diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 16 | ||||
-rw-r--r-- | drivers/mtd/devices/mtdram.c | 3 | ||||
-rw-r--r-- | drivers/mtd/devices/phram.c | 3 | ||||
-rw-r--r-- | drivers/mtd/devices/pmc551.c | 3 | ||||
-rw-r--r-- | drivers/mtd/devices/slram.c | 5 | ||||
-rw-r--r-- | drivers/mtd/lpddr/lpddr_cmds.c | 12 | ||||
-rw-r--r-- | drivers/mtd/mtdpart.c | 4 |
7 files changed, 29 insertions, 17 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 152accf4bf8..4d04551cffd 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -87,7 +87,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *, struct cfi_private ** static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys); -static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len); +static int cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len); static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode); static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode); @@ -1369,12 +1369,12 @@ static int cfi_intelext_point(struct mtd_info *mtd, loff_t from, size_t len, return 0; } -static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { struct map_info *map = mtd->priv; struct cfi_private *cfi = map->fldrv_priv; unsigned long ofs; - int chipnum; + int chipnum, err = 0; /* Now unlock the chip(s) POINT state */ @@ -1382,7 +1382,7 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) chipnum = (from >> cfi->chipshift); ofs = from - (chipnum << cfi->chipshift); - while (len) { + while (len && !err) { unsigned long thislen; struct flchip *chip; @@ -1400,8 +1400,10 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) chip->ref_point_counter--; if(chip->ref_point_counter == 0) chip->state = FL_READY; - } else - printk(KERN_ERR "%s: Warning: unpoint called on non pointed region\n", map->name); /* Should this give an error? */ + } else { + printk(KERN_ERR "%s: Error: unpoint called on non pointed region\n", map->name); + err = -EINVAL; + } put_chip(map, chip, chip->start); mutex_unlock(&chip->mutex); @@ -1410,6 +1412,8 @@ static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len) ofs = 0; chipnum++; } + + return err; } static inline int do_read_onechip(struct map_info *map, struct flchip *chip, loff_t adr, size_t len, u_char *buf) diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c index 91030cfb03b..e1f017bf077 100644 --- a/drivers/mtd/devices/mtdram.c +++ b/drivers/mtd/devices/mtdram.c @@ -60,8 +60,9 @@ static int ram_point(struct mtd_info *mtd, loff_t from, size_t len, return 0; } -static void ram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int ram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { + return 0; } /* diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index eff2b69864f..38035551a7d 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -70,8 +70,9 @@ static int phram_point(struct mtd_info *mtd, loff_t from, size_t len, return 0; } -static void phram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int phram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { + return 0; } static int phram_read(struct mtd_info *mtd, loff_t from, size_t len, diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c index 67d22e1cbc0..933127ecebe 100644 --- a/drivers/mtd/devices/pmc551.c +++ b/drivers/mtd/devices/pmc551.c @@ -206,11 +206,12 @@ static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, return 0; } -static void pmc551_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int pmc551_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { #ifdef CONFIG_MTD_PMC551_DEBUG printk(KERN_DEBUG "pmc551_unpoint()\n"); #endif + return 0; } static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len, diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index cbeb19522bb..9431ffc761c 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -76,7 +76,7 @@ static slram_mtd_list_t *slram_mtdlist = NULL; static int slram_erase(struct mtd_info *, struct erase_info *); static int slram_point(struct mtd_info *, loff_t, size_t, size_t *, void **, resource_size_t *); -static void slram_unpoint(struct mtd_info *, loff_t, size_t); +static int slram_unpoint(struct mtd_info *, loff_t, size_t); static int slram_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int slram_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); @@ -119,8 +119,9 @@ static int slram_point(struct mtd_info *mtd, loff_t from, size_t len, return(0); } -static void slram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int slram_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { + return 0; } static int slram_read(struct mtd_info *mtd, loff_t from, size_t len, diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c index fd19d3b1ee9..de960b1d395 100644 --- a/drivers/mtd/lpddr/lpddr_cmds.c +++ b/drivers/mtd/lpddr/lpddr_cmds.c @@ -40,7 +40,7 @@ static int lpddr_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len); static int lpddr_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len); static int lpddr_point(struct mtd_info *mtd, loff_t adr, size_t len, size_t *retlen, void **mtdbuf, resource_size_t *phys); -static void lpddr_unpoint(struct mtd_info *mtd, loff_t adr, size_t len); +static int lpddr_unpoint(struct mtd_info *mtd, loff_t adr, size_t len); static int get_chip(struct map_info *map, struct flchip *chip, int mode); static int chip_ready(struct map_info *map, struct flchip *chip, int mode); static void put_chip(struct map_info *map, struct flchip *chip); @@ -575,11 +575,11 @@ static int lpddr_point(struct mtd_info *mtd, loff_t adr, size_t len, return 0; } -static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len) +static int lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len) { struct map_info *map = mtd->priv; struct lpddr_private *lpddr = map->fldrv_priv; - int chipnum = adr >> lpddr->chipshift; + int chipnum = adr >> lpddr->chipshift, err = 0; unsigned long ofs; /* ofs: offset within the first chip that the first read should start */ @@ -603,9 +603,11 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len) chip->ref_point_counter--; if (chip->ref_point_counter == 0) chip->state = FL_READY; - } else + } else { printk(KERN_WARNING "%s: Warning: unpoint called on non" "pointed region\n", map->name); + err = -EINVAL; + } put_chip(map, chip); mutex_unlock(&chip->mutex); @@ -614,6 +616,8 @@ static void lpddr_unpoint (struct mtd_info *mtd, loff_t adr, size_t len) ofs = 0; chipnum++; } + + return err; } static int lpddr_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 4f01079e357..da8a0b28316 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -92,11 +92,11 @@ static int part_point(struct mtd_info *mtd, loff_t from, size_t len, virt, phys); } -static void part_unpoint(struct mtd_info *mtd, loff_t from, size_t len) +static int part_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { struct mtd_part *part = PART(mtd); - mtd_unpoint(part->master, from + part->offset, len); + return mtd_unpoint(part->master, from + part->offset, len); } static unsigned long part_get_unmapped_area(struct mtd_info *mtd, |