From 329ad399a9b3adf52c90637b21ca029fcf7f8795 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Fri, 23 Dec 2011 17:30:16 +0200 Subject: mtd: introduce mtd_read interface Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- arch/cris/arch-v32/drivers/axisflashmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/cris/arch-v32') diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index a2bde3744622..011bddbf073f 100644 --- a/arch/cris/arch-v32/drivers/axisflashmap.c +++ b/arch/cris/arch-v32/drivers/axisflashmap.c @@ -413,8 +413,8 @@ static int __init init_axis_flash(void) } while (blockstat && ptable_sector); #endif if (ptable_sector) { - main_mtd->read(main_mtd, ptable_sector, PAGESIZE, - &len, page); + mtd_read(main_mtd, ptable_sector, PAGESIZE, &len, + page); ptable_head = &((struct partitiontable *) page)->head; } -- cgit v1.2.3 From 7086c19d07429d697057587caf1e5e0345442d16 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Fri, 23 Dec 2011 19:35:30 +0200 Subject: mtd: introduce mtd_block_isbad interface Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- arch/cris/arch-v32/drivers/axisflashmap.c | 3 +-- drivers/mtd/inftlmount.c | 3 ++- drivers/mtd/mtdchar.c | 2 +- drivers/mtd/mtdconcat.c | 2 +- drivers/mtd/mtdoops.c | 4 ++-- drivers/mtd/mtdpart.c | 5 ++--- drivers/mtd/mtdswap.c | 4 ++-- drivers/mtd/nftlmount.c | 3 ++- drivers/mtd/redboot.c | 4 ++-- drivers/mtd/ssfdc.c | 4 ++-- drivers/mtd/tests/mtd_oobtest.c | 2 +- drivers/mtd/tests/mtd_pagetest.c | 2 +- drivers/mtd/tests/mtd_readtest.c | 2 +- drivers/mtd/tests/mtd_speedtest.c | 2 +- drivers/mtd/tests/mtd_stresstest.c | 2 +- drivers/mtd/tests/mtd_subpagetest.c | 2 +- drivers/mtd/tests/mtd_torturetest.c | 3 +-- drivers/mtd/ubi/io.c | 2 +- fs/jffs2/scan.c | 2 +- fs/logfs/dev_mtd.c | 4 ++-- include/linux/mtd/mtd.h | 7 ++++++- 21 files changed, 34 insertions(+), 30 deletions(-) (limited to 'arch/cris/arch-v32') diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index 011bddbf073f..b34438e026be 100644 --- a/arch/cris/arch-v32/drivers/axisflashmap.c +++ b/arch/cris/arch-v32/drivers/axisflashmap.c @@ -404,8 +404,7 @@ static int __init init_axis_flash(void) */ int blockstat; do { - blockstat = main_mtd->block_isbad(main_mtd, - ptable_sector); + blockstat = mtd_block_isbad(main_mtd, ptable_sector); if (blockstat < 0) ptable_sector = 0; /* read error */ else if (blockstat) diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c index 9bfbca5d88d6..38519401196b 100644 --- a/drivers/mtd/inftlmount.c +++ b/drivers/mtd/inftlmount.c @@ -306,7 +306,8 @@ static int find_boot_record(struct INFTLrecord *inftl) /* If any of the physical eraseblocks are bad, don't use the unit. */ for (physblock = 0; physblock < inftl->EraseSize; physblock += inftl->mbd.mtd->erasesize) { - if (inftl->mbd.mtd->block_isbad(inftl->mbd.mtd, i * inftl->EraseSize + physblock)) + if (mtd_block_isbad(inftl->mbd.mtd, + i * inftl->EraseSize + physblock)) inftl->PUtable[i] = BLOCK_RESERVED; } } diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 6d598b23cf3a..a499bf7a8214 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -886,7 +886,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) if (!mtd->block_isbad) ret = -EOPNOTSUPP; else - return mtd->block_isbad(mtd, offs); + return mtd_block_isbad(mtd, offs); break; } diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 4b7f825ce015..d0db5e61d5af 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -667,7 +667,7 @@ static int concat_block_isbad(struct mtd_info *mtd, loff_t ofs) continue; } - res = subdev->block_isbad(subdev, ofs); + res = mtd_block_isbad(subdev, ofs); break; } diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c index 7be2018ffbcc..bc43d2f7272c 100644 --- a/drivers/mtd/mtdoops.c +++ b/drivers/mtd/mtdoops.c @@ -170,7 +170,7 @@ static void mtdoops_workfunc_erase(struct work_struct *work) } while (mtd->block_isbad) { - ret = mtd->block_isbad(mtd, cxt->nextpage * record_size); + ret = mtd_block_isbad(mtd, cxt->nextpage * record_size); if (!ret) break; if (ret < 0) { @@ -254,7 +254,7 @@ static void find_next_position(struct mtdoops_context *cxt) for (page = 0; page < cxt->oops_pages; page++) { if (mtd->block_isbad && - mtd->block_isbad(mtd, page * record_size)) + mtd_block_isbad(mtd, page * record_size)) continue; /* Assume the page is used */ mark_page_used(cxt, page); diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 8610750852ac..0e7dfc79d337 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -322,7 +322,7 @@ static int part_block_isbad(struct mtd_info *mtd, loff_t ofs) if (ofs >= mtd->size) return -EINVAL; ofs += part->offset; - return part->master->block_isbad(part->master, ofs); + return mtd_block_isbad(part->master, ofs); } static int part_block_markbad(struct mtd_info *mtd, loff_t ofs) @@ -553,8 +553,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master, uint64_t offs = 0; while (offs < slave->mtd.size) { - if (master->block_isbad(master, - offs + slave->offset)) + if (mtd_block_isbad(master, offs + slave->offset)) slave->mtd.ecc_stats.badblocks++; offs += slave->mtd.erasesize; } diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c index cb794e761012..87aa0a6323c3 100644 --- a/drivers/mtd/mtdswap.c +++ b/drivers/mtd/mtdswap.c @@ -343,7 +343,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb) offset = mtdswap_eb_offset(d, eb); /* Check first if the block is bad. */ - if (d->mtd->block_isbad && d->mtd->block_isbad(d->mtd, offset)) + if (d->mtd->block_isbad && mtd_block_isbad(d->mtd, offset)) return MTDSWAP_SCANNED_BAD; ops.ooblen = 2 * d->mtd->ecclayout->oobavail; @@ -1061,7 +1061,7 @@ static unsigned int mtdswap_badblocks(struct mtd_info *mtd, uint64_t size) if (mtd->block_isbad) for (offset = 0; offset < size; offset += mtd->erasesize) - if (mtd->block_isbad(mtd, offset)) + if (mtd_block_isbad(mtd, offset)) badcnt++; return badcnt; diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c index b068dc8a3666..156af9f87961 100644 --- a/drivers/mtd/nftlmount.c +++ b/drivers/mtd/nftlmount.c @@ -242,7 +242,8 @@ The new DiskOnChip driver already scanned the bad block table. Just query it. if (buf[i & (SECTORSIZE - 1)] != 0xff) nftl->ReplUnitTable[i] = BLOCK_RESERVED; #endif - if (nftl->mbd.mtd->block_isbad(nftl->mbd.mtd, i * nftl->EraseSize)) + if (mtd_block_isbad(nftl->mbd.mtd, + i * nftl->EraseSize)) nftl->ReplUnitTable[i] = BLOCK_RESERVED; } diff --git a/drivers/mtd/redboot.c b/drivers/mtd/redboot.c index 623d9b86d0d9..09bb81ea3a7e 100644 --- a/drivers/mtd/redboot.c +++ b/drivers/mtd/redboot.c @@ -79,7 +79,7 @@ static int parse_redboot_partitions(struct mtd_info *master, if ( directory < 0 ) { offset = master->size + directory * master->erasesize; while (master->block_isbad && - master->block_isbad(master, offset)) { + mtd_block_isbad(master, offset)) { if (!offset) { nogood: printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n"); @@ -90,7 +90,7 @@ static int parse_redboot_partitions(struct mtd_info *master, } else { offset = directory * master->erasesize; while (master->block_isbad && - master->block_isbad(master, offset)) { + mtd_block_isbad(master, offset)) { offset += master->erasesize; if (offset == master->size) goto nogood; diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c index 0e6881338357..ab2a52a039c3 100644 --- a/drivers/mtd/ssfdc.c +++ b/drivers/mtd/ssfdc.c @@ -122,7 +122,7 @@ static int get_valid_cis_sector(struct mtd_info *mtd) * is not SSFDC formatted */ for (k = 0, offset = 0; k < 4; k++, offset += mtd->erasesize) { - if (!mtd->block_isbad(mtd, offset)) { + if (mtd_block_isbad(mtd, offset)) { ret = mtd_read(mtd, offset, SECTOR_SIZE, &retlen, sect_buf); @@ -255,7 +255,7 @@ static int build_logical_block_map(struct ssfdcr_record *ssfdc) for (phys_block = ssfdc->cis_block + 1; phys_block < ssfdc->map_len; phys_block++) { offset = (unsigned long)phys_block * ssfdc->erase_size; - if (mtd->block_isbad(mtd, offset)) + if (mtd_block_isbad(mtd, offset)) continue; /* skip bad blocks */ ret = read_raw_oob(mtd, offset, oob_buf); diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c index 81113885e086..ed9b62827f1b 100644 --- a/drivers/mtd/tests/mtd_oobtest.c +++ b/drivers/mtd/tests/mtd_oobtest.c @@ -329,7 +329,7 @@ static int is_block_bad(int ebnum) int ret; loff_t addr = ebnum * mtd->erasesize; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c index 83da97e54f97..8024eaf4c1ac 100644 --- a/drivers/mtd/tests/mtd_pagetest.c +++ b/drivers/mtd/tests/mtd_pagetest.c @@ -469,7 +469,7 @@ static int is_block_bad(int ebnum) loff_t addr = ebnum * mtd->erasesize; int ret; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_readtest.c b/drivers/mtd/tests/mtd_readtest.c index 5eaeada84284..ad5fd0df86ee 100644 --- a/drivers/mtd/tests/mtd_readtest.c +++ b/drivers/mtd/tests/mtd_readtest.c @@ -132,7 +132,7 @@ static int is_block_bad(int ebnum) loff_t addr = ebnum * mtd->erasesize; int ret; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c index c7b18e189082..ecb287847505 100644 --- a/drivers/mtd/tests/mtd_speedtest.c +++ b/drivers/mtd/tests/mtd_speedtest.c @@ -296,7 +296,7 @@ static int is_block_bad(int ebnum) loff_t addr = ebnum * mtd->erasesize; int ret; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_stresstest.c b/drivers/mtd/tests/mtd_stresstest.c index f8aac4b7e59a..4789c0ee3e9a 100644 --- a/drivers/mtd/tests/mtd_stresstest.c +++ b/drivers/mtd/tests/mtd_stresstest.c @@ -132,7 +132,7 @@ static int is_block_bad(int ebnum) loff_t addr = ebnum * mtd->erasesize; int ret; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c index b90c01036b49..4b873d49fe6a 100644 --- a/drivers/mtd/tests/mtd_subpagetest.c +++ b/drivers/mtd/tests/mtd_subpagetest.c @@ -344,7 +344,7 @@ static int is_block_bad(int ebnum) loff_t addr = ebnum * mtd->erasesize; int ret; - ret = mtd->block_isbad(mtd, addr); + ret = mtd_block_isbad(mtd, addr); if (ret) printk(PRINT_PREF "block %d is bad\n", ebnum); return ret; diff --git a/drivers/mtd/tests/mtd_torturetest.c b/drivers/mtd/tests/mtd_torturetest.c index dd34a519fa7a..30c4ed9855ec 100644 --- a/drivers/mtd/tests/mtd_torturetest.c +++ b/drivers/mtd/tests/mtd_torturetest.c @@ -292,8 +292,7 @@ static int __init tort_init(void) memset(&bad_ebs[0], 0, sizeof(int) * ebcnt); if (mtd->block_isbad) { for (i = eb; i < eb + ebcnt; i++) { - err = mtd->block_isbad(mtd, - (loff_t)i * mtd->erasesize); + err = mtd_block_isbad(mtd, (loff_t)i * mtd->erasesize); if (err < 0) { printk(PRINT_PREF "block_isbad() returned %d " diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 8d832fc9e9e4..a1b683ad639e 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -634,7 +634,7 @@ int ubi_io_is_bad(const struct ubi_device *ubi, int pnum) if (ubi->bad_allowed) { int ret; - ret = mtd->block_isbad(mtd, (loff_t)pnum * ubi->peb_size); + ret = mtd_block_isbad(mtd, (loff_t)pnum * ubi->peb_size); if (ret < 0) ubi_err("error %d while checking if PEB %d is bad", ret, pnum); diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 72f3960f44a9..83e1665e2574 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -455,7 +455,7 @@ static int jffs2_scan_eraseblock (struct jffs2_sb_info *c, struct jffs2_eraseblo if (jffs2_cleanmarker_oob(c)) { int ret; - if (c->mtd->block_isbad(c->mtd, jeb->offset)) + if (mtd_block_isbad(c->mtd, jeb->offset)) return BLK_STATE_BADBLOCK; ret = jffs2_check_nand_cleanmarker(c, jeb); diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c index 0ca7a07db6c1..136c7360a9b6 100644 --- a/fs/logfs/dev_mtd.c +++ b/fs/logfs/dev_mtd.c @@ -157,7 +157,7 @@ static struct page *logfs_mtd_find_first_sb(struct super_block *sb, u64 *ofs) return NULL; *ofs = 0; - while (mtd->block_isbad(mtd, *ofs)) { + while (mtd_block_isbad(mtd, *ofs)) { *ofs += mtd->erasesize; if (*ofs >= mtd->size) return NULL; @@ -177,7 +177,7 @@ static struct page *logfs_mtd_find_last_sb(struct super_block *sb, u64 *ofs) return NULL; *ofs = mtd->size - mtd->erasesize; - while (mtd->block_isbad(mtd, *ofs)) { + while (mtd_block_isbad(mtd, *ofs)) { *ofs -= mtd->erasesize; if (*ofs <= 0) return NULL; diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index d6b4aa177505..a307ad093a54 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -210,6 +210,7 @@ struct mtd_info { int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len); + int (*block_isbad) (struct mtd_info *mtd, loff_t ofs); int (*suspend) (struct mtd_info *mtd); void (*resume) (struct mtd_info *mtd); @@ -219,7 +220,6 @@ struct mtd_info { struct backing_dev_info *backing_dev_info; /* Bad block management functions */ - int (*block_isbad) (struct mtd_info *mtd, loff_t ofs); int (*block_markbad) (struct mtd_info *mtd, loff_t ofs); struct notifier_block reboot_notifier; /* default mode before reboot */ @@ -406,6 +406,11 @@ static inline void mtd_resume(struct mtd_info *mtd) mtd->resume(mtd); } +static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs) +{ + return mtd->block_isbad(mtd, ofs); +} + static inline struct mtd_info *dev_to_mtd(struct device *dev) { return dev ? dev_get_drvdata(dev) : NULL; -- cgit v1.2.3