Commit 693ef66d authored by Andrew Victor's avatar Andrew Victor Committed by David Woodhouse

[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: default avatarFrank Mandarino <fmandarino@endrelia.com>
Signed-off-by: default avatarAndrew Victor <andrew@sanpeople.com>
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent 1a12f46a
...@@ -82,6 +82,10 @@ static void at91_nand_disable(struct at91_nand_host *host) ...@@ -82,6 +82,10 @@ static void at91_nand_disable(struct at91_nand_host *host)
at91_set_gpio_value(host->board->enable_pin, 1); 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. * Probe for the NAND device.
*/ */
...@@ -151,6 +155,12 @@ static int __init at91_nand_probe(struct platform_device *pdev) ...@@ -151,6 +155,12 @@ static int __init at91_nand_probe(struct platform_device *pdev)
#ifdef CONFIG_MTD_PARTITIONS #ifdef CONFIG_MTD_PARTITIONS
if (host->board->partition_info) if (host->board->partition_info)
partitions = host->board->partition_info(mtd->size, &num_partitions); 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)) { if ((!partitions) || (num_partitions == 0)) {
printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n"); printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n");
......
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