From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Fri, 23 Apr 2010 21:25:44 +0000 (+0200)
Subject: mtd: pxa32xx_nand: add support for partition table parsing
X-Git-Tag: v2.6.35-rc1~465^2~56
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bff3c10d369440bc87ba612b45ba2777d2bf017f;p=profile%2Fivi%2Fkernel-x86-ivi.git

mtd: pxa32xx_nand: add support for partition table parsing

The pxa32xx_nand driver doesn't support partition tables from the
command line. This patch adds support for it.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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 1a5a036..55a3d2c 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1319,6 +1319,17 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
 		goto fail_free_irq;
 	}
 
+	if (mtd_has_cmdlinepart()) {
+		static const char *probes[] = { "cmdlinepart", NULL };
+		struct mtd_partition *parts;
+		int nr_parts;
+
+		nr_parts = parse_mtd_partitions(mtd, probes, &parts, 0);
+
+		if (nr_parts)
+			return add_mtd_partitions(mtd, parts, nr_parts);
+	}
+
 	return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
 
 fail_free_irq: