From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 10:59:52 +0000 (+0200)
Subject: [MTD] [NAND] pxa3xx_nand: added warning which tells id of detected NAND
X-Git-Tag: v2.6.28-rc1~105^2~30
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2675e9447bb5c861dbd29c5fe55b7ce2ad3ff0f5;p=linux-2.6-omap-h63xx.git

[MTD] [NAND] pxa3xx_nand: added warning which tells id of detected NAND

Minor patch to help debugging of NAND detection.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index bc37f551edf..c0fa9c9edf0 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -924,7 +924,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 				    const struct pxa3xx_nand_platform_data *pdata)
 {
 	const struct pxa3xx_nand_flash *f;
-	uint32_t id;
+	uint32_t id = -1;
 	int i;
 
 	for (i = 0; i<pdata->num_flash; ++i) {
@@ -956,6 +956,9 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 	}
 #endif
 
+	dev_warn(&info->pdev->dev,
+		 "failed to detect configured nand flash; found %04x instead of\n",
+		 id);
 	return -ENODEV;
 }