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authorRichard Cochran <richardcochran@gmail.com>2010-06-14 18:15:19 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-08-04 10:57:00 +0100
commit68640c2a416849ba8e0a69577d4be51a458a045a (patch)
treefe32f104bd5c53e549f8ac36c7b19f0d879d53d9 /drivers/mtd/maps
parent04dd0d3a9a33fdd8c3516db0fa85d9dba5610fc2 (diff)
mtd: ixp4xx: add support for static flash partitions
This patch adds support for static flash partitioning from a platform device. Also, we clean up some weirdness where statements were separated by commas instead of semicolons. While we are at it, fix some minor bad white space, too. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/ixp4xx.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index e0a5e0426ea..1f9fde0dad3 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -118,7 +118,7 @@ static void ixp4xx_copy_from(struct map_info *map, void *to,
*dest++ = BYTE1(data);
src += 2;
len -= 2;
- }
+ }
if (len > 0)
*dest++ = BYTE0(flash_read16(src));
@@ -185,6 +185,8 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
{
struct flash_platform_data *plat = dev->dev.platform_data;
struct ixp4xx_flash_info *info;
+ const char *part_type = NULL;
+ int nr_parts = 0;
int err = -1;
if (!plat)
@@ -218,9 +220,9 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
*/
info->map.bankwidth = 2;
info->map.name = dev_name(&dev->dev);
- info->map.read = ixp4xx_read16,
- info->map.write = ixp4xx_probe_write16,
- info->map.copy_from = ixp4xx_copy_from,
+ info->map.read = ixp4xx_read16;
+ info->map.write = ixp4xx_probe_write16;
+ info->map.copy_from = ixp4xx_copy_from;
info->res = request_mem_region(dev->resource->start,
resource_size(dev->resource),
@@ -248,11 +250,28 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
info->mtd->owner = THIS_MODULE;
/* Use the fast version */
- info->map.write = ixp4xx_write16,
+ info->map.write = ixp4xx_write16;
+
+#ifdef CONFIG_MTD_PARTITIONS
+ nr_parts = parse_mtd_partitions(info->mtd, probes, &info->partitions,
+ dev->resource->start);
+#endif
+ if (nr_parts > 0) {
+ part_type = "dynamic";
+ } else {
+ info->partitions = plat->parts;
+ nr_parts = plat->nr_parts;
+ part_type = "static";
+ }
+ if (nr_parts == 0) {
+ printk(KERN_NOTICE "IXP4xx flash: no partition info "
+ "available, registering whole flash\n");
+ err = add_mtd_device(info->mtd);
+ } else {
+ printk(KERN_NOTICE "IXP4xx flash: using %s partition "
+ "definition\n", part_type);
+ err = add_mtd_partitions(info->mtd, info->partitions, nr_parts);
- err = parse_mtd_partitions(info->mtd, probes, &info->partitions, dev->resource->start);
- if (err > 0) {
- err = add_mtd_partitions(info->mtd, info->partitions, err);
if(err)
printk(KERN_ERR "Could not parse partitions\n");
}