From 5fa433942ba4e399f7e28764c9db4ade89e91d40 Mon Sep 17 00:00:00 2001 From: Joern Engel Date: Mon, 22 May 2006 23:18:29 +0200 Subject: [MTD] Introduce MTD_BIT_WRITEABLE o Add a flag MTD_BIT_WRITEABLE for devices that allow single bits to be cleared. o Replace MTD_PROGRAM_REGIONS with a cleared MTD_BIT_WRITEABLE flag for STMicro and Intel Sibley flashes with internal ECC. Those flashes disallow clearing of single bits, unlike regular NOR flashes, so the new flag models their behaviour better. o Remove MTD_ECC. After the STMicro/Sibley merge, this flag is only set and never checked. Signed-off-by: Joern Engel --- fs/jffs2/os-linux.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'fs/jffs2/os-linux.h') diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 1a6eb955e0be..743c9e52152d 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -105,9 +105,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) #ifdef CONFIG_JFFS2_SUMMARY #define jffs2_can_mark_obsolete(c) (0) #else -#define jffs2_can_mark_obsolete(c) \ - ((c->mtd->type == MTD_NORFLASH && !(c->mtd->flags & (MTD_PROGRAM_REGIONS))) || \ - c->mtd->type == MTD_RAM) +#define jffs2_can_mark_obsolete(c) (c->mtd->flags & (MTD_BIT_WRITEABLE)) #endif #define jffs2_cleanmarker_oob(c) (c->mtd->type == MTD_NANDFLASH) @@ -135,7 +133,7 @@ void jffs2_nand_flash_cleanup(struct jffs2_sb_info *c); int jffs2_dataflash_setup(struct jffs2_sb_info *c); void jffs2_dataflash_cleanup(struct jffs2_sb_info *c); -#define jffs2_nor_wbuf_flash(c) (c->mtd->type == MTD_NORFLASH && (c->mtd->flags & MTD_PROGRAM_REGIONS)) +#define jffs2_nor_wbuf_flash(c) (c->mtd->type == MTD_NORFLASH && ! (c->mtd->flags & MTD_BIT_WRITEABLE)) int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c); void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c); -- cgit