From e0b80e41eb0b24e76285b9355725d2f4f66ada50 Mon Sep 17 00:00:00 2001 From: juhosg Date: Sun, 22 Jan 2012 22:38:19 +0000 Subject: ar71xx: add initial support for 3.2 Tested on the following boards: ALFA AP96 TL-MR3220 v1 TL-WR1043ND v1 TL-WR2543ND v1 TL-WR703N v1 TL-WR741ND v1 TL-WR741ND v4 WNDR3700 v1 WZR-HP-G300NH git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../401-mtd-physmap-add-lock-unlock.patch | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 target/linux/ar71xx/patches-3.2/401-mtd-physmap-add-lock-unlock.patch (limited to 'target/linux/ar71xx/patches-3.2/401-mtd-physmap-add-lock-unlock.patch') diff --git a/target/linux/ar71xx/patches-3.2/401-mtd-physmap-add-lock-unlock.patch b/target/linux/ar71xx/patches-3.2/401-mtd-physmap-add-lock-unlock.patch new file mode 100644 index 000000000..61c3384eb --- /dev/null +++ b/target/linux/ar71xx/patches-3.2/401-mtd-physmap-add-lock-unlock.patch @@ -0,0 +1,94 @@ +--- a/drivers/mtd/maps/physmap.c ++++ b/drivers/mtd/maps/physmap.c +@@ -29,6 +29,66 @@ struct physmap_flash_info { + struct map_info map[MAX_RESOURCES]; + }; + ++static struct platform_device *physmap_map2pdev(struct map_info *map) ++{ ++ return (struct platform_device *) map->map_priv_1; ++} ++ ++static void physmap_lock(struct map_info *map) ++{ ++ struct platform_device *pdev; ++ struct physmap_flash_data *physmap_data; ++ ++ pdev = physmap_map2pdev(map); ++ physmap_data = pdev->dev.platform_data; ++ physmap_data->lock(pdev); ++} ++ ++static void physmap_unlock(struct map_info *map) ++{ ++ struct platform_device *pdev; ++ struct physmap_flash_data *physmap_data; ++ ++ pdev = physmap_map2pdev(map); ++ physmap_data = pdev->dev.platform_data; ++ physmap_data->unlock(pdev); ++} ++ ++static map_word physmap_flash_read_lock(struct map_info *map, unsigned long ofs) ++{ ++ map_word ret; ++ ++ physmap_lock(map); ++ ret = inline_map_read(map, ofs); ++ physmap_unlock(map); ++ ++ return ret; ++} ++ ++static void physmap_flash_write_lock(struct map_info *map, map_word d, ++ unsigned long ofs) ++{ ++ physmap_lock(map); ++ inline_map_write(map, d, ofs); ++ physmap_unlock(map); ++} ++ ++static void physmap_flash_copy_from_lock(struct map_info *map, void *to, ++ unsigned long from, ssize_t len) ++{ ++ physmap_lock(map); ++ inline_map_copy_from(map, to, from, len); ++ physmap_unlock(map); ++} ++ ++static void physmap_flash_copy_to_lock(struct map_info *map, unsigned long to, ++ const void *from, ssize_t len) ++{ ++ physmap_lock(map); ++ inline_map_copy_to(map, to, from, len); ++ physmap_unlock(map); ++} ++ + static int physmap_flash_remove(struct platform_device *dev) + { + struct physmap_flash_info *info; +@@ -140,6 +200,13 @@ static int physmap_flash_probe(struct pl + + simple_map_init(&info->map[i]); + ++ if (physmap_data->lock && physmap_data->unlock) { ++ info->map[i].read = physmap_flash_read_lock; ++ info->map[i].write = physmap_flash_write_lock; ++ info->map[i].copy_from = physmap_flash_copy_from_lock; ++ info->map[i].copy_to = physmap_flash_copy_to_lock; ++ } ++ + probe_type = rom_probe_types; + if (physmap_data->probe_type == NULL) { + for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) +--- a/include/linux/mtd/physmap.h ++++ b/include/linux/mtd/physmap.h +@@ -26,6 +26,8 @@ struct physmap_flash_data { + unsigned int width; + int (*init)(struct platform_device *); + void (*exit)(struct platform_device *); ++ void (*lock)(struct platform_device *); ++ void (*unlock)(struct platform_device *); + void (*set_vpp)(struct platform_device *, int); + unsigned int nr_parts; + unsigned int pfow_base; -- cgit v1.2.3