From 7219778ad9c18cc2c05c7fca0abe026afbc19dfb Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Fri, 23 Dec 2011 17:05:52 +0200 Subject: mtd: introduce mtd_unpoint interface Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- drivers/mtd/mtdpart.c | 2 +- fs/jffs2/erase.c | 4 ++-- fs/jffs2/readinode.c | 6 +++--- fs/jffs2/scan.c | 4 ++-- include/linux/mtd/mtd.h | 8 ++++++-- 5 files changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 5b664722e5b0..b09624a5497c 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -97,7 +97,7 @@ static void part_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { struct mtd_part *part = PART(mtd); - part->master->unpoint(part->master, from + part->offset, len); + mtd_unpoint(part->master, from + part->offset, len); } static unsigned long part_get_unmapped_area(struct mtd_info *mtd, diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index 53f8794fda6a..ffdf4fca9c54 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -349,7 +349,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl if (retlen < c->sector_size) { /* Don't muck about if it won't let us point to the whole erase sector */ D1(printk(KERN_DEBUG "MTD point returned len too short: 0x%zx\n", retlen)); - c->mtd->unpoint(c->mtd, jeb->offset, retlen); + mtd_unpoint(c->mtd, jeb->offset, retlen); goto do_flash_read; } wordebuf = ebuf-sizeof(*wordebuf); @@ -358,7 +358,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl if (*++wordebuf != ~0) break; } while(--retlen); - c->mtd->unpoint(c->mtd, jeb->offset, c->sector_size); + mtd_unpoint(c->mtd, jeb->offset, c->sector_size); if (retlen) { printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08tx\n", *wordebuf, jeb->offset + c->sector_size-retlen*sizeof(*wordebuf)); diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index dde61effeda2..fca2f84e1add 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -67,7 +67,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info NULL); if (!err && retlen < len) { JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize); - c->mtd->unpoint(c->mtd, ofs, retlen); + mtd_unpoint(c->mtd, ofs, retlen); } else if (err) JFFS2_WARNING("MTD point failed: error code %d.\n", err); else @@ -101,7 +101,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info kfree(buffer); #ifndef __ECOS else - c->mtd->unpoint(c->mtd, ofs, len); + mtd_unpoint(c->mtd, ofs, len); #endif if (crc != tn->data_crc) { @@ -137,7 +137,7 @@ free_out: kfree(buffer); #ifndef __ECOS else - c->mtd->unpoint(c->mtd, ofs, len); + mtd_unpoint(c->mtd, ofs, len); #endif return err; } diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 53e05c8e5b69..72f3960f44a9 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -102,7 +102,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c) if (!ret && pointlen < c->mtd->size) { /* Don't muck about if it won't let us point to the whole flash */ D1(printk(KERN_DEBUG "MTD point returned len too short: 0x%zx\n", pointlen)); - c->mtd->unpoint(c->mtd, 0, pointlen); + mtd_unpoint(c->mtd, 0, pointlen); flashbuf = NULL; } if (ret) @@ -273,7 +273,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c) kfree(flashbuf); #ifndef __ECOS else - c->mtd->unpoint(c->mtd, 0, c->mtd->size); + mtd_unpoint(c->mtd, 0, c->mtd->size); #endif kfree(s); return ret; diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index ca7bfdaf7a6f..a7d22b7fcb4c 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -177,8 +177,6 @@ struct mtd_info { int (*erase) (struct mtd_info *mtd, struct erase_info *instr); int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys); - - /* We probably shouldn't allow XIP if the unpoint isn't a NULL */ void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len); /* Allow NOMMU mmap() to directly map the device (if not NULL) @@ -289,6 +287,12 @@ static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, return mtd->point(mtd, from, len, retlen, virt, phys); } +/* We probably shouldn't allow XIP if the unpoint isn't a NULL */ +static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +{ + return mtd->unpoint(mtd, from, len); +} + static inline struct mtd_info *dev_to_mtd(struct device *dev) { return dev ? dev_get_drvdata(dev) : NULL; -- cgit v1.2.3-58-ga151