC id return early.

Signed-off-by: Will Newton <will.newton@...il.com>
---
 drivers/mtd/devices/mtd_dataflash.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/devices/mtd_dataflash.c
b/drivers/mtd/devices/mtd_dataflash.c
index d44f741..cd4781f 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -822,6 +822,8 @@ static struct flash_info *__devinit
jedec_probe(struct spi_device *spi)
 						return info;
 				}
 			}
+			else
+				return info;
 		}
 	}

-- 
1.5.5.2

Download attachment "0001-mtd_dataflash-Fix-probing-of-AT45DB321C-chips.patch" of type "application/octet-stream" (942 bytes)