[MTD] [NAND] at91_nand.c: CMDLINE_PARTS support

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=693ef66d8914f50cb899b5268676ea508d1f3178
Commit:     693ef66d8914f50cb899b5268676ea508d1f3178
Parent:     1a12f46af1af1a4b7b9c7ae7ab2c8ded3481a4ba
Author:     Andrew Victor <andrew at sanpeople.com>
AuthorDate: Thu May 3 08:16:44 2007 +0200
Committer:  David Woodhouse <dwmw2 at infradead.org>
CommitDate: Thu May 3 07:40:41 2007 +0100

    [MTD] [NAND] at91_nand.c: CMDLINE_PARTS support
    
    This patch allows you to specify at91_nand partitions on the
    kernel command line using the mtdparts variable, if
    CONFIG_MTD_CMDLINE_PARTS is set.
    
    Signed-off-by: Frank Mandarino <fmandarino at endrelia.com>
    Signed-off-by: Andrew Victor <andrew at sanpeople.com>
    Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
 drivers/mtd/nand/at91_nand.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c
index 14b80cc..512e999 100644
--- a/drivers/mtd/nand/at91_nand.c
+++ b/drivers/mtd/nand/at91_nand.c
@@ -82,6 +82,10 @@ static void at91_nand_disable(struct at91_nand_host *host)
 		at91_set_gpio_value(host->board->enable_pin, 1);
 }
 
+#ifdef CONFIG_MTD_PARTITIONS
+const char *part_probes[] = { "cmdlinepart", NULL };
+#endif
+
 /*
  * Probe for the NAND device.
  */
@@ -151,6 +155,12 @@ static int __init at91_nand_probe(struct platform_device *pdev)
 #ifdef CONFIG_MTD_PARTITIONS
 	if (host->board->partition_info)
 		partitions = host->board->partition_info(mtd->size, &num_partitions);
+#ifdef CONFIG_MTD_CMDLINE_PARTS
+	else {
+		mtd->name = "at91_nand";
+		num_partitions = parse_mtd_partitions(mtd, part_probes, &partitions, 0);
+	}
+#endif
 
 	if ((!partitions) || (num_partitions == 0)) {
 		printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n");