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authorH Hartley Sweeten <hsweeten@visionengravers.com>2009-05-12 13:46:59 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-06-05 18:11:55 +0100
commitf36e20c01ad0104688f2eaebdf2213e749929c97 (patch)
tree40e82b3977e792464e7ab9b1f0cf402feec309e9 /drivers/mtd/nand
parentbf95efd41b1a760128eb25402791b0a4941eb655 (diff)
mtd: plat_nand: allow platform to set partitions
Add optional callback to allow platform to initialize partitions. Static partitions on a nand device could vary depending on the size of the device. This patch allows an optional platform callback to be used to setup this partition information at runtime. Scan order is: 1) chip.part_probe_types 2) chip.set_parts 3) chip.partitions 4) full mtd device (fallback for no partitions) Some of the existing nand drivers could possibly be replaced by the plat_nand driver by using this patch. These include autcpu12.c and ts7250.c drivers. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/plat_nand.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
index 22e0ce78841..4e16c6f5bdd 100644
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -95,6 +95,8 @@ static int __devinit plat_nand_probe(struct platform_device *pdev)
return 0;
}
}
+ if (pdata->chip.set_parts)
+ pdata->chip.set_parts(data->mtd.size, &pdata->chip);
if (pdata->chip.partitions) {
data->parts = pdata->chip.partitions;
res = add_mtd_partitions(&data->mtd, data->parts,