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-rw-r--r--drivers/mtd/Kconfig19
-rw-r--r--drivers/mtd/Makefile2
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c55
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c116
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0020.c1
-rw-r--r--drivers/mtd/chips/cfi_util.c2
-rw-r--r--drivers/mtd/chips/fwh_lock.h2
-rw-r--r--drivers/mtd/devices/m25p80.c39
-rw-r--r--drivers/mtd/devices/sst25l.c4
-rw-r--r--drivers/mtd/maps/amd76xrom.c7
-rw-r--r--drivers/mtd/maps/bcm963xx-flash.c5
-rw-r--r--drivers/mtd/maps/ck804xrom.c7
-rw-r--r--drivers/mtd/maps/esb2rom.c9
-rw-r--r--drivers/mtd/maps/ichxrom.c9
-rw-r--r--drivers/mtd/maps/physmap_of.c4
-rw-r--r--drivers/mtd/maps/scx200_docflash.c5
-rw-r--r--drivers/mtd/maps/tqm8xxl.c2
-rw-r--r--drivers/mtd/mtdchar.c10
-rw-r--r--drivers/mtd/mtdconcat.c1
-rw-r--r--drivers/mtd/mtdoops.c3
-rw-r--r--drivers/mtd/mtdpart.c30
-rw-r--r--drivers/mtd/nand/Kconfig1
-rw-r--r--drivers/mtd/nand/ams-delta.c80
-rw-r--r--drivers/mtd/nand/fsl_elbc_nand.c2
-rw-r--r--drivers/mtd/nand/fsmc_nand.c89
-rw-r--r--drivers/mtd/nand/jz4740_nand.c57
-rw-r--r--drivers/mtd/nand/mxc_nand.c2
-rw-r--r--drivers/mtd/nand/nand_base.c25
-rw-r--r--drivers/mtd/nand/nand_bbt.c3
-rw-r--r--drivers/mtd/nand/nandsim.c39
-rw-r--r--drivers/mtd/nand/pasemi_nand.c2
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c2
-rw-r--r--drivers/mtd/nand/txx9ndfmc.c5
-rw-r--r--drivers/mtd/onenand/omap2.c80
-rw-r--r--drivers/mtd/onenand/onenand_base.c81
-rw-r--r--drivers/mtd/onenand/onenand_bbt.c10
-rw-r--r--drivers/mtd/onenand/samsung.c7
-rw-r--r--drivers/mtd/ubi/build.c28
-rw-r--r--drivers/mtd/ubi/vtbl.c6
39 files changed, 535 insertions, 316 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index b1f768917395..77414702cb00 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -53,9 +53,10 @@ config MTD_PARTITIONS
53 devices. Partitioning on NFTL 'devices' is a different - that's the 53 devices. Partitioning on NFTL 'devices' is a different - that's the
54 'normal' form of partitioning used on a block device. 54 'normal' form of partitioning used on a block device.
55 55
56if MTD_PARTITIONS
57
56config MTD_REDBOOT_PARTS 58config MTD_REDBOOT_PARTS
57 tristate "RedBoot partition table parsing" 59 tristate "RedBoot partition table parsing"
58 depends on MTD_PARTITIONS
59 ---help--- 60 ---help---
60 RedBoot is a ROM monitor and bootloader which deals with multiple 61 RedBoot is a ROM monitor and bootloader which deals with multiple
61 'images' in flash devices by putting a table one of the erase 62 'images' in flash devices by putting a table one of the erase
@@ -72,9 +73,10 @@ config MTD_REDBOOT_PARTS
72 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for 73 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
73 example. 74 example.
74 75
76if MTD_REDBOOT_PARTS
77
75config MTD_REDBOOT_DIRECTORY_BLOCK 78config MTD_REDBOOT_DIRECTORY_BLOCK
76 int "Location of RedBoot partition table" 79 int "Location of RedBoot partition table"
77 depends on MTD_REDBOOT_PARTS
78 default "-1" 80 default "-1"
79 ---help--- 81 ---help---
80 This option is the Linux counterpart to the 82 This option is the Linux counterpart to the
@@ -91,18 +93,18 @@ config MTD_REDBOOT_DIRECTORY_BLOCK
91 93
92config MTD_REDBOOT_PARTS_UNALLOCATED 94config MTD_REDBOOT_PARTS_UNALLOCATED
93 bool "Include unallocated flash regions" 95 bool "Include unallocated flash regions"
94 depends on MTD_REDBOOT_PARTS
95 help 96 help
96 If you need to register each unallocated flash region as a MTD 97 If you need to register each unallocated flash region as a MTD
97 'partition', enable this option. 98 'partition', enable this option.
98 99
99config MTD_REDBOOT_PARTS_READONLY 100config MTD_REDBOOT_PARTS_READONLY
100 bool "Force read-only for RedBoot system images" 101 bool "Force read-only for RedBoot system images"
101 depends on MTD_REDBOOT_PARTS
102 help 102 help
103 If you need to force read-only for 'RedBoot', 'RedBoot Config' and 103 If you need to force read-only for 'RedBoot', 'RedBoot Config' and
104 'FIS directory' images, enable this option. 104 'FIS directory' images, enable this option.
105 105
106endif # MTD_REDBOOT_PARTS
107
106config MTD_CMDLINE_PARTS 108config MTD_CMDLINE_PARTS
107 bool "Command line partition table parsing" 109 bool "Command line partition table parsing"
108 depends on MTD_PARTITIONS = "y" && MTD = "y" 110 depends on MTD_PARTITIONS = "y" && MTD = "y"
@@ -142,7 +144,7 @@ config MTD_CMDLINE_PARTS
142 144
143config MTD_AFS_PARTS 145config MTD_AFS_PARTS
144 tristate "ARM Firmware Suite partition parsing" 146 tristate "ARM Firmware Suite partition parsing"
145 depends on ARM && MTD_PARTITIONS 147 depends on ARM
146 ---help--- 148 ---help---
147 The ARM Firmware Suite allows the user to divide flash devices into 149 The ARM Firmware Suite allows the user to divide flash devices into
148 multiple 'images'. Each such image has a header containing its name 150 multiple 'images'. Each such image has a header containing its name
@@ -158,8 +160,8 @@ config MTD_AFS_PARTS
158 example. 160 example.
159 161
160config MTD_OF_PARTS 162config MTD_OF_PARTS
161 tristate "Flash partition map based on OF description" 163 def_bool y
162 depends on OF && MTD_PARTITIONS 164 depends on OF
163 help 165 help
164 This provides a partition parsing function which derives 166 This provides a partition parsing function which derives
165 the partition map from the children of the flash node, 167 the partition map from the children of the flash node,
@@ -167,10 +169,11 @@ config MTD_OF_PARTS
167 169
168config MTD_AR7_PARTS 170config MTD_AR7_PARTS
169 tristate "TI AR7 partitioning support" 171 tristate "TI AR7 partitioning support"
170 depends on MTD_PARTITIONS
171 ---help--- 172 ---help---
172 TI AR7 partitioning support 173 TI AR7 partitioning support
173 174
175endif # MTD_PARTITIONS
176
174comment "User Modules And Translation Layers" 177comment "User Modules And Translation Layers"
175 178
176config MTD_CHAR 179config MTD_CHAR
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 760abc533395..d4e7f25b1ebb 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -6,13 +6,13 @@
6obj-$(CONFIG_MTD) += mtd.o 6obj-$(CONFIG_MTD) += mtd.o
7mtd-y := mtdcore.o mtdsuper.o 7mtd-y := mtdcore.o mtdsuper.o
8mtd-$(CONFIG_MTD_PARTITIONS) += mtdpart.o 8mtd-$(CONFIG_MTD_PARTITIONS) += mtdpart.o
9mtd-$(CONFIG_MTD_OF_PARTS) += ofpart.o
9 10
10obj-$(CONFIG_MTD_CONCAT) += mtdconcat.o 11obj-$(CONFIG_MTD_CONCAT) += mtdconcat.o
11obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o 12obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
12obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o 13obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
13obj-$(CONFIG_MTD_AFS_PARTS) += afs.o 14obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
14obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o 15obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
15obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
16 16
17# 'Users' - code which presents functionality to userspace. 17# 'Users' - code which presents functionality to userspace.
18obj-$(CONFIG_MTD_CHAR) += mtdchar.o 18obj-$(CONFIG_MTD_CHAR) += mtdchar.o
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index ad9268b44416..a8c3e1c9b02a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -162,7 +162,7 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
162#endif 162#endif
163 163
164/* Atmel chips don't use the same PRI format as Intel chips */ 164/* Atmel chips don't use the same PRI format as Intel chips */
165static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) 165static void fixup_convert_atmel_pri(struct mtd_info *mtd)
166{ 166{
167 struct map_info *map = mtd->priv; 167 struct map_info *map = mtd->priv;
168 struct cfi_private *cfi = map->fldrv_priv; 168 struct cfi_private *cfi = map->fldrv_priv;
@@ -202,7 +202,7 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
202 cfi->cfiq->BufWriteTimeoutMax = 0; 202 cfi->cfiq->BufWriteTimeoutMax = 0;
203} 203}
204 204
205static void fixup_at49bv640dx_lock(struct mtd_info *mtd, void *param) 205static void fixup_at49bv640dx_lock(struct mtd_info *mtd)
206{ 206{
207 struct map_info *map = mtd->priv; 207 struct map_info *map = mtd->priv;
208 struct cfi_private *cfi = map->fldrv_priv; 208 struct cfi_private *cfi = map->fldrv_priv;
@@ -214,7 +214,7 @@ static void fixup_at49bv640dx_lock(struct mtd_info *mtd, void *param)
214 214
215#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE 215#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
216/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ 216/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */
217static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) 217static void fixup_intel_strataflash(struct mtd_info *mtd)
218{ 218{
219 struct map_info *map = mtd->priv; 219 struct map_info *map = mtd->priv;
220 struct cfi_private *cfi = map->fldrv_priv; 220 struct cfi_private *cfi = map->fldrv_priv;
@@ -227,7 +227,7 @@ static void fixup_intel_strataflash(struct mtd_info *mtd, void* param)
227#endif 227#endif
228 228
229#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND 229#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND
230static void fixup_no_write_suspend(struct mtd_info *mtd, void* param) 230static void fixup_no_write_suspend(struct mtd_info *mtd)
231{ 231{
232 struct map_info *map = mtd->priv; 232 struct map_info *map = mtd->priv;
233 struct cfi_private *cfi = map->fldrv_priv; 233 struct cfi_private *cfi = map->fldrv_priv;
@@ -240,7 +240,7 @@ static void fixup_no_write_suspend(struct mtd_info *mtd, void* param)
240} 240}
241#endif 241#endif
242 242
243static void fixup_st_m28w320ct(struct mtd_info *mtd, void* param) 243static void fixup_st_m28w320ct(struct mtd_info *mtd)
244{ 244{
245 struct map_info *map = mtd->priv; 245 struct map_info *map = mtd->priv;
246 struct cfi_private *cfi = map->fldrv_priv; 246 struct cfi_private *cfi = map->fldrv_priv;
@@ -249,7 +249,7 @@ static void fixup_st_m28w320ct(struct mtd_info *mtd, void* param)
249 cfi->cfiq->BufWriteTimeoutMax = 0; /* Not supported */ 249 cfi->cfiq->BufWriteTimeoutMax = 0; /* Not supported */
250} 250}
251 251
252static void fixup_st_m28w320cb(struct mtd_info *mtd, void* param) 252static void fixup_st_m28w320cb(struct mtd_info *mtd)
253{ 253{
254 struct map_info *map = mtd->priv; 254 struct map_info *map = mtd->priv;
255 struct cfi_private *cfi = map->fldrv_priv; 255 struct cfi_private *cfi = map->fldrv_priv;
@@ -259,7 +259,7 @@ static void fixup_st_m28w320cb(struct mtd_info *mtd, void* param)
259 (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e; 259 (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e;
260}; 260};
261 261
262static void fixup_use_point(struct mtd_info *mtd, void *param) 262static void fixup_use_point(struct mtd_info *mtd)
263{ 263{
264 struct map_info *map = mtd->priv; 264 struct map_info *map = mtd->priv;
265 if (!mtd->point && map_is_linear(map)) { 265 if (!mtd->point && map_is_linear(map)) {
@@ -268,7 +268,7 @@ static void fixup_use_point(struct mtd_info *mtd, void *param)
268 } 268 }
269} 269}
270 270
271static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) 271static void fixup_use_write_buffers(struct mtd_info *mtd)
272{ 272{
273 struct map_info *map = mtd->priv; 273 struct map_info *map = mtd->priv;
274 struct cfi_private *cfi = map->fldrv_priv; 274 struct cfi_private *cfi = map->fldrv_priv;
@@ -282,7 +282,7 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
282/* 282/*
283 * Some chips power-up with all sectors locked by default. 283 * Some chips power-up with all sectors locked by default.
284 */ 284 */
285static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param) 285static void fixup_unlock_powerup_lock(struct mtd_info *mtd)
286{ 286{
287 struct map_info *map = mtd->priv; 287 struct map_info *map = mtd->priv;
288 struct cfi_private *cfi = map->fldrv_priv; 288 struct cfi_private *cfi = map->fldrv_priv;
@@ -295,31 +295,31 @@ static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param)
295} 295}
296 296
297static struct cfi_fixup cfi_fixup_table[] = { 297static struct cfi_fixup cfi_fixup_table[] = {
298 { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, 298 { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri },
299 { CFI_MFR_ATMEL, AT49BV640D, fixup_at49bv640dx_lock, NULL }, 299 { CFI_MFR_ATMEL, AT49BV640D, fixup_at49bv640dx_lock },
300 { CFI_MFR_ATMEL, AT49BV640DT, fixup_at49bv640dx_lock, NULL }, 300 { CFI_MFR_ATMEL, AT49BV640DT, fixup_at49bv640dx_lock },
301#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE 301#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
302 { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, 302 { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash },
303#endif 303#endif
304#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND 304#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND
305 { CFI_MFR_ANY, CFI_ID_ANY, fixup_no_write_suspend, NULL }, 305 { CFI_MFR_ANY, CFI_ID_ANY, fixup_no_write_suspend },
306#endif 306#endif
307#if !FORCE_WORD_WRITE 307#if !FORCE_WORD_WRITE
308 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL }, 308 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers },
309#endif 309#endif
310 { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL }, 310 { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct },
311 { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL }, 311 { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb },
312 { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, 312 { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock },
313 { 0, 0, NULL, NULL } 313 { 0, 0, NULL }
314}; 314};
315 315
316static struct cfi_fixup jedec_fixup_table[] = { 316static struct cfi_fixup jedec_fixup_table[] = {
317 { CFI_MFR_INTEL, I82802AB, fixup_use_fwh_lock, NULL, }, 317 { CFI_MFR_INTEL, I82802AB, fixup_use_fwh_lock },
318 { CFI_MFR_INTEL, I82802AC, fixup_use_fwh_lock, NULL, }, 318 { CFI_MFR_INTEL, I82802AC, fixup_use_fwh_lock },
319 { CFI_MFR_ST, M50LPW080, fixup_use_fwh_lock, NULL, }, 319 { CFI_MFR_ST, M50LPW080, fixup_use_fwh_lock },
320 { CFI_MFR_ST, M50FLW080A, fixup_use_fwh_lock, NULL, }, 320 { CFI_MFR_ST, M50FLW080A, fixup_use_fwh_lock },
321 { CFI_MFR_ST, M50FLW080B, fixup_use_fwh_lock, NULL, }, 321 { CFI_MFR_ST, M50FLW080B, fixup_use_fwh_lock },
322 { 0, 0, NULL, NULL } 322 { 0, 0, NULL }
323}; 323};
324static struct cfi_fixup fixup_table[] = { 324static struct cfi_fixup fixup_table[] = {
325 /* The CFI vendor ids and the JEDEC vendor IDs appear 325 /* The CFI vendor ids and the JEDEC vendor IDs appear
@@ -327,8 +327,8 @@ static struct cfi_fixup fixup_table[] = {
327 * well. This table is to pick all cases where 327 * well. This table is to pick all cases where
328 * we know that is the case. 328 * we know that is the case.
329 */ 329 */
330 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_point, NULL }, 330 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_point },
331 { 0, 0, NULL, NULL } 331 { 0, 0, NULL }
332}; 332};
333 333
334static void cfi_fixup_major_minor(struct cfi_private *cfi, 334static void cfi_fixup_major_minor(struct cfi_private *cfi,
@@ -455,6 +455,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
455 mtd->flags = MTD_CAP_NORFLASH; 455 mtd->flags = MTD_CAP_NORFLASH;
456 mtd->name = map->name; 456 mtd->name = map->name;
457 mtd->writesize = 1; 457 mtd->writesize = 1;
458 mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
458 459
459 mtd->reboot_notifier.notifier_call = cfi_intelext_reboot; 460 mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;
460 461
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 3b8e32d87977..f072fcfde04e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -134,7 +134,7 @@ static void cfi_tell_features(struct cfi_pri_amdstd *extp)
134 134
135#ifdef AMD_BOOTLOC_BUG 135#ifdef AMD_BOOTLOC_BUG
136/* Wheee. Bring me the head of someone at AMD. */ 136/* Wheee. Bring me the head of someone at AMD. */
137static void fixup_amd_bootblock(struct mtd_info *mtd, void* param) 137static void fixup_amd_bootblock(struct mtd_info *mtd)
138{ 138{
139 struct map_info *map = mtd->priv; 139 struct map_info *map = mtd->priv;
140 struct cfi_private *cfi = map->fldrv_priv; 140 struct cfi_private *cfi = map->fldrv_priv;
@@ -186,7 +186,7 @@ static void fixup_amd_bootblock(struct mtd_info *mtd, void* param)
186} 186}
187#endif 187#endif
188 188
189static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) 189static void fixup_use_write_buffers(struct mtd_info *mtd)
190{ 190{
191 struct map_info *map = mtd->priv; 191 struct map_info *map = mtd->priv;
192 struct cfi_private *cfi = map->fldrv_priv; 192 struct cfi_private *cfi = map->fldrv_priv;
@@ -197,7 +197,7 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
197} 197}
198 198
199/* Atmel chips don't use the same PRI format as AMD chips */ 199/* Atmel chips don't use the same PRI format as AMD chips */
200static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) 200static void fixup_convert_atmel_pri(struct mtd_info *mtd)
201{ 201{
202 struct map_info *map = mtd->priv; 202 struct map_info *map = mtd->priv;
203 struct cfi_private *cfi = map->fldrv_priv; 203 struct cfi_private *cfi = map->fldrv_priv;
@@ -228,14 +228,14 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
228 cfi->cfiq->BufWriteTimeoutMax = 0; 228 cfi->cfiq->BufWriteTimeoutMax = 0;
229} 229}
230 230
231static void fixup_use_secsi(struct mtd_info *mtd, void *param) 231static void fixup_use_secsi(struct mtd_info *mtd)
232{ 232{
233 /* Setup for chips with a secsi area */ 233 /* Setup for chips with a secsi area */
234 mtd->read_user_prot_reg = cfi_amdstd_secsi_read; 234 mtd->read_user_prot_reg = cfi_amdstd_secsi_read;
235 mtd->read_fact_prot_reg = cfi_amdstd_secsi_read; 235 mtd->read_fact_prot_reg = cfi_amdstd_secsi_read;
236} 236}
237 237
238static void fixup_use_erase_chip(struct mtd_info *mtd, void *param) 238static void fixup_use_erase_chip(struct mtd_info *mtd)
239{ 239{
240 struct map_info *map = mtd->priv; 240 struct map_info *map = mtd->priv;
241 struct cfi_private *cfi = map->fldrv_priv; 241 struct cfi_private *cfi = map->fldrv_priv;
@@ -250,7 +250,7 @@ static void fixup_use_erase_chip(struct mtd_info *mtd, void *param)
250 * Some Atmel chips (e.g. the AT49BV6416) power-up with all sectors 250 * Some Atmel chips (e.g. the AT49BV6416) power-up with all sectors
251 * locked by default. 251 * locked by default.
252 */ 252 */
253static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) 253static void fixup_use_atmel_lock(struct mtd_info *mtd)
254{ 254{
255 mtd->lock = cfi_atmel_lock; 255 mtd->lock = cfi_atmel_lock;
256 mtd->unlock = cfi_atmel_unlock; 256 mtd->unlock = cfi_atmel_unlock;
@@ -271,7 +271,7 @@ static void fixup_old_sst_eraseregion(struct mtd_info *mtd)
271 cfi->cfiq->NumEraseRegions = 1; 271 cfi->cfiq->NumEraseRegions = 1;
272} 272}
273 273
274static void fixup_sst39vf(struct mtd_info *mtd, void *param) 274static void fixup_sst39vf(struct mtd_info *mtd)
275{ 275{
276 struct map_info *map = mtd->priv; 276 struct map_info *map = mtd->priv;
277 struct cfi_private *cfi = map->fldrv_priv; 277 struct cfi_private *cfi = map->fldrv_priv;
@@ -282,7 +282,7 @@ static void fixup_sst39vf(struct mtd_info *mtd, void *param)
282 cfi->addr_unlock2 = 0x2AAA; 282 cfi->addr_unlock2 = 0x2AAA;
283} 283}
284 284
285static void fixup_sst39vf_rev_b(struct mtd_info *mtd, void *param) 285static void fixup_sst39vf_rev_b(struct mtd_info *mtd)
286{ 286{
287 struct map_info *map = mtd->priv; 287 struct map_info *map = mtd->priv;
288 struct cfi_private *cfi = map->fldrv_priv; 288 struct cfi_private *cfi = map->fldrv_priv;
@@ -295,12 +295,12 @@ static void fixup_sst39vf_rev_b(struct mtd_info *mtd, void *param)
295 cfi->sector_erase_cmd = CMD(0x50); 295 cfi->sector_erase_cmd = CMD(0x50);
296} 296}
297 297
298static void fixup_sst38vf640x_sectorsize(struct mtd_info *mtd, void *param) 298static void fixup_sst38vf640x_sectorsize(struct mtd_info *mtd)
299{ 299{
300 struct map_info *map = mtd->priv; 300 struct map_info *map = mtd->priv;
301 struct cfi_private *cfi = map->fldrv_priv; 301 struct cfi_private *cfi = map->fldrv_priv;
302 302
303 fixup_sst39vf_rev_b(mtd, param); 303 fixup_sst39vf_rev_b(mtd);
304 304
305 /* 305 /*
306 * CFI reports 1024 sectors (0x03ff+1) of 64KBytes (0x0100*256) where 306 * CFI reports 1024 sectors (0x03ff+1) of 64KBytes (0x0100*256) where
@@ -310,7 +310,7 @@ static void fixup_sst38vf640x_sectorsize(struct mtd_info *mtd, void *param)
310 pr_warning("%s: Bad 38VF640x CFI data; adjusting sector size from 64 to 8KiB\n", mtd->name); 310 pr_warning("%s: Bad 38VF640x CFI data; adjusting sector size from 64 to 8KiB\n", mtd->name);
311} 311}
312 312
313static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param) 313static void fixup_s29gl064n_sectors(struct mtd_info *mtd)
314{ 314{
315 struct map_info *map = mtd->priv; 315 struct map_info *map = mtd->priv;
316 struct cfi_private *cfi = map->fldrv_priv; 316 struct cfi_private *cfi = map->fldrv_priv;
@@ -321,7 +321,7 @@ static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param)
321 } 321 }
322} 322}
323 323
324static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param) 324static void fixup_s29gl032n_sectors(struct mtd_info *mtd)
325{ 325{
326 struct map_info *map = mtd->priv; 326 struct map_info *map = mtd->priv;
327 struct cfi_private *cfi = map->fldrv_priv; 327 struct cfi_private *cfi = map->fldrv_priv;
@@ -334,47 +334,47 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param)
334 334
335/* Used to fix CFI-Tables of chips without Extended Query Tables */ 335/* Used to fix CFI-Tables of chips without Extended Query Tables */
336static struct cfi_fixup cfi_nopri_fixup_table[] = { 336static struct cfi_fixup cfi_nopri_fixup_table[] = {
337 { CFI_MFR_SST, 0x234A, fixup_sst39vf, NULL, }, /* SST39VF1602 */ 337 { CFI_MFR_SST, 0x234a, fixup_sst39vf }, /* SST39VF1602 */
338 { CFI_MFR_SST, 0x234B, fixup_sst39vf, NULL, }, /* SST39VF1601 */ 338 { CFI_MFR_SST, 0x234b, fixup_sst39vf }, /* SST39VF1601 */
339 { CFI_MFR_SST, 0x235A, fixup_sst39vf, NULL, }, /* SST39VF3202 */ 339 { CFI_MFR_SST, 0x235a, fixup_sst39vf }, /* SST39VF3202 */
340 { CFI_MFR_SST, 0x235B, fixup_sst39vf, NULL, }, /* SST39VF3201 */ 340 { CFI_MFR_SST, 0x235b, fixup_sst39vf }, /* SST39VF3201 */
341 { CFI_MFR_SST, 0x235C, fixup_sst39vf_rev_b, NULL, }, /* SST39VF3202B */ 341 { CFI_MFR_SST, 0x235c, fixup_sst39vf_rev_b }, /* SST39VF3202B */
342 { CFI_MFR_SST, 0x235D, fixup_sst39vf_rev_b, NULL, }, /* SST39VF3201B */ 342 { CFI_MFR_SST, 0x235d, fixup_sst39vf_rev_b }, /* SST39VF3201B */
343 { CFI_MFR_SST, 0x236C, fixup_sst39vf_rev_b, NULL, }, /* SST39VF6402B */ 343 { CFI_MFR_SST, 0x236c, fixup_sst39vf_rev_b }, /* SST39VF6402B */
344 { CFI_MFR_SST, 0x236D, fixup_sst39vf_rev_b, NULL, }, /* SST39VF6401B */ 344 { CFI_MFR_SST, 0x236d, fixup_sst39vf_rev_b }, /* SST39VF6401B */
345 { 0, 0, NULL, NULL } 345 { 0, 0, NULL }
346}; 346};
347 347
348static struct cfi_fixup cfi_fixup_table[] = { 348static struct cfi_fixup cfi_fixup_table[] = {
349 { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, 349 { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri },
350#ifdef AMD_BOOTLOC_BUG 350#ifdef AMD_BOOTLOC_BUG
351 { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL }, 351 { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock },
352 { CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL }, 352 { CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock },
353#endif 353#endif
354 { CFI_MFR_AMD, 0x0050, fixup_use_secsi, NULL, }, 354 { CFI_MFR_AMD, 0x0050, fixup_use_secsi },
355 { CFI_MFR_AMD, 0x0053, fixup_use_secsi, NULL, }, 355 { CFI_MFR_AMD, 0x0053, fixup_use_secsi },
356 { CFI_MFR_AMD, 0x0055, fixup_use_secsi, NULL, }, 356 { CFI_MFR_AMD, 0x0055, fixup_use_secsi },
357 { CFI_MFR_AMD, 0x0056, fixup_use_secsi, NULL, }, 357 { CFI_MFR_AMD, 0x0056, fixup_use_secsi },
358 { CFI_MFR_AMD, 0x005C, fixup_use_secsi, NULL, }, 358 { CFI_MFR_AMD, 0x005C, fixup_use_secsi },
359 { CFI_MFR_AMD, 0x005F, fixup_use_secsi, NULL, }, 359 { CFI_MFR_AMD, 0x005F, fixup_use_secsi },
360 { CFI_MFR_AMD, 0x0c01, fixup_s29gl064n_sectors, NULL, }, 360 { CFI_MFR_AMD, 0x0c01, fixup_s29gl064n_sectors },
361 { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors, NULL, }, 361 { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors },
362 { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors, NULL, }, 362 { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors },
363 { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors, NULL, }, 363 { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors },
364 { CFI_MFR_SST, 0x536A, fixup_sst38vf640x_sectorsize, NULL, }, /* SST38VF6402 */ 364 { CFI_MFR_SST, 0x536a, fixup_sst38vf640x_sectorsize }, /* SST38VF6402 */
365 { CFI_MFR_SST, 0x536B, fixup_sst38vf640x_sectorsize, NULL, }, /* SST38VF6401 */ 365 { CFI_MFR_SST, 0x536b, fixup_sst38vf640x_sectorsize }, /* SST38VF6401 */
366 { CFI_MFR_SST, 0x536C, fixup_sst38vf640x_sectorsize, NULL, }, /* SST38VF6404 */ 366 { CFI_MFR_SST, 0x536c, fixup_sst38vf640x_sectorsize }, /* SST38VF6404 */
367 { CFI_MFR_SST, 0x536D, fixup_sst38vf640x_sectorsize, NULL, }, /* SST38VF6403 */ 367 { CFI_MFR_SST, 0x536d, fixup_sst38vf640x_sectorsize }, /* SST38VF6403 */
368#if !FORCE_WORD_WRITE 368#if !FORCE_WORD_WRITE
369 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, 369 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers },
370#endif 370#endif
371 { 0, 0, NULL, NULL } 371 { 0, 0, NULL }
372}; 372};
373static struct cfi_fixup jedec_fixup_table[] = { 373static struct cfi_fixup jedec_fixup_table[] = {
374 { CFI_MFR_SST, SST49LF004B, fixup_use_fwh_lock, NULL, }, 374 { CFI_MFR_SST, SST49LF004B, fixup_use_fwh_lock },
375 { CFI_MFR_SST, SST49LF040B, fixup_use_fwh_lock, NULL, }, 375 { CFI_MFR_SST, SST49LF040B, fixup_use_fwh_lock },
376 { CFI_MFR_SST, SST49LF008A, fixup_use_fwh_lock, NULL, }, 376 { CFI_MFR_SST, SST49LF008A, fixup_use_fwh_lock },
377 { 0, 0, NULL, NULL } 377 { 0, 0, NULL }
378}; 378};
379 379
380static struct cfi_fixup fixup_table[] = { 380static struct cfi_fixup fixup_table[] = {
@@ -383,18 +383,30 @@ static struct cfi_fixup fixup_table[] = {
383 * well. This table is to pick all cases where 383 * well. This table is to pick all cases where
384 * we know that is the case. 384 * we know that is the case.
385 */ 385 */
386 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_erase_chip, NULL }, 386 { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_erase_chip },
387 { CFI_MFR_ATMEL, AT49BV6416, fixup_use_atmel_lock, NULL }, 387 { CFI_MFR_ATMEL, AT49BV6416, fixup_use_atmel_lock },
388 { 0, 0, NULL, NULL } 388 { 0, 0, NULL }
389}; 389};
390 390
391 391
392static void cfi_fixup_major_minor(struct cfi_private *cfi, 392static void cfi_fixup_major_minor(struct cfi_private *cfi,
393 struct cfi_pri_amdstd *extp) 393 struct cfi_pri_amdstd *extp)
394{ 394{
395 if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e && 395 if (cfi->mfr == CFI_MFR_SAMSUNG) {
396 extp->MajorVersion == '0') 396 if ((extp->MajorVersion == '0' && extp->MinorVersion == '0') ||
397 extp->MajorVersion = '1'; 397 (extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
398 /*
399 * Samsung K8P2815UQB and K8D6x16UxM chips
400 * report major=0 / minor=0.
401 * K8D3x16UxC chips report major=3 / minor=3.
402 */
403 printk(KERN_NOTICE " Fixing Samsung's Amd/Fujitsu"
404 " Extended Query version to 1.%c\n",
405 extp->MinorVersion);
406 extp->MajorVersion = '1';
407 }
408 }
409
398 /* 410 /*
399 * SST 38VF640x chips report major=0xFF / minor=0xFF. 411 * SST 38VF640x chips report major=0xFF / minor=0xFF.
400 */ 412 */
@@ -428,6 +440,10 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
428 mtd->flags = MTD_CAP_NORFLASH; 440 mtd->flags = MTD_CAP_NORFLASH;
429 mtd->name = map->name; 441 mtd->name = map->name;
430 mtd->writesize = 1; 442 mtd->writesize = 1;
443 mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
444
445 DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): write buffer size %d\n",
446 __func__, mtd->writebufsize);
431 447
432 mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot; 448 mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot;
433 449
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index 314af1f5a370..c04b7658abe9 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -238,6 +238,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
238 mtd->resume = cfi_staa_resume; 238 mtd->resume = cfi_staa_resume;
239 mtd->flags = MTD_CAP_NORFLASH & ~MTD_BIT_WRITEABLE; 239 mtd->flags = MTD_CAP_NORFLASH & ~MTD_BIT_WRITEABLE;
240 mtd->writesize = 8; /* FIXME: Should be 0 for STMicro flashes w/out ECC */ 240 mtd->writesize = 8; /* FIXME: Should be 0 for STMicro flashes w/out ECC */
241 mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
241 map->fldrv = &cfi_staa_chipdrv; 242 map->fldrv = &cfi_staa_chipdrv;
242 __module_get(THIS_MODULE); 243 __module_get(THIS_MODULE);
243 mtd->name = map->name; 244 mtd->name = map->name;
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 360525c637d2..6ae3d111e1e7 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -156,7 +156,7 @@ void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup *fixups)
156 for (f=fixups; f->fixup; f++) { 156 for (f=fixups; f->fixup; f++) {
157 if (((f->mfr == CFI_MFR_ANY) || (f->mfr == cfi->mfr)) && 157 if (((f->mfr == CFI_MFR_ANY) || (f->mfr == cfi->mfr)) &&
158 ((f->id == CFI_ID_ANY) || (f->id == cfi->id))) { 158 ((f->id == CFI_ID_ANY) || (f->id == cfi->id))) {
159 f->fixup(mtd, f->param); 159 f->fixup(mtd);
160 } 160 }
161 } 161 }
162} 162}
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index d18064977192..5e3cc80128aa 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -98,7 +98,7 @@ static int fwh_unlock_varsize(struct mtd_info *mtd, loff_t ofs, uint64_t len)
98 return ret; 98 return ret;
99} 99}
100 100
101static void fixup_use_fwh_lock(struct mtd_info *mtd, void *param) 101static void fixup_use_fwh_lock(struct mtd_info *mtd)
102{ 102{
103 printk(KERN_NOTICE "using fwh lock/unlock method\n"); 103 printk(KERN_NOTICE "using fwh lock/unlock method\n");
104 /* Setup for the chips with the fwh lock method */ 104 /* Setup for the chips with the fwh lock method */
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index bf5a002209bd..e4eba6cc1b2e 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -51,6 +51,10 @@
51#define OPCODE_WRDI 0x04 /* Write disable */ 51#define OPCODE_WRDI 0x04 /* Write disable */
52#define OPCODE_AAI_WP 0xad /* Auto address increment word program */ 52#define OPCODE_AAI_WP 0xad /* Auto address increment word program */
53 53
54/* Used for Macronix flashes only. */
55#define OPCODE_EN4B 0xb7 /* Enter 4-byte mode */
56#define OPCODE_EX4B 0xe9 /* Exit 4-byte mode */
57
54/* Status Register bits. */ 58/* Status Register bits. */
55#define SR_WIP 1 /* Write in progress */ 59#define SR_WIP 1 /* Write in progress */
56#define SR_WEL 2 /* Write enable latch */ 60#define SR_WEL 2 /* Write enable latch */
@@ -62,7 +66,7 @@
62 66
63/* Define max times to check status register before we give up. */ 67/* Define max times to check status register before we give up. */
64#define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ 68#define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */
65#define MAX_CMD_SIZE 4 69#define MAX_CMD_SIZE 5
66 70
67#ifdef CONFIG_M25PXX_USE_FAST_READ 71#ifdef CONFIG_M25PXX_USE_FAST_READ
68#define OPCODE_READ OPCODE_FAST_READ 72#define OPCODE_READ OPCODE_FAST_READ
@@ -152,6 +156,16 @@ static inline int write_disable(struct m25p *flash)
152} 156}
153 157
154/* 158/*
159 * Enable/disable 4-byte addressing mode.
160 */
161static inline int set_4byte(struct m25p *flash, int enable)
162{
163 u8 code = enable ? OPCODE_EN4B : OPCODE_EX4B;
164
165 return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
166}
167
168/*
155 * Service routine to read status register until ready, or timeout occurs. 169 * Service routine to read status register until ready, or timeout occurs.
156 * Returns non-zero if error. 170 * Returns non-zero if error.
157 */ 171 */
@@ -207,6 +221,7 @@ static void m25p_addr2cmd(struct m25p *flash, unsigned int addr, u8 *cmd)
207 cmd[1] = addr >> (flash->addr_width * 8 - 8); 221 cmd[1] = addr >> (flash->addr_width * 8 - 8);
208 cmd[2] = addr >> (flash->addr_width * 8 - 16); 222 cmd[2] = addr >> (flash->addr_width * 8 - 16);
209 cmd[3] = addr >> (flash->addr_width * 8 - 24); 223 cmd[3] = addr >> (flash->addr_width * 8 - 24);
224 cmd[4] = addr >> (flash->addr_width * 8 - 32);
210} 225}
211 226
212static int m25p_cmdsz(struct m25p *flash) 227static int m25p_cmdsz(struct m25p *flash)
@@ -482,6 +497,10 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
482 size_t actual; 497 size_t actual;
483 int cmd_sz, ret; 498 int cmd_sz, ret;
484 499
500 DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %zd\n",
501 dev_name(&flash->spi->dev), __func__, "to",
502 (u32)to, len);
503
485 *retlen = 0; 504 *retlen = 0;
486 505
487 /* sanity checks */ 506 /* sanity checks */
@@ -607,7 +626,6 @@ struct flash_info {
607 .sector_size = (_sector_size), \ 626 .sector_size = (_sector_size), \
608 .n_sectors = (_n_sectors), \ 627 .n_sectors = (_n_sectors), \
609 .page_size = 256, \ 628 .page_size = 256, \
610 .addr_width = 3, \
611 .flags = (_flags), \ 629 .flags = (_flags), \
612 }) 630 })
613 631
@@ -635,7 +653,7 @@ static const struct spi_device_id m25p_ids[] = {
635 { "at26f004", INFO(0x1f0400, 0, 64 * 1024, 8, SECT_4K) }, 653 { "at26f004", INFO(0x1f0400, 0, 64 * 1024, 8, SECT_4K) },
636 { "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16, SECT_4K) }, 654 { "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16, SECT_4K) },
637 { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) }, 655 { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) },
638 { "at26df321", INFO(0x1f4701, 0, 64 * 1024, 64, SECT_4K) }, 656 { "at26df321", INFO(0x1f4700, 0, 64 * 1024, 64, SECT_4K) },
639 657
640 /* EON -- en25pxx */ 658 /* EON -- en25pxx */
641 { "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) }, 659 { "en25p32", INFO(0x1c2016, 0, 64 * 1024, 64, 0) },
@@ -653,6 +671,8 @@ static const struct spi_device_id m25p_ids[] = {
653 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) }, 671 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) },
654 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, 672 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
655 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, 673 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
674 { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },
675 { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
656 676
657 /* Spansion -- single (large) sector size only, at least 677 /* Spansion -- single (large) sector size only, at least
658 * for the chips listed here (without boot sectors). 678 * for the chips listed here (without boot sectors).
@@ -764,6 +784,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi)
764 return &m25p_ids[tmp]; 784 return &m25p_ids[tmp];
765 } 785 }
766 } 786 }
787 dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
767 return ERR_PTR(-ENODEV); 788 return ERR_PTR(-ENODEV);
768} 789}
769 790
@@ -883,7 +904,17 @@ static int __devinit m25p_probe(struct spi_device *spi)
883 904
884 flash->mtd.dev.parent = &spi->dev; 905 flash->mtd.dev.parent = &spi->dev;
885 flash->page_size = info->page_size; 906 flash->page_size = info->page_size;
886 flash->addr_width = info->addr_width; 907
908 if (info->addr_width)
909 flash->addr_width = info->addr_width;
910 else {
911 /* enable 4-byte addressing if the device exceeds 16MiB */
912 if (flash->mtd.size > 0x1000000) {
913 flash->addr_width = 4;
914 set_4byte(flash, 1);
915 } else
916 flash->addr_width = 3;
917 }
887 918
888 dev_info(&spi->dev, "%s (%lld Kbytes)\n", id->name, 919 dev_info(&spi->dev, "%s (%lld Kbytes)\n", id->name,
889 (long long)flash->mtd.size >> 10); 920 (long long)flash->mtd.size >> 10);
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 684247a8a5ed..c163e619abc9 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -335,7 +335,7 @@ out:
335 return ret; 335 return ret;
336} 336}
337 337
338static struct flash_info *__init sst25l_match_device(struct spi_device *spi) 338static struct flash_info *__devinit sst25l_match_device(struct spi_device *spi)
339{ 339{
340 struct flash_info *flash_info = NULL; 340 struct flash_info *flash_info = NULL;
341 struct spi_message m; 341 struct spi_message m;
@@ -375,7 +375,7 @@ static struct flash_info *__init sst25l_match_device(struct spi_device *spi)
375 return flash_info; 375 return flash_info;
376} 376}
377 377
378static int __init sst25l_probe(struct spi_device *spi) 378static int __devinit sst25l_probe(struct spi_device *spi)
379{ 379{
380 struct flash_info *flash_info; 380 struct flash_info *flash_info;
381 struct sst25l_flash *flash; 381 struct sst25l_flash *flash;
diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 19fe92db0c46..77d64ce19e9f 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -149,11 +149,8 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
149 if (request_resource(&iomem_resource, &window->rsrc)) { 149 if (request_resource(&iomem_resource, &window->rsrc)) {
150 window->rsrc.parent = NULL; 150 window->rsrc.parent = NULL;
151 printk(KERN_ERR MOD_NAME 151 printk(KERN_ERR MOD_NAME
152 " %s(): Unable to register resource" 152 " %s(): Unable to register resource %pR - kernel bug?\n",
153 " 0x%.16llx-0x%.16llx - kernel bug?\n", 153 __func__, &window->rsrc);
154 __func__,
155 (unsigned long long)window->rsrc.start,
156 (unsigned long long)window->rsrc.end);
157 } 154 }
158 155
159 156
diff --git a/drivers/mtd/maps/bcm963xx-flash.c b/drivers/mtd/maps/bcm963xx-flash.c
index d175c120ee84..1f3049590d9e 100644
--- a/drivers/mtd/maps/bcm963xx-flash.c
+++ b/drivers/mtd/maps/bcm963xx-flash.c
@@ -196,10 +196,15 @@ static int bcm963xx_probe(struct platform_device *pdev)
196 bcm963xx_mtd_info = do_map_probe("cfi_probe", &bcm963xx_map); 196 bcm963xx_mtd_info = do_map_probe("cfi_probe", &bcm963xx_map);
197 if (!bcm963xx_mtd_info) { 197 if (!bcm963xx_mtd_info) {
198 dev_err(&pdev->dev, "failed to probe using CFI\n"); 198 dev_err(&pdev->dev, "failed to probe using CFI\n");
199 bcm963xx_mtd_info = do_map_probe("jedec_probe", &bcm963xx_map);
200 if (bcm963xx_mtd_info)
201 goto probe_ok;
202 dev_err(&pdev->dev, "failed to probe using JEDEC\n");
199 err = -EIO; 203 err = -EIO;
200 goto err_probe; 204 goto err_probe;
201 } 205 }
202 206
207probe_ok:
203 bcm963xx_mtd_info->owner = THIS_MODULE; 208 bcm963xx_mtd_info->owner = THIS_MODULE;
204 209
205 /* This is mutually exclusive */ 210 /* This is mutually exclusive */
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index ddb462bea9b5..5fdb7b26cea3 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -178,11 +178,8 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev,
178 if (request_resource(&iomem_resource, &window->rsrc)) { 178 if (request_resource(&iomem_resource, &window->rsrc)) {
179 window->rsrc.parent = NULL; 179 window->rsrc.parent = NULL;
180 printk(KERN_ERR MOD_NAME 180 printk(KERN_ERR MOD_NAME
181 " %s(): Unable to register resource" 181 " %s(): Unable to register resource %pR - kernel bug?\n",
182 " 0x%.016llx-0x%.016llx - kernel bug?\n", 182 __func__, &window->rsrc);
183 __func__,
184 (unsigned long long)window->rsrc.start,
185 (unsigned long long)window->rsrc.end);
186 } 183 }
187 184
188 185
diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c
index d12c93dc1aad..4feb7507ab7c 100644
--- a/drivers/mtd/maps/esb2rom.c
+++ b/drivers/mtd/maps/esb2rom.c
@@ -242,12 +242,9 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev,
242 window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY; 242 window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
243 if (request_resource(&iomem_resource, &window->rsrc)) { 243 if (request_resource(&iomem_resource, &window->rsrc)) {
244 window->rsrc.parent = NULL; 244 window->rsrc.parent = NULL;
245 printk(KERN_DEBUG MOD_NAME 245 printk(KERN_DEBUG MOD_NAME ": "
246 ": %s(): Unable to register resource" 246 "%s(): Unable to register resource %pR - kernel bug?\n",
247 " 0x%.08llx-0x%.08llx - kernel bug?\n", 247 __func__, &window->rsrc);
248 __func__,
249 (unsigned long long)window->rsrc.start,
250 (unsigned long long)window->rsrc.end);
251 } 248 }
252 249
253 /* Map the firmware hub into my address space. */ 250 /* Map the firmware hub into my address space. */
diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c
index f102bf243a74..1337a4191a0c 100644
--- a/drivers/mtd/maps/ichxrom.c
+++ b/drivers/mtd/maps/ichxrom.c
@@ -175,12 +175,9 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev,
175 window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY; 175 window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
176 if (request_resource(&iomem_resource, &window->rsrc)) { 176 if (request_resource(&iomem_resource, &window->rsrc)) {
177 window->rsrc.parent = NULL; 177 window->rsrc.parent = NULL;
178 printk(KERN_DEBUG MOD_NAME 178 printk(KERN_DEBUG MOD_NAME ": "
179 ": %s(): Unable to register resource" 179 "%s(): Unable to register resource %pR - kernel bug?\n",
180 " 0x%.16llx-0x%.16llx - kernel bug?\n", 180 __func__, &window->rsrc);
181 __func__,
182 (unsigned long long)window->rsrc.start,
183 (unsigned long long)window->rsrc.end);
184 } 181 }
185 182
186 /* Map the firmware hub into my address space. */ 183 /* Map the firmware hub into my address space. */
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 9861814aa027..8506578e6a35 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -274,9 +274,7 @@ static int __devinit of_flash_probe(struct platform_device *dev,
274 continue; 274 continue;
275 } 275 }
276 276
277 dev_dbg(&dev->dev, "of_flash device: %.8llx-%.8llx\n", 277 dev_dbg(&dev->dev, "of_flash device: %pR\n", &res);
278 (unsigned long long)res.start,
279 (unsigned long long)res.end);
280 278
281 err = -EBUSY; 279 err = -EBUSY;
282 res_size = resource_size(&res); 280 res_size = resource_size(&res);
diff --git a/drivers/mtd/maps/scx200_docflash.c b/drivers/mtd/maps/scx200_docflash.c
index b5391ebb736e..027e628a4f1d 100644
--- a/drivers/mtd/maps/scx200_docflash.c
+++ b/drivers/mtd/maps/scx200_docflash.c
@@ -166,9 +166,8 @@ static int __init init_scx200_docflash(void)
166 outl(pmr, scx200_cb_base + SCx200_PMR); 166 outl(pmr, scx200_cb_base + SCx200_PMR);
167 } 167 }
168 168
169 printk(KERN_INFO NAME ": DOCCS mapped at 0x%llx-0x%llx, width %d\n", 169 printk(KERN_INFO NAME ": DOCCS mapped at %pR, width %d\n",
170 (unsigned long long)docmem.start, 170 &docmem, width);
171 (unsigned long long)docmem.end, width);
172 171
173 scx200_docflash_map.size = size; 172 scx200_docflash_map.size = size;
174 if (width == 8) 173 if (width == 8)
diff --git a/drivers/mtd/maps/tqm8xxl.c b/drivers/mtd/maps/tqm8xxl.c
index 60146984f4be..c08e140d40ed 100644
--- a/drivers/mtd/maps/tqm8xxl.c
+++ b/drivers/mtd/maps/tqm8xxl.c
@@ -139,7 +139,7 @@ static int __init init_tqm_mtd(void)
139 goto error_mem; 139 goto error_mem;
140 } 140 }
141 141
142 map_banks[idx]->name = (char *)kmalloc(16, GFP_KERNEL); 142 map_banks[idx]->name = kmalloc(16, GFP_KERNEL);
143 143
144 if (!map_banks[idx]->name) { 144 if (!map_banks[idx]->name) {
145 ret = -ENOMEM; 145 ret = -ENOMEM;
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 98240575a18d..145b3d0dc0db 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -522,10 +522,6 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
522 if (!capable(CAP_SYS_ADMIN)) 522 if (!capable(CAP_SYS_ADMIN))
523 return -EPERM; 523 return -EPERM;
524 524
525 /* Only master mtd device must be used to control partitions */
526 if (!mtd_is_master(mtd))
527 return -EINVAL;
528
529 if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg))) 525 if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg)))
530 return -EFAULT; 526 return -EFAULT;
531 527
@@ -535,6 +531,10 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
535 switch (a.op) { 531 switch (a.op) {
536 case BLKPG_ADD_PARTITION: 532 case BLKPG_ADD_PARTITION:
537 533
534 /* Only master mtd device must be used to add partitions */
535 if (mtd_is_partition(mtd))
536 return -EINVAL;
537
538 return mtd_add_partition(mtd, p.devname, p.start, p.length); 538 return mtd_add_partition(mtd, p.devname, p.start, p.length);
539 539
540 case BLKPG_DEL_PARTITION: 540 case BLKPG_DEL_PARTITION:
@@ -601,6 +601,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
601 } 601 }
602 602
603 case MEMGETINFO: 603 case MEMGETINFO:
604 memset(&info, 0, sizeof(info));
604 info.type = mtd->type; 605 info.type = mtd->type;
605 info.flags = mtd->flags; 606 info.flags = mtd->flags;
606 info.size = mtd->size; 607 info.size = mtd->size;
@@ -609,7 +610,6 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
609 info.oobsize = mtd->oobsize; 610 info.oobsize = mtd->oobsize;
610 /* The below fields are obsolete */ 611 /* The below fields are obsolete */
611 info.ecctype = -1; 612 info.ecctype = -1;
612 info.eccsize = 0;
613 if (copy_to_user(argp, &info, sizeof(struct mtd_info_user))) 613 if (copy_to_user(argp, &info, sizeof(struct mtd_info_user)))
614 return -EFAULT; 614 return -EFAULT;
615 break; 615 break;
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index bf8de0943103..5f5777bd3f75 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -776,6 +776,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
776 concat->mtd.size = subdev[0]->size; 776 concat->mtd.size = subdev[0]->size;
777 concat->mtd.erasesize = subdev[0]->erasesize; 777 concat->mtd.erasesize = subdev[0]->erasesize;
778 concat->mtd.writesize = subdev[0]->writesize; 778 concat->mtd.writesize = subdev[0]->writesize;
779 concat->mtd.writebufsize = subdev[0]->writebufsize;
779 concat->mtd.subpage_sft = subdev[0]->subpage_sft; 780 concat->mtd.subpage_sft = subdev[0]->subpage_sft;
780 concat->mtd.oobsize = subdev[0]->oobsize; 781 concat->mtd.oobsize = subdev[0]->oobsize;
781 concat->mtd.oobavail = subdev[0]->oobavail; 782 concat->mtd.oobavail = subdev[0]->oobavail;
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index c948150079be..e3e40f440323 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -401,7 +401,8 @@ static void mtdoops_notify_remove(struct mtd_info *mtd)
401 printk(KERN_WARNING "mtdoops: could not unregister kmsg_dumper\n"); 401 printk(KERN_WARNING "mtdoops: could not unregister kmsg_dumper\n");
402 402
403 cxt->mtd = NULL; 403 cxt->mtd = NULL;
404 flush_scheduled_work(); 404 flush_work_sync(&cxt->work_erase);
405 flush_work_sync(&cxt->work_write);
405} 406}
406 407
407 408
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 79e3689f1e16..0a4760174782 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -120,8 +120,25 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
120 return -EINVAL; 120 return -EINVAL;
121 if (ops->datbuf && from + ops->len > mtd->size) 121 if (ops->datbuf && from + ops->len > mtd->size)
122 return -EINVAL; 122 return -EINVAL;
123 res = part->master->read_oob(part->master, from + part->offset, ops);
124 123
124 /*
125 * If OOB is also requested, make sure that we do not read past the end
126 * of this partition.
127 */
128 if (ops->oobbuf) {
129 size_t len, pages;
130
131 if (ops->mode == MTD_OOB_AUTO)
132 len = mtd->oobavail;
133 else
134 len = mtd->oobsize;
135 pages = mtd_div_by_ws(mtd->size, mtd);
136 pages -= mtd_div_by_ws(from, mtd);
137 if (ops->ooboffs + ops->ooblen > pages * len)
138 return -EINVAL;
139 }
140
141 res = part->master->read_oob(part->master, from + part->offset, ops);
125 if (unlikely(res)) { 142 if (unlikely(res)) {
126 if (res == -EUCLEAN) 143 if (res == -EUCLEAN)
127 mtd->ecc_stats.corrected++; 144 mtd->ecc_stats.corrected++;
@@ -384,6 +401,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
384 slave->mtd.flags = master->flags & ~part->mask_flags; 401 slave->mtd.flags = master->flags & ~part->mask_flags;
385 slave->mtd.size = part->size; 402 slave->mtd.size = part->size;
386 slave->mtd.writesize = master->writesize; 403 slave->mtd.writesize = master->writesize;
404 slave->mtd.writebufsize = master->writebufsize;
387 slave->mtd.oobsize = master->oobsize; 405 slave->mtd.oobsize = master->oobsize;
388 slave->mtd.oobavail = master->oobavail; 406 slave->mtd.oobavail = master->oobavail;
389 slave->mtd.subpage_sft = master->subpage_sft; 407 slave->mtd.subpage_sft = master->subpage_sft;
@@ -720,19 +738,19 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types,
720} 738}
721EXPORT_SYMBOL_GPL(parse_mtd_partitions); 739EXPORT_SYMBOL_GPL(parse_mtd_partitions);
722 740
723int mtd_is_master(struct mtd_info *mtd) 741int mtd_is_partition(struct mtd_info *mtd)
724{ 742{
725 struct mtd_part *part; 743 struct mtd_part *part;
726 int nopart = 0; 744 int ispart = 0;
727 745
728 mutex_lock(&mtd_partitions_mutex); 746 mutex_lock(&mtd_partitions_mutex);
729 list_for_each_entry(part, &mtd_partitions, list) 747 list_for_each_entry(part, &mtd_partitions, list)
730 if (&part->mtd == mtd) { 748 if (&part->mtd == mtd) {
731 nopart = 1; 749 ispart = 1;
732 break; 750 break;
733 } 751 }
734 mutex_unlock(&mtd_partitions_mutex); 752 mutex_unlock(&mtd_partitions_mutex);
735 753
736 return nopart; 754 return ispart;
737} 755}
738EXPORT_SYMBOL_GPL(mtd_is_master); 756EXPORT_SYMBOL_GPL(mtd_is_partition);
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8229802b4346..c89592239bc7 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -96,6 +96,7 @@ config MTD_NAND_SPIA
96config MTD_NAND_AMS_DELTA 96config MTD_NAND_AMS_DELTA
97 tristate "NAND Flash device on Amstrad E3" 97 tristate "NAND Flash device on Amstrad E3"
98 depends on MACH_AMS_DELTA 98 depends on MACH_AMS_DELTA
99 default y
99 help 100 help
100 Support for NAND flash on Amstrad E3 (Delta). 101 Support for NAND flash on Amstrad E3 (Delta).
101 102
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index 2548e1065bf8..a067d090cb31 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -4,6 +4,8 @@
4 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> 4 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
5 * 5 *
6 * Derived from drivers/mtd/toto.c 6 * Derived from drivers/mtd/toto.c
7 * Converted to platform driver by Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
8 * Partially stolen from drivers/mtd/nand/plat_nand.c
7 * 9 *
8 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as 11 * it under the terms of the GNU General Public License version 2 as
@@ -62,9 +64,10 @@ static struct mtd_partition partition_info[] = {
62static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte) 64static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
63{ 65{
64 struct nand_chip *this = mtd->priv; 66 struct nand_chip *this = mtd->priv;
67 void __iomem *io_base = this->priv;
65 68
66 omap_writew(0, (OMAP1_MPUIO_BASE + OMAP_MPUIO_IO_CNTL)); 69 writew(0, io_base + OMAP_MPUIO_IO_CNTL);
67 omap_writew(byte, this->IO_ADDR_W); 70 writew(byte, this->IO_ADDR_W);
68 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE, 0); 71 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE, 0);
69 ndelay(40); 72 ndelay(40);
70 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE, 73 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE,
@@ -75,11 +78,12 @@ static u_char ams_delta_read_byte(struct mtd_info *mtd)
75{ 78{
76 u_char res; 79 u_char res;
77 struct nand_chip *this = mtd->priv; 80 struct nand_chip *this = mtd->priv;
81 void __iomem *io_base = this->priv;
78 82
79 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE, 0); 83 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE, 0);
80 ndelay(40); 84 ndelay(40);
81 omap_writew(~0, (OMAP1_MPUIO_BASE + OMAP_MPUIO_IO_CNTL)); 85 writew(~0, io_base + OMAP_MPUIO_IO_CNTL);
82 res = omap_readw(this->IO_ADDR_R); 86 res = readw(this->IO_ADDR_R);
83 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE, 87 ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE,
84 AMS_DELTA_LATCH2_NAND_NRE); 88 AMS_DELTA_LATCH2_NAND_NRE);
85 89
@@ -151,11 +155,16 @@ static int ams_delta_nand_ready(struct mtd_info *mtd)
151/* 155/*
152 * Main initialization routine 156 * Main initialization routine
153 */ 157 */
154static int __init ams_delta_init(void) 158static int __devinit ams_delta_init(struct platform_device *pdev)
155{ 159{
156 struct nand_chip *this; 160 struct nand_chip *this;
161 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
162 void __iomem *io_base;
157 int err = 0; 163 int err = 0;
158 164
165 if (!res)
166 return -ENXIO;
167
159 /* Allocate memory for MTD device structure and private data */ 168 /* Allocate memory for MTD device structure and private data */
160 ams_delta_mtd = kmalloc(sizeof(struct mtd_info) + 169 ams_delta_mtd = kmalloc(sizeof(struct mtd_info) +
161 sizeof(struct nand_chip), GFP_KERNEL); 170 sizeof(struct nand_chip), GFP_KERNEL);
@@ -177,9 +186,25 @@ static int __init ams_delta_init(void)
177 /* Link the private data with the MTD structure */ 186 /* Link the private data with the MTD structure */
178 ams_delta_mtd->priv = this; 187 ams_delta_mtd->priv = this;
179 188
189 if (!request_mem_region(res->start, resource_size(res),
190 dev_name(&pdev->dev))) {
191 dev_err(&pdev->dev, "request_mem_region failed\n");
192 err = -EBUSY;
193 goto out_free;
194 }
195
196 io_base = ioremap(res->start, resource_size(res));
197 if (io_base == NULL) {
198 dev_err(&pdev->dev, "ioremap failed\n");
199 err = -EIO;
200 goto out_release_io;
201 }
202
203 this->priv = io_base;
204
180 /* Set address of NAND IO lines */ 205 /* Set address of NAND IO lines */
181 this->IO_ADDR_R = (OMAP1_MPUIO_BASE + OMAP_MPUIO_INPUT_LATCH); 206 this->IO_ADDR_R = io_base + OMAP_MPUIO_INPUT_LATCH;
182 this->IO_ADDR_W = (OMAP1_MPUIO_BASE + OMAP_MPUIO_OUTPUT); 207 this->IO_ADDR_W = io_base + OMAP_MPUIO_OUTPUT;
183 this->read_byte = ams_delta_read_byte; 208 this->read_byte = ams_delta_read_byte;
184 this->write_buf = ams_delta_write_buf; 209 this->write_buf = ams_delta_write_buf;
185 this->read_buf = ams_delta_read_buf; 210 this->read_buf = ams_delta_read_buf;
@@ -195,6 +220,8 @@ static int __init ams_delta_init(void)
195 this->chip_delay = 30; 220 this->chip_delay = 30;
196 this->ecc.mode = NAND_ECC_SOFT; 221 this->ecc.mode = NAND_ECC_SOFT;
197 222
223 platform_set_drvdata(pdev, io_base);
224
198 /* Set chip enabled, but */ 225 /* Set chip enabled, but */
199 ams_delta_latch2_write(NAND_MASK, AMS_DELTA_LATCH2_NAND_NRE | 226 ams_delta_latch2_write(NAND_MASK, AMS_DELTA_LATCH2_NAND_NRE |
200 AMS_DELTA_LATCH2_NAND_NWE | 227 AMS_DELTA_LATCH2_NAND_NWE |
@@ -214,25 +241,56 @@ static int __init ams_delta_init(void)
214 goto out; 241 goto out;
215 242
216 out_mtd: 243 out_mtd:
244 platform_set_drvdata(pdev, NULL);
245 iounmap(io_base);
246out_release_io:
247 release_mem_region(res->start, resource_size(res));
248out_free:
217 kfree(ams_delta_mtd); 249 kfree(ams_delta_mtd);
218 out: 250 out:
219 return err; 251 return err;
220} 252}
221 253
222module_init(ams_delta_init);
223
224/* 254/*
225 * Clean up routine 255 * Clean up routine
226 */ 256 */
227static void __exit ams_delta_cleanup(void) 257static int __devexit ams_delta_cleanup(struct platform_device *pdev)
228{ 258{
259 void __iomem *io_base = platform_get_drvdata(pdev);
260 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
261
229 /* Release resources, unregister device */ 262 /* Release resources, unregister device */
230 nand_release(ams_delta_mtd); 263 nand_release(ams_delta_mtd);
231 264
265 iounmap(io_base);
266 release_mem_region(res->start, resource_size(res));
267
232 /* Free the MTD device structure */ 268 /* Free the MTD device structure */
233 kfree(ams_delta_mtd); 269 kfree(ams_delta_mtd);
270
271 return 0;
272}
273
274static struct platform_driver ams_delta_nand_driver = {
275 .probe = ams_delta_init,
276 .remove = __devexit_p(ams_delta_cleanup),
277 .driver = {
278 .name = "ams-delta-nand",
279 .owner = THIS_MODULE,
280 },
281};
282
283static int __init ams_delta_nand_init(void)
284{
285 return platform_driver_register(&ams_delta_nand_driver);
286}
287module_init(ams_delta_nand_init);
288
289static void __exit ams_delta_nand_exit(void)
290{
291 platform_driver_unregister(&ams_delta_nand_driver);
234} 292}
235module_exit(ams_delta_cleanup); 293module_exit(ams_delta_nand_exit);
236 294
237MODULE_LICENSE("GPL"); 295MODULE_LICENSE("GPL");
238MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>"); 296MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>");
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index c141b07b25d1..7a13d42cbabd 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -388,6 +388,8 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
388 "page_addr: 0x%x, column: 0x%x.\n", 388 "page_addr: 0x%x, column: 0x%x.\n",
389 page_addr, column); 389 page_addr, column);
390 390
391 elbc_fcm_ctrl->column = column;
392 elbc_fcm_ctrl->oob = 0;
391 elbc_fcm_ctrl->use_mdr = 1; 393 elbc_fcm_ctrl->use_mdr = 1;
392 394
393 fcr = (NAND_CMD_STATUS << FCR_CMD1_SHIFT) | 395 fcr = (NAND_CMD_STATUS << FCR_CMD1_SHIFT) |
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index 02edfba25b0c..205b10b9f9b9 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -31,6 +31,7 @@
31#include <linux/io.h> 31#include <linux/io.h>
32#include <linux/slab.h> 32#include <linux/slab.h>
33#include <linux/mtd/fsmc.h> 33#include <linux/mtd/fsmc.h>
34#include <linux/amba/bus.h>
34#include <mtd/mtd-abi.h> 35#include <mtd/mtd-abi.h>
35 36
36static struct nand_ecclayout fsmc_ecc1_layout = { 37static struct nand_ecclayout fsmc_ecc1_layout = {
@@ -119,21 +120,36 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = {
119 } 120 }
120}; 121};
121 122
122/*
123 * Default partition tables to be used if the partition information not
124 * provided through platform data
125 */
126#define PARTITION(n, off, sz) {.name = n, .offset = off, .size = sz}
127 123
124#ifdef CONFIG_MTD_PARTITIONS
128/* 125/*
126 * Default partition tables to be used if the partition information not
127 * provided through platform data.
128 *
129 * Default partition layout for small page(= 512 bytes) devices 129 * Default partition layout for small page(= 512 bytes) devices
130 * Size for "Root file system" is updated in driver based on actual device size 130 * Size for "Root file system" is updated in driver based on actual device size
131 */ 131 */
132static struct mtd_partition partition_info_16KB_blk[] = { 132static struct mtd_partition partition_info_16KB_blk[] = {
133 PARTITION("X-loader", 0, 4 * 0x4000), 133 {
134 PARTITION("U-Boot", 0x10000, 20 * 0x4000), 134 .name = "X-loader",
135 PARTITION("Kernel", 0x60000, 256 * 0x4000), 135 .offset = 0,
136 PARTITION("Root File System", 0x460000, 0), 136 .size = 4*0x4000,
137 },
138 {
139 .name = "U-Boot",
140 .offset = 0x10000,
141 .size = 20*0x4000,
142 },
143 {
144 .name = "Kernel",
145 .offset = 0x60000,
146 .size = 256*0x4000,
147 },
148 {
149 .name = "Root File System",
150 .offset = 0x460000,
151 .size = 0,
152 },
137}; 153};
138 154
139/* 155/*
@@ -141,19 +157,37 @@ static struct mtd_partition partition_info_16KB_blk[] = {
141 * Size for "Root file system" is updated in driver based on actual device size 157 * Size for "Root file system" is updated in driver based on actual device size
142 */ 158 */
143static struct mtd_partition partition_info_128KB_blk[] = { 159static struct mtd_partition partition_info_128KB_blk[] = {
144 PARTITION("X-loader", 0, 4 * 0x20000), 160 {
145 PARTITION("U-Boot", 0x80000, 12 * 0x20000), 161 .name = "X-loader",
146 PARTITION("Kernel", 0x200000, 48 * 0x20000), 162 .offset = 0,
147 PARTITION("Root File System", 0x800000, 0), 163 .size = 4*0x20000,
164 },
165 {
166 .name = "U-Boot",
167 .offset = 0x80000,
168 .size = 12*0x20000,
169 },
170 {
171 .name = "Kernel",
172 .offset = 0x200000,
173 .size = 48*0x20000,
174 },
175 {
176 .name = "Root File System",
177 .offset = 0x800000,
178 .size = 0,
179 },
148}; 180};
149 181
150#ifdef CONFIG_MTD_CMDLINE_PARTS 182#ifdef CONFIG_MTD_CMDLINE_PARTS
151const char *part_probes[] = { "cmdlinepart", NULL }; 183const char *part_probes[] = { "cmdlinepart", NULL };
152#endif 184#endif
185#endif
153 186
154/** 187/**
155 * struct fsmc_nand_data - atructure for FSMC NAND device state 188 * struct fsmc_nand_data - structure for FSMC NAND device state
156 * 189 *
190 * @pid: Part ID on the AMBA PrimeCell format
157 * @mtd: MTD info for a NAND flash. 191 * @mtd: MTD info for a NAND flash.
158 * @nand: Chip related info for a NAND flash. 192 * @nand: Chip related info for a NAND flash.
159 * @partitions: Partition info for a NAND Flash. 193 * @partitions: Partition info for a NAND Flash.
@@ -169,6 +203,7 @@ const char *part_probes[] = { "cmdlinepart", NULL };
169 * @regs_va: FSMC regs base address. 203 * @regs_va: FSMC regs base address.
170 */ 204 */
171struct fsmc_nand_data { 205struct fsmc_nand_data {
206 u32 pid;
172 struct mtd_info mtd; 207 struct mtd_info mtd;
173 struct nand_chip nand; 208 struct nand_chip nand;
174 struct mtd_partition *partitions; 209 struct mtd_partition *partitions;
@@ -508,7 +543,9 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
508 struct nand_chip *nand; 543 struct nand_chip *nand;
509 struct fsmc_regs *regs; 544 struct fsmc_regs *regs;
510 struct resource *res; 545 struct resource *res;
511 int nr_parts, ret = 0; 546 int ret = 0;
547 u32 pid;
548 int i;
512 549
513 if (!pdata) { 550 if (!pdata) {
514 dev_err(&pdev->dev, "platform data is NULL\n"); 551 dev_err(&pdev->dev, "platform data is NULL\n");
@@ -598,6 +635,18 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
598 if (ret) 635 if (ret)
599 goto err_probe1; 636 goto err_probe1;
600 637
638 /*
639 * This device ID is actually a common AMBA ID as used on the
640 * AMBA PrimeCell bus. However it is not a PrimeCell.
641 */
642 for (pid = 0, i = 0; i < 4; i++)
643 pid |= (readl(host->regs_va + resource_size(res) - 0x20 + 4 * i) & 255) << (i * 8);
644 host->pid = pid;
645 dev_info(&pdev->dev, "FSMC device partno %03x, manufacturer %02x, "
646 "revision %02x, config %02x\n",
647 AMBA_PART_BITS(pid), AMBA_MANF_BITS(pid),
648 AMBA_REV_BITS(pid), AMBA_CONFIG_BITS(pid));
649
601 host->bank = pdata->bank; 650 host->bank = pdata->bank;
602 host->select_chip = pdata->select_bank; 651 host->select_chip = pdata->select_bank;
603 regs = host->regs_va; 652 regs = host->regs_va;
@@ -625,7 +674,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
625 674
626 fsmc_nand_setup(regs, host->bank, nand->options & NAND_BUSWIDTH_16); 675 fsmc_nand_setup(regs, host->bank, nand->options & NAND_BUSWIDTH_16);
627 676
628 if (get_fsmc_version(host->regs_va) == FSMC_VER8) { 677 if (AMBA_REV_BITS(host->pid) >= 8) {
629 nand->ecc.read_page = fsmc_read_page_hwecc; 678 nand->ecc.read_page = fsmc_read_page_hwecc;
630 nand->ecc.calculate = fsmc_read_hwecc_ecc4; 679 nand->ecc.calculate = fsmc_read_hwecc_ecc4;
631 nand->ecc.correct = fsmc_correct_data; 680 nand->ecc.correct = fsmc_correct_data;
@@ -645,7 +694,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
645 goto err_probe; 694 goto err_probe;
646 } 695 }
647 696
648 if (get_fsmc_version(host->regs_va) == FSMC_VER8) { 697 if (AMBA_REV_BITS(host->pid) >= 8) {
649 if (host->mtd.writesize == 512) { 698 if (host->mtd.writesize == 512) {
650 nand->ecc.layout = &fsmc_ecc4_sp_layout; 699 nand->ecc.layout = &fsmc_ecc4_sp_layout;
651 host->ecc_place = &fsmc_ecc4_sp_place; 700 host->ecc_place = &fsmc_ecc4_sp_place;
@@ -676,11 +725,9 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
676 * Check if partition info passed via command line 725 * Check if partition info passed via command line
677 */ 726 */
678 host->mtd.name = "nand"; 727 host->mtd.name = "nand";
679 nr_parts = parse_mtd_partitions(&host->mtd, part_probes, 728 host->nr_partitions = parse_mtd_partitions(&host->mtd, part_probes,
680 &host->partitions, 0); 729 &host->partitions, 0);
681 if (nr_parts > 0) { 730 if (host->nr_partitions <= 0) {
682 host->nr_partitions = nr_parts;
683 } else {
684#endif 731#endif
685 /* 732 /*
686 * Check if partition info passed via command line 733 * Check if partition info passed via command line
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index 67343fc31bd5..cea38a5d4ac5 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -251,58 +251,6 @@ static int jz_nand_correct_ecc_rs(struct mtd_info *mtd, uint8_t *dat,
251 return 0; 251 return 0;
252} 252}
253 253
254
255/* Copy paste of nand_read_page_hwecc_oob_first except for different eccpos
256 * handling. The ecc area is for 4k chips 72 bytes long and thus does not fit
257 * into the eccpos array. */
258static int jz_nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
259 struct nand_chip *chip, uint8_t *buf, int page)
260{
261 int i, eccsize = chip->ecc.size;
262 int eccbytes = chip->ecc.bytes;
263 int eccsteps = chip->ecc.steps;
264 uint8_t *p = buf;
265 unsigned int ecc_offset = chip->page_shift;
266
267 /* Read the OOB area first */
268 chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
269 chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
270 chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
271
272 for (i = ecc_offset; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
273 int stat;
274
275 chip->ecc.hwctl(mtd, NAND_ECC_READ);
276 chip->read_buf(mtd, p, eccsize);
277
278 stat = chip->ecc.correct(mtd, p, &chip->oob_poi[i], NULL);
279 if (stat < 0)
280 mtd->ecc_stats.failed++;
281 else
282 mtd->ecc_stats.corrected += stat;
283 }
284 return 0;
285}
286
287/* Copy-and-paste of nand_write_page_hwecc with different eccpos handling. */
288static void jz_nand_write_page_hwecc(struct mtd_info *mtd,
289 struct nand_chip *chip, const uint8_t *buf)
290{
291 int i, eccsize = chip->ecc.size;
292 int eccbytes = chip->ecc.bytes;
293 int eccsteps = chip->ecc.steps;
294 const uint8_t *p = buf;
295 unsigned int ecc_offset = chip->page_shift;
296
297 for (i = ecc_offset; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
298 chip->ecc.hwctl(mtd, NAND_ECC_WRITE);
299 chip->write_buf(mtd, p, eccsize);
300 chip->ecc.calculate(mtd, p, &chip->oob_poi[i]);
301 }
302
303 chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
304}
305
306#ifdef CONFIG_MTD_CMDLINE_PARTS 254#ifdef CONFIG_MTD_CMDLINE_PARTS
307static const char *part_probes[] = {"cmdline", NULL}; 255static const char *part_probes[] = {"cmdline", NULL};
308#endif 256#endif
@@ -393,9 +341,6 @@ static int __devinit jz_nand_probe(struct platform_device *pdev)
393 chip->ecc.size = 512; 341 chip->ecc.size = 512;
394 chip->ecc.bytes = 9; 342 chip->ecc.bytes = 9;
395 343
396 chip->ecc.read_page = jz_nand_read_page_hwecc_oob_first;
397 chip->ecc.write_page = jz_nand_write_page_hwecc;
398
399 if (pdata) 344 if (pdata)
400 chip->ecc.layout = pdata->ecc_layout; 345 chip->ecc.layout = pdata->ecc_layout;
401 346
@@ -489,7 +434,7 @@ static int __devexit jz_nand_remove(struct platform_device *pdev)
489 return 0; 434 return 0;
490} 435}
491 436
492struct platform_driver jz_nand_driver = { 437static struct platform_driver jz_nand_driver = {
493 .probe = jz_nand_probe, 438 .probe = jz_nand_probe,
494 .remove = __devexit_p(jz_nand_remove), 439 .remove = __devexit_p(jz_nand_remove),
495 .driver = { 440 .driver = {
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 214b03afdd48..ef932ba55a0b 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1009,7 +1009,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
1009 struct mxc_nand_platform_data *pdata = pdev->dev.platform_data; 1009 struct mxc_nand_platform_data *pdata = pdev->dev.platform_data;
1010 struct mxc_nand_host *host; 1010 struct mxc_nand_host *host;
1011 struct resource *res; 1011 struct resource *res;
1012 int err = 0, nr_parts = 0; 1012 int err = 0, __maybe_unused nr_parts = 0;
1013 struct nand_ecclayout *oob_smallpage, *oob_largepage; 1013 struct nand_ecclayout *oob_smallpage, *oob_largepage;
1014 1014
1015 /* Allocate memory for MTD device structure and private data */ 1015 /* Allocate memory for MTD device structure and private data */
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 31bf376b82a0..a9c6ce745767 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2865,20 +2865,24 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
2865 2865
2866 /* check version */ 2866 /* check version */
2867 val = le16_to_cpu(p->revision); 2867 val = le16_to_cpu(p->revision);
2868 if (val == 1 || val > (1 << 4)) { 2868 if (val & (1 << 5))
2869 printk(KERN_INFO "%s: unsupported ONFI version: %d\n", 2869 chip->onfi_version = 23;
2870 __func__, val); 2870 else if (val & (1 << 4))
2871 return 0;
2872 }
2873
2874 if (val & (1 << 4))
2875 chip->onfi_version = 22; 2871 chip->onfi_version = 22;
2876 else if (val & (1 << 3)) 2872 else if (val & (1 << 3))
2877 chip->onfi_version = 21; 2873 chip->onfi_version = 21;
2878 else if (val & (1 << 2)) 2874 else if (val & (1 << 2))
2879 chip->onfi_version = 20; 2875 chip->onfi_version = 20;
2880 else 2876 else if (val & (1 << 1))
2881 chip->onfi_version = 10; 2877 chip->onfi_version = 10;
2878 else
2879 chip->onfi_version = 0;
2880
2881 if (!chip->onfi_version) {
2882 printk(KERN_INFO "%s: unsupported ONFI version: %d\n",
2883 __func__, val);
2884 return 0;
2885 }
2882 2886
2883 sanitize_string(p->manufacturer, sizeof(p->manufacturer)); 2887 sanitize_string(p->manufacturer, sizeof(p->manufacturer));
2884 sanitize_string(p->model, sizeof(p->model)); 2888 sanitize_string(p->model, sizeof(p->model));
@@ -2887,7 +2891,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
2887 mtd->writesize = le32_to_cpu(p->byte_per_page); 2891 mtd->writesize = le32_to_cpu(p->byte_per_page);
2888 mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize; 2892 mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
2889 mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page); 2893 mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
2890 chip->chipsize = le32_to_cpu(p->blocks_per_lun) * mtd->erasesize; 2894 chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
2891 busw = 0; 2895 busw = 0;
2892 if (le16_to_cpu(p->features) & 1) 2896 if (le16_to_cpu(p->features) & 1)
2893 busw = NAND_BUSWIDTH_16; 2897 busw = NAND_BUSWIDTH_16;
@@ -3157,7 +3161,7 @@ ident_done:
3157 printk(KERN_INFO "NAND device: Manufacturer ID:" 3161 printk(KERN_INFO "NAND device: Manufacturer ID:"
3158 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", *maf_id, *dev_id, 3162 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", *maf_id, *dev_id,
3159 nand_manuf_ids[maf_idx].name, 3163 nand_manuf_ids[maf_idx].name,
3160 chip->onfi_version ? type->name : chip->onfi_params.model); 3164 chip->onfi_version ? chip->onfi_params.model : type->name);
3161 3165
3162 return type; 3166 return type;
3163} 3167}
@@ -3435,6 +3439,7 @@ int nand_scan_tail(struct mtd_info *mtd)
3435 mtd->resume = nand_resume; 3439 mtd->resume = nand_resume;
3436 mtd->block_isbad = nand_block_isbad; 3440 mtd->block_isbad = nand_block_isbad;
3437 mtd->block_markbad = nand_block_markbad; 3441 mtd->block_markbad = nand_block_markbad;
3442 mtd->writebufsize = mtd->writesize;
3438 3443
3439 /* propagate ecc.layout to mtd_info */ 3444 /* propagate ecc.layout to mtd_info */
3440 mtd->ecclayout = chip->ecc.layout; 3445 mtd->ecclayout = chip->ecc.layout;
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 586b981f0e61..6ebd869993aa 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -1092,7 +1092,8 @@ static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td)
1092 1092
1093/** 1093/**
1094 * verify_bbt_descr - verify the bad block description 1094 * verify_bbt_descr - verify the bad block description
1095 * @bd: the table to verify 1095 * @mtd: MTD device structure
1096 * @bd: the table to verify
1096 * 1097 *
1097 * This functions performs a few sanity checks on the bad block description 1098 * This functions performs a few sanity checks on the bad block description
1098 * table. 1099 * table.
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index a6a73aab1253..a5aa99f014ba 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -210,12 +210,12 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
210#define STATE_CMD_READ0 0x00000001 /* read data from the beginning of page */ 210#define STATE_CMD_READ0 0x00000001 /* read data from the beginning of page */
211#define STATE_CMD_READ1 0x00000002 /* read data from the second half of page */ 211#define STATE_CMD_READ1 0x00000002 /* read data from the second half of page */
212#define STATE_CMD_READSTART 0x00000003 /* read data second command (large page devices) */ 212#define STATE_CMD_READSTART 0x00000003 /* read data second command (large page devices) */
213#define STATE_CMD_PAGEPROG 0x00000004 /* start page programm */ 213#define STATE_CMD_PAGEPROG 0x00000004 /* start page program */
214#define STATE_CMD_READOOB 0x00000005 /* read OOB area */ 214#define STATE_CMD_READOOB 0x00000005 /* read OOB area */
215#define STATE_CMD_ERASE1 0x00000006 /* sector erase first command */ 215#define STATE_CMD_ERASE1 0x00000006 /* sector erase first command */
216#define STATE_CMD_STATUS 0x00000007 /* read status */ 216#define STATE_CMD_STATUS 0x00000007 /* read status */
217#define STATE_CMD_STATUS_M 0x00000008 /* read multi-plane status (isn't implemented) */ 217#define STATE_CMD_STATUS_M 0x00000008 /* read multi-plane status (isn't implemented) */
218#define STATE_CMD_SEQIN 0x00000009 /* sequential data imput */ 218#define STATE_CMD_SEQIN 0x00000009 /* sequential data input */
219#define STATE_CMD_READID 0x0000000A /* read ID */ 219#define STATE_CMD_READID 0x0000000A /* read ID */
220#define STATE_CMD_ERASE2 0x0000000B /* sector erase second command */ 220#define STATE_CMD_ERASE2 0x0000000B /* sector erase second command */
221#define STATE_CMD_RESET 0x0000000C /* reset */ 221#define STATE_CMD_RESET 0x0000000C /* reset */
@@ -230,7 +230,7 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
230#define STATE_ADDR_ZERO 0x00000040 /* one byte zero address was accepted */ 230#define STATE_ADDR_ZERO 0x00000040 /* one byte zero address was accepted */
231#define STATE_ADDR_MASK 0x00000070 /* address states mask */ 231#define STATE_ADDR_MASK 0x00000070 /* address states mask */
232 232
233/* Durind data input/output the simulator is in these states */ 233/* During data input/output the simulator is in these states */
234#define STATE_DATAIN 0x00000100 /* waiting for data input */ 234#define STATE_DATAIN 0x00000100 /* waiting for data input */
235#define STATE_DATAIN_MASK 0x00000100 /* data input states mask */ 235#define STATE_DATAIN_MASK 0x00000100 /* data input states mask */
236 236
@@ -248,7 +248,7 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
248 248
249/* Simulator's actions bit masks */ 249/* Simulator's actions bit masks */
250#define ACTION_CPY 0x00100000 /* copy page/OOB to the internal buffer */ 250#define ACTION_CPY 0x00100000 /* copy page/OOB to the internal buffer */
251#define ACTION_PRGPAGE 0x00200000 /* programm the internal buffer to flash */ 251#define ACTION_PRGPAGE 0x00200000 /* program the internal buffer to flash */
252#define ACTION_SECERASE 0x00300000 /* erase sector */ 252#define ACTION_SECERASE 0x00300000 /* erase sector */
253#define ACTION_ZEROOFF 0x00400000 /* don't add any offset to address */ 253#define ACTION_ZEROOFF 0x00400000 /* don't add any offset to address */
254#define ACTION_HALFOFF 0x00500000 /* add to address half of page */ 254#define ACTION_HALFOFF 0x00500000 /* add to address half of page */
@@ -263,18 +263,18 @@ MODULE_PARM_DESC(bbt, "0 OOB, 1 BBT with marker in OOB, 2 BBT with marker in d
263#define OPT_PAGE512 0x00000002 /* 512-byte page chips */ 263#define OPT_PAGE512 0x00000002 /* 512-byte page chips */
264#define OPT_PAGE2048 0x00000008 /* 2048-byte page chips */ 264#define OPT_PAGE2048 0x00000008 /* 2048-byte page chips */
265#define OPT_SMARTMEDIA 0x00000010 /* SmartMedia technology chips */ 265#define OPT_SMARTMEDIA 0x00000010 /* SmartMedia technology chips */
266#define OPT_AUTOINCR 0x00000020 /* page number auto inctimentation is possible */ 266#define OPT_AUTOINCR 0x00000020 /* page number auto incrementation is possible */
267#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */ 267#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */
268#define OPT_PAGE4096 0x00000080 /* 4096-byte page chips */ 268#define OPT_PAGE4096 0x00000080 /* 4096-byte page chips */
269#define OPT_LARGEPAGE (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */ 269#define OPT_LARGEPAGE (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */
270#define OPT_SMALLPAGE (OPT_PAGE256 | OPT_PAGE512) /* 256 and 512-byte page chips */ 270#define OPT_SMALLPAGE (OPT_PAGE256 | OPT_PAGE512) /* 256 and 512-byte page chips */
271 271
272/* Remove action bits ftom state */ 272/* Remove action bits from state */
273#define NS_STATE(x) ((x) & ~ACTION_MASK) 273#define NS_STATE(x) ((x) & ~ACTION_MASK)
274 274
275/* 275/*
276 * Maximum previous states which need to be saved. Currently saving is 276 * Maximum previous states which need to be saved. Currently saving is
277 * only needed for page programm operation with preceeded read command 277 * only needed for page program operation with preceded read command
278 * (which is only valid for 512-byte pages). 278 * (which is only valid for 512-byte pages).
279 */ 279 */
280#define NS_MAX_PREVSTATES 1 280#define NS_MAX_PREVSTATES 1
@@ -380,16 +380,16 @@ static struct nandsim_operations {
380 /* Read OOB */ 380 /* Read OOB */
381 {OPT_SMALLPAGE, {STATE_CMD_READOOB | ACTION_OOBOFF, STATE_ADDR_PAGE | ACTION_CPY, 381 {OPT_SMALLPAGE, {STATE_CMD_READOOB | ACTION_OOBOFF, STATE_ADDR_PAGE | ACTION_CPY,
382 STATE_DATAOUT, STATE_READY}}, 382 STATE_DATAOUT, STATE_READY}},
383 /* Programm page starting from the beginning */ 383 /* Program page starting from the beginning */
384 {OPT_ANY, {STATE_CMD_SEQIN, STATE_ADDR_PAGE, STATE_DATAIN, 384 {OPT_ANY, {STATE_CMD_SEQIN, STATE_ADDR_PAGE, STATE_DATAIN,
385 STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}}, 385 STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
386 /* Programm page starting from the beginning */ 386 /* Program page starting from the beginning */
387 {OPT_SMALLPAGE, {STATE_CMD_READ0, STATE_CMD_SEQIN | ACTION_ZEROOFF, STATE_ADDR_PAGE, 387 {OPT_SMALLPAGE, {STATE_CMD_READ0, STATE_CMD_SEQIN | ACTION_ZEROOFF, STATE_ADDR_PAGE,
388 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}}, 388 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
389 /* Programm page starting from the second half */ 389 /* Program page starting from the second half */
390 {OPT_PAGE512, {STATE_CMD_READ1, STATE_CMD_SEQIN | ACTION_HALFOFF, STATE_ADDR_PAGE, 390 {OPT_PAGE512, {STATE_CMD_READ1, STATE_CMD_SEQIN | ACTION_HALFOFF, STATE_ADDR_PAGE,
391 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}}, 391 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
392 /* Programm OOB */ 392 /* Program OOB */
393 {OPT_SMALLPAGE, {STATE_CMD_READOOB, STATE_CMD_SEQIN | ACTION_OOBOFF, STATE_ADDR_PAGE, 393 {OPT_SMALLPAGE, {STATE_CMD_READOOB, STATE_CMD_SEQIN | ACTION_OOBOFF, STATE_ADDR_PAGE,
394 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}}, 394 STATE_DATAIN, STATE_CMD_PAGEPROG | ACTION_PRGPAGE, STATE_READY}},
395 /* Erase sector */ 395 /* Erase sector */
@@ -470,7 +470,7 @@ static int alloc_device(struct nandsim *ns)
470 err = -EINVAL; 470 err = -EINVAL;
471 goto err_close; 471 goto err_close;
472 } 472 }
473 ns->pages_written = vmalloc(ns->geom.pgnum); 473 ns->pages_written = vzalloc(ns->geom.pgnum);
474 if (!ns->pages_written) { 474 if (!ns->pages_written) {
475 NS_ERR("alloc_device: unable to allocate pages written array\n"); 475 NS_ERR("alloc_device: unable to allocate pages written array\n");
476 err = -ENOMEM; 476 err = -ENOMEM;
@@ -483,7 +483,6 @@ static int alloc_device(struct nandsim *ns)
483 goto err_free; 483 goto err_free;
484 } 484 }
485 ns->cfile = cfile; 485 ns->cfile = cfile;
486 memset(ns->pages_written, 0, ns->geom.pgnum);
487 return 0; 486 return 0;
488 } 487 }
489 488
@@ -1171,9 +1170,9 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
1171 * of supported operations. 1170 * of supported operations.
1172 * 1171 *
1173 * Operation can be unknown because of the following. 1172 * Operation can be unknown because of the following.
1174 * 1. New command was accepted and this is the firs call to find the 1173 * 1. New command was accepted and this is the first call to find the
1175 * correspondent states chain. In this case ns->npstates = 0; 1174 * correspondent states chain. In this case ns->npstates = 0;
1176 * 2. There is several operations which begin with the same command(s) 1175 * 2. There are several operations which begin with the same command(s)
1177 * (for example program from the second half and read from the 1176 * (for example program from the second half and read from the
1178 * second half operations both begin with the READ1 command). In this 1177 * second half operations both begin with the READ1 command). In this
1179 * case the ns->pstates[] array contains previous states. 1178 * case the ns->pstates[] array contains previous states.
@@ -1186,7 +1185,7 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
1186 * ns->ops, ns->state, ns->nxstate are initialized, ns->npstate is 1185 * ns->ops, ns->state, ns->nxstate are initialized, ns->npstate is
1187 * zeroed). 1186 * zeroed).
1188 * 1187 *
1189 * If there are several maches, the current state is pushed to the 1188 * If there are several matches, the current state is pushed to the
1190 * ns->pstates. 1189 * ns->pstates.
1191 * 1190 *
1192 * The operation can be unknown only while commands are input to the chip. 1191 * The operation can be unknown only while commands are input to the chip.
@@ -1195,10 +1194,10 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
1195 * operation is searched using the following pattern: 1194 * operation is searched using the following pattern:
1196 * ns->pstates[0], ... ns->pstates[ns->npstates], <address input> 1195 * ns->pstates[0], ... ns->pstates[ns->npstates], <address input>
1197 * 1196 *
1198 * It is supposed that this pattern must either match one operation on 1197 * It is supposed that this pattern must either match one operation or
1199 * none. There can't be ambiguity in that case. 1198 * none. There can't be ambiguity in that case.
1200 * 1199 *
1201 * If no matches found, the functions does the following: 1200 * If no matches found, the function does the following:
1202 * 1. if there are saved states present, try to ignore them and search 1201 * 1. if there are saved states present, try to ignore them and search
1203 * again only using the last command. If nothing was found, switch 1202 * again only using the last command. If nothing was found, switch
1204 * to the STATE_READY state. 1203 * to the STATE_READY state.
@@ -1668,7 +1667,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
1668 1667
1669 case ACTION_PRGPAGE: 1668 case ACTION_PRGPAGE:
1670 /* 1669 /*
1671 * Programm page - move internal buffer data to the page. 1670 * Program page - move internal buffer data to the page.
1672 */ 1671 */
1673 1672
1674 if (ns->lines.wp) { 1673 if (ns->lines.wp) {
@@ -1933,7 +1932,7 @@ static u_char ns_nand_read_byte(struct mtd_info *mtd)
1933 NS_DBG("read_byte: all bytes were read\n"); 1932 NS_DBG("read_byte: all bytes were read\n");
1934 1933
1935 /* 1934 /*
1936 * The OPT_AUTOINCR allows to read next conseqitive pages without 1935 * The OPT_AUTOINCR allows to read next consecutive pages without
1937 * new read operation cycle. 1936 * new read operation cycle.
1938 */ 1937 */
1939 if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) { 1938 if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index 6ddb2461d740..bb277a54986f 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -107,7 +107,7 @@ static int __devinit pasemi_nand_probe(struct platform_device *ofdev,
107 if (pasemi_nand_mtd) 107 if (pasemi_nand_mtd)
108 return -ENODEV; 108 return -ENODEV;
109 109
110 pr_debug("pasemi_nand at %llx-%llx\n", res.start, res.end); 110 pr_debug("pasemi_nand at %pR\n", &res);
111 111
112 /* Allocate memory for MTD device structure and private data */ 112 /* Allocate memory for MTD device structure and private data */
113 pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) + 113 pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) +
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 17f8518cc5eb..ea2c288df3f6 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -885,6 +885,7 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
885 /* set info fields needed to __readid */ 885 /* set info fields needed to __readid */
886 info->read_id_bytes = (info->page_size == 2048) ? 4 : 2; 886 info->read_id_bytes = (info->page_size == 2048) ? 4 : 2;
887 info->reg_ndcr = ndcr; 887 info->reg_ndcr = ndcr;
888 info->cmdset = &default_cmdset;
888 889
889 if (__readid(info, &id)) 890 if (__readid(info, &id))
890 return -ENODEV; 891 return -ENODEV;
@@ -915,7 +916,6 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
915 916
916 info->ndtr0cs0 = nand_readl(info, NDTR0CS0); 917 info->ndtr0cs0 = nand_readl(info, NDTR0CS0);
917 info->ndtr1cs0 = nand_readl(info, NDTR1CS0); 918 info->ndtr1cs0 = nand_readl(info, NDTR1CS0);
918 info->cmdset = &default_cmdset;
919 919
920 return 0; 920 return 0;
921} 921}
diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c
index 054a41c0ef4a..ca270a4881a4 100644
--- a/drivers/mtd/nand/txx9ndfmc.c
+++ b/drivers/mtd/nand/txx9ndfmc.c
@@ -277,8 +277,9 @@ static int txx9ndfmc_nand_scan(struct mtd_info *mtd)
277 ret = nand_scan_ident(mtd, 1, NULL); 277 ret = nand_scan_ident(mtd, 1, NULL);
278 if (!ret) { 278 if (!ret) {
279 if (mtd->writesize >= 512) { 279 if (mtd->writesize >= 512) {
280 chip->ecc.size = mtd->writesize; 280 /* Hardware ECC 6 byte ECC per 512 Byte data */
281 chip->ecc.bytes = 3 * (mtd->writesize / 256); 281 chip->ecc.size = 512;
282 chip->ecc.bytes = 6;
282 } 283 }
283 ret = nand_scan_tail(mtd); 284 ret = nand_scan_tail(mtd);
284 } 285 }
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index d0894ca7798b..ac31f461cc1c 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -35,6 +35,7 @@
35#include <linux/dma-mapping.h> 35#include <linux/dma-mapping.h>
36#include <linux/io.h> 36#include <linux/io.h>
37#include <linux/slab.h> 37#include <linux/slab.h>
38#include <linux/regulator/consumer.h>
38 39
39#include <asm/mach/flash.h> 40#include <asm/mach/flash.h>
40#include <plat/gpmc.h> 41#include <plat/gpmc.h>
@@ -63,8 +64,13 @@ struct omap2_onenand {
63 int dma_channel; 64 int dma_channel;
64 int freq; 65 int freq;
65 int (*setup)(void __iomem *base, int freq); 66 int (*setup)(void __iomem *base, int freq);
67 struct regulator *regulator;
66}; 68};
67 69
70#ifdef CONFIG_MTD_PARTITIONS
71static const char *part_probes[] = { "cmdlinepart", NULL, };
72#endif
73
68static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data) 74static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data)
69{ 75{
70 struct omap2_onenand *c = data; 76 struct omap2_onenand *c = data;
@@ -108,8 +114,9 @@ static void wait_warn(char *msg, int state, unsigned int ctrl,
108static int omap2_onenand_wait(struct mtd_info *mtd, int state) 114static int omap2_onenand_wait(struct mtd_info *mtd, int state)
109{ 115{
110 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); 116 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
117 struct onenand_chip *this = mtd->priv;
111 unsigned int intr = 0; 118 unsigned int intr = 0;
112 unsigned int ctrl; 119 unsigned int ctrl, ctrl_mask;
113 unsigned long timeout; 120 unsigned long timeout;
114 u32 syscfg; 121 u32 syscfg;
115 122
@@ -180,7 +187,8 @@ retry:
180 if (result == 0) { 187 if (result == 0) {
181 /* Timeout after 20ms */ 188 /* Timeout after 20ms */
182 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); 189 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
183 if (ctrl & ONENAND_CTRL_ONGO) { 190 if (ctrl & ONENAND_CTRL_ONGO &&
191 !this->ongoing) {
184 /* 192 /*
185 * The operation seems to be still going 193 * The operation seems to be still going
186 * so give it some more time. 194 * so give it some more time.
@@ -269,7 +277,11 @@ retry:
269 return -EIO; 277 return -EIO;
270 } 278 }
271 279
272 if (ctrl & 0xFE9F) 280 ctrl_mask = 0xFE9F;
281 if (this->ongoing)
282 ctrl_mask &= ~0x8000;
283
284 if (ctrl & ctrl_mask)
273 wait_warn("unexpected controller status", state, ctrl, intr); 285 wait_warn("unexpected controller status", state, ctrl, intr);
274 286
275 return 0; 287 return 0;
@@ -591,6 +603,30 @@ static void omap2_onenand_shutdown(struct platform_device *pdev)
591 memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE); 603 memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE);
592} 604}
593 605
606static int omap2_onenand_enable(struct mtd_info *mtd)
607{
608 int ret;
609 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
610
611 ret = regulator_enable(c->regulator);
612 if (ret != 0)
613 dev_err(&c->pdev->dev, "cant enable regulator\n");
614
615 return ret;
616}
617
618static int omap2_onenand_disable(struct mtd_info *mtd)
619{
620 int ret;
621 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
622
623 ret = regulator_disable(c->regulator);
624 if (ret != 0)
625 dev_err(&c->pdev->dev, "cant disable regulator\n");
626
627 return ret;
628}
629
594static int __devinit omap2_onenand_probe(struct platform_device *pdev) 630static int __devinit omap2_onenand_probe(struct platform_device *pdev)
595{ 631{
596 struct omap_onenand_platform_data *pdata; 632 struct omap_onenand_platform_data *pdata;
@@ -705,8 +741,18 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
705 } 741 }
706 } 742 }
707 743
744 if (pdata->regulator_can_sleep) {
745 c->regulator = regulator_get(&pdev->dev, "vonenand");
746 if (IS_ERR(c->regulator)) {
747 dev_err(&pdev->dev, "Failed to get regulator\n");
748 goto err_release_dma;
749 }
750 c->onenand.enable = omap2_onenand_enable;
751 c->onenand.disable = omap2_onenand_disable;
752 }
753
708 if ((r = onenand_scan(&c->mtd, 1)) < 0) 754 if ((r = onenand_scan(&c->mtd, 1)) < 0)
709 goto err_release_dma; 755 goto err_release_regulator;
710 756
711 switch ((c->onenand.version_id >> 4) & 0xf) { 757 switch ((c->onenand.version_id >> 4) & 0xf) {
712 case 0: 758 case 0:
@@ -727,13 +773,15 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
727 } 773 }
728 774
729#ifdef CONFIG_MTD_PARTITIONS 775#ifdef CONFIG_MTD_PARTITIONS
730 if (pdata->parts != NULL) 776 r = parse_mtd_partitions(&c->mtd, part_probes, &c->parts, 0);
731 r = add_mtd_partitions(&c->mtd, pdata->parts, 777 if (r > 0)
732 pdata->nr_parts); 778 r = add_mtd_partitions(&c->mtd, c->parts, r);
779 else if (pdata->parts != NULL)
780 r = add_mtd_partitions(&c->mtd, pdata->parts, pdata->nr_parts);
733 else 781 else
734#endif 782#endif
735 r = add_mtd_device(&c->mtd); 783 r = add_mtd_device(&c->mtd);
736 if (r < 0) 784 if (r)
737 goto err_release_onenand; 785 goto err_release_onenand;
738 786
739 platform_set_drvdata(pdev, c); 787 platform_set_drvdata(pdev, c);
@@ -742,6 +790,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
742 790
743err_release_onenand: 791err_release_onenand:
744 onenand_release(&c->mtd); 792 onenand_release(&c->mtd);
793err_release_regulator:
794 regulator_put(c->regulator);
745err_release_dma: 795err_release_dma:
746 if (c->dma_channel != -1) 796 if (c->dma_channel != -1)
747 omap_free_dma(c->dma_channel); 797 omap_free_dma(c->dma_channel);
@@ -757,6 +807,7 @@ err_release_mem_region:
757err_free_cs: 807err_free_cs:
758 gpmc_cs_free(c->gpmc_cs); 808 gpmc_cs_free(c->gpmc_cs);
759err_kfree: 809err_kfree:
810 kfree(c->parts);
760 kfree(c); 811 kfree(c);
761 812
762 return r; 813 return r;
@@ -766,18 +817,8 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
766{ 817{
767 struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); 818 struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
768 819
769 BUG_ON(c == NULL);
770
771#ifdef CONFIG_MTD_PARTITIONS
772 if (c->parts)
773 del_mtd_partitions(&c->mtd);
774 else
775 del_mtd_device(&c->mtd);
776#else
777 del_mtd_device(&c->mtd);
778#endif
779
780 onenand_release(&c->mtd); 820 onenand_release(&c->mtd);
821 regulator_put(c->regulator);
781 if (c->dma_channel != -1) 822 if (c->dma_channel != -1)
782 omap_free_dma(c->dma_channel); 823 omap_free_dma(c->dma_channel);
783 omap2_onenand_shutdown(pdev); 824 omap2_onenand_shutdown(pdev);
@@ -789,6 +830,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
789 iounmap(c->onenand.base); 830 iounmap(c->onenand.base);
790 release_mem_region(c->phys_base, ONENAND_IO_SIZE); 831 release_mem_region(c->phys_base, ONENAND_IO_SIZE);
791 gpmc_cs_free(c->gpmc_cs); 832 gpmc_cs_free(c->gpmc_cs);
833 kfree(c->parts);
792 kfree(c); 834 kfree(c);
793 835
794 return 0; 836 return 0;
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 6b3a875647c9..bac41caa8df7 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -400,8 +400,7 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le
400 value = onenand_bufferram_address(this, block); 400 value = onenand_bufferram_address(this, block);
401 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); 401 this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
402 402
403 if (ONENAND_IS_MLC(this) || ONENAND_IS_2PLANE(this) || 403 if (ONENAND_IS_2PLANE(this) || ONENAND_IS_4KB_PAGE(this))
404 ONENAND_IS_4KB_PAGE(this))
405 /* It is always BufferRAM0 */ 404 /* It is always BufferRAM0 */
406 ONENAND_SET_BUFFERRAM0(this); 405 ONENAND_SET_BUFFERRAM0(this);
407 else 406 else
@@ -430,7 +429,7 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le
430 case FLEXONENAND_CMD_RECOVER_LSB: 429 case FLEXONENAND_CMD_RECOVER_LSB:
431 case ONENAND_CMD_READ: 430 case ONENAND_CMD_READ:
432 case ONENAND_CMD_READOOB: 431 case ONENAND_CMD_READOOB:
433 if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this)) 432 if (ONENAND_IS_4KB_PAGE(this))
434 /* It is always BufferRAM0 */ 433 /* It is always BufferRAM0 */
435 dataram = ONENAND_SET_BUFFERRAM0(this); 434 dataram = ONENAND_SET_BUFFERRAM0(this);
436 else 435 else
@@ -949,6 +948,8 @@ static int onenand_get_device(struct mtd_info *mtd, int new_state)
949 if (this->state == FL_READY) { 948 if (this->state == FL_READY) {
950 this->state = new_state; 949 this->state = new_state;
951 spin_unlock(&this->chip_lock); 950 spin_unlock(&this->chip_lock);
951 if (new_state != FL_PM_SUSPENDED && this->enable)
952 this->enable(mtd);
952 break; 953 break;
953 } 954 }
954 if (new_state == FL_PM_SUSPENDED) { 955 if (new_state == FL_PM_SUSPENDED) {
@@ -975,6 +976,8 @@ static void onenand_release_device(struct mtd_info *mtd)
975{ 976{
976 struct onenand_chip *this = mtd->priv; 977 struct onenand_chip *this = mtd->priv;
977 978
979 if (this->state != FL_PM_SUSPENDED && this->disable)
980 this->disable(mtd);
978 /* Release the chip */ 981 /* Release the chip */
979 spin_lock(&this->chip_lock); 982 spin_lock(&this->chip_lock);
980 this->state = FL_READY; 983 this->state = FL_READY;
@@ -1353,7 +1356,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from,
1353 1356
1354 stats = mtd->ecc_stats; 1357 stats = mtd->ecc_stats;
1355 1358
1356 readcmd = ONENAND_IS_MLC(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB; 1359 readcmd = ONENAND_IS_4KB_PAGE(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB;
1357 1360
1358 while (read < len) { 1361 while (read < len) {
1359 cond_resched(); 1362 cond_resched();
@@ -1429,7 +1432,7 @@ static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
1429 int ret; 1432 int ret;
1430 1433
1431 onenand_get_device(mtd, FL_READING); 1434 onenand_get_device(mtd, FL_READING);
1432 ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ? 1435 ret = ONENAND_IS_4KB_PAGE(this) ?
1433 onenand_mlc_read_ops_nolock(mtd, from, &ops) : 1436 onenand_mlc_read_ops_nolock(mtd, from, &ops) :
1434 onenand_read_ops_nolock(mtd, from, &ops); 1437 onenand_read_ops_nolock(mtd, from, &ops);
1435 onenand_release_device(mtd); 1438 onenand_release_device(mtd);
@@ -1464,7 +1467,7 @@ static int onenand_read_oob(struct mtd_info *mtd, loff_t from,
1464 1467
1465 onenand_get_device(mtd, FL_READING); 1468 onenand_get_device(mtd, FL_READING);
1466 if (ops->datbuf) 1469 if (ops->datbuf)
1467 ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ? 1470 ret = ONENAND_IS_4KB_PAGE(this) ?
1468 onenand_mlc_read_ops_nolock(mtd, from, ops) : 1471 onenand_mlc_read_ops_nolock(mtd, from, ops) :
1469 onenand_read_ops_nolock(mtd, from, ops); 1472 onenand_read_ops_nolock(mtd, from, ops);
1470 else 1473 else
@@ -1485,8 +1488,7 @@ static int onenand_bbt_wait(struct mtd_info *mtd, int state)
1485{ 1488{
1486 struct onenand_chip *this = mtd->priv; 1489 struct onenand_chip *this = mtd->priv;
1487 unsigned long timeout; 1490 unsigned long timeout;
1488 unsigned int interrupt; 1491 unsigned int interrupt, ctrl, ecc, addr1, addr8;
1489 unsigned int ctrl;
1490 1492
1491 /* The 20 msec is enough */ 1493 /* The 20 msec is enough */
1492 timeout = jiffies + msecs_to_jiffies(20); 1494 timeout = jiffies + msecs_to_jiffies(20);
@@ -1498,25 +1500,28 @@ static int onenand_bbt_wait(struct mtd_info *mtd, int state)
1498 /* To get correct interrupt status in timeout case */ 1500 /* To get correct interrupt status in timeout case */
1499 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT); 1501 interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT);
1500 ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS); 1502 ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS);
1503 addr1 = this->read_word(this->base + ONENAND_REG_START_ADDRESS1);
1504 addr8 = this->read_word(this->base + ONENAND_REG_START_ADDRESS8);
1501 1505
1502 if (interrupt & ONENAND_INT_READ) { 1506 if (interrupt & ONENAND_INT_READ) {
1503 int ecc = onenand_read_ecc(this); 1507 ecc = onenand_read_ecc(this);
1504 if (ecc & ONENAND_ECC_2BIT_ALL) { 1508 if (ecc & ONENAND_ECC_2BIT_ALL) {
1505 printk(KERN_WARNING "%s: ecc error = 0x%04x, " 1509 printk(KERN_DEBUG "%s: ecc 0x%04x ctrl 0x%04x "
1506 "controller error 0x%04x\n", 1510 "intr 0x%04x addr1 %#x addr8 %#x\n",
1507 __func__, ecc, ctrl); 1511 __func__, ecc, ctrl, interrupt, addr1, addr8);
1508 return ONENAND_BBT_READ_ECC_ERROR; 1512 return ONENAND_BBT_READ_ECC_ERROR;
1509 } 1513 }
1510 } else { 1514 } else {
1511 printk(KERN_ERR "%s: read timeout! ctrl=0x%04x intr=0x%04x\n", 1515 printk(KERN_ERR "%s: read timeout! ctrl 0x%04x "
1512 __func__, ctrl, interrupt); 1516 "intr 0x%04x addr1 %#x addr8 %#x\n",
1517 __func__, ctrl, interrupt, addr1, addr8);
1513 return ONENAND_BBT_READ_FATAL_ERROR; 1518 return ONENAND_BBT_READ_FATAL_ERROR;
1514 } 1519 }
1515 1520
1516 /* Initial bad block case: 0x2400 or 0x0400 */ 1521 /* Initial bad block case: 0x2400 or 0x0400 */
1517 if (ctrl & ONENAND_CTRL_ERROR) { 1522 if (ctrl & ONENAND_CTRL_ERROR) {
1518 printk(KERN_DEBUG "%s: controller error = 0x%04x\n", 1523 printk(KERN_DEBUG "%s: ctrl 0x%04x intr 0x%04x addr1 %#x "
1519 __func__, ctrl); 1524 "addr8 %#x\n", __func__, ctrl, interrupt, addr1, addr8);
1520 return ONENAND_BBT_READ_ERROR; 1525 return ONENAND_BBT_READ_ERROR;
1521 } 1526 }
1522 1527
@@ -1558,7 +1563,7 @@ int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
1558 1563
1559 column = from & (mtd->oobsize - 1); 1564 column = from & (mtd->oobsize - 1);
1560 1565
1561 readcmd = ONENAND_IS_MLC(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB; 1566 readcmd = ONENAND_IS_4KB_PAGE(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB;
1562 1567
1563 while (read < len) { 1568 while (read < len) {
1564 cond_resched(); 1569 cond_resched();
@@ -1612,7 +1617,7 @@ static int onenand_verify_oob(struct mtd_info *mtd, const u_char *buf, loff_t to
1612 u_char *oob_buf = this->oob_buf; 1617 u_char *oob_buf = this->oob_buf;
1613 int status, i, readcmd; 1618 int status, i, readcmd;
1614 1619
1615 readcmd = ONENAND_IS_MLC(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB; 1620 readcmd = ONENAND_IS_4KB_PAGE(this) ? ONENAND_CMD_READ : ONENAND_CMD_READOOB;
1616 1621
1617 this->command(mtd, readcmd, to, mtd->oobsize); 1622 this->command(mtd, readcmd, to, mtd->oobsize);
1618 onenand_update_bufferram(mtd, to, 0); 1623 onenand_update_bufferram(mtd, to, 0);
@@ -1845,7 +1850,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
1845 const u_char *buf = ops->datbuf; 1850 const u_char *buf = ops->datbuf;
1846 const u_char *oob = ops->oobbuf; 1851 const u_char *oob = ops->oobbuf;
1847 u_char *oobbuf; 1852 u_char *oobbuf;
1848 int ret = 0; 1853 int ret = 0, cmd;
1849 1854
1850 DEBUG(MTD_DEBUG_LEVEL3, "%s: to = 0x%08x, len = %i\n", 1855 DEBUG(MTD_DEBUG_LEVEL3, "%s: to = 0x%08x, len = %i\n",
1851 __func__, (unsigned int) to, (int) len); 1856 __func__, (unsigned int) to, (int) len);
@@ -1954,7 +1959,19 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
1954 ONENAND_SET_NEXT_BUFFERRAM(this); 1959 ONENAND_SET_NEXT_BUFFERRAM(this);
1955 } 1960 }
1956 1961
1957 this->command(mtd, ONENAND_CMD_PROG, to, mtd->writesize); 1962 this->ongoing = 0;
1963 cmd = ONENAND_CMD_PROG;
1964
1965 /* Exclude 1st OTP and OTP blocks for cache program feature */
1966 if (ONENAND_IS_CACHE_PROGRAM(this) &&
1967 likely(onenand_block(this, to) != 0) &&
1968 ONENAND_IS_4KB_PAGE(this) &&
1969 ((written + thislen) < len)) {
1970 cmd = ONENAND_CMD_2X_CACHE_PROG;
1971 this->ongoing = 1;
1972 }
1973
1974 this->command(mtd, cmd, to, mtd->writesize);
1958 1975
1959 /* 1976 /*
1960 * 2 PLANE, MLC, and Flex-OneNAND wait here 1977 * 2 PLANE, MLC, and Flex-OneNAND wait here
@@ -2067,7 +2084,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to,
2067 2084
2068 oobbuf = this->oob_buf; 2085 oobbuf = this->oob_buf;
2069 2086
2070 oobcmd = ONENAND_IS_MLC(this) ? ONENAND_CMD_PROG : ONENAND_CMD_PROGOOB; 2087 oobcmd = ONENAND_IS_4KB_PAGE(this) ? ONENAND_CMD_PROG : ONENAND_CMD_PROGOOB;
2071 2088
2072 /* Loop until all data write */ 2089 /* Loop until all data write */
2073 while (written < len) { 2090 while (written < len) {
@@ -2086,7 +2103,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to,
2086 memcpy(oobbuf + column, buf, thislen); 2103 memcpy(oobbuf + column, buf, thislen);
2087 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize); 2104 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize);
2088 2105
2089 if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this)) { 2106 if (ONENAND_IS_4KB_PAGE(this)) {
2090 /* Set main area of DataRAM to 0xff*/ 2107 /* Set main area of DataRAM to 0xff*/
2091 memset(this->page_buf, 0xff, mtd->writesize); 2108 memset(this->page_buf, 0xff, mtd->writesize);
2092 this->write_bufferram(mtd, ONENAND_DATARAM, 2109 this->write_bufferram(mtd, ONENAND_DATARAM,
@@ -2481,7 +2498,8 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
2481 /* Grab the lock and see if the device is available */ 2498 /* Grab the lock and see if the device is available */
2482 onenand_get_device(mtd, FL_ERASING); 2499 onenand_get_device(mtd, FL_ERASING);
2483 2500
2484 if (region || instr->len < MB_ERASE_MIN_BLK_COUNT * block_size) { 2501 if (ONENAND_IS_4KB_PAGE(this) || region ||
2502 instr->len < MB_ERASE_MIN_BLK_COUNT * block_size) {
2485 /* region is set for Flex-OneNAND (no mb erase) */ 2503 /* region is set for Flex-OneNAND (no mb erase) */
2486 ret = onenand_block_by_block_erase(mtd, instr, 2504 ret = onenand_block_by_block_erase(mtd, instr,
2487 region, block_size); 2505 region, block_size);
@@ -3029,7 +3047,7 @@ static int do_otp_read(struct mtd_info *mtd, loff_t from, size_t len,
3029 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); 3047 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0);
3030 this->wait(mtd, FL_OTPING); 3048 this->wait(mtd, FL_OTPING);
3031 3049
3032 ret = ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this) ? 3050 ret = ONENAND_IS_4KB_PAGE(this) ?
3033 onenand_mlc_read_ops_nolock(mtd, from, &ops) : 3051 onenand_mlc_read_ops_nolock(mtd, from, &ops) :
3034 onenand_read_ops_nolock(mtd, from, &ops); 3052 onenand_read_ops_nolock(mtd, from, &ops);
3035 3053
@@ -3377,8 +3395,10 @@ static void onenand_check_features(struct mtd_info *mtd)
3377 case ONENAND_DEVICE_DENSITY_4Gb: 3395 case ONENAND_DEVICE_DENSITY_4Gb:
3378 if (ONENAND_IS_DDP(this)) 3396 if (ONENAND_IS_DDP(this))
3379 this->options |= ONENAND_HAS_2PLANE; 3397 this->options |= ONENAND_HAS_2PLANE;
3380 else if (numbufs == 1) 3398 else if (numbufs == 1) {
3381 this->options |= ONENAND_HAS_4KB_PAGE; 3399 this->options |= ONENAND_HAS_4KB_PAGE;
3400 this->options |= ONENAND_HAS_CACHE_PROGRAM;
3401 }
3382 3402
3383 case ONENAND_DEVICE_DENSITY_2Gb: 3403 case ONENAND_DEVICE_DENSITY_2Gb:
3384 /* 2Gb DDP does not have 2 plane */ 3404 /* 2Gb DDP does not have 2 plane */
@@ -3399,7 +3419,11 @@ static void onenand_check_features(struct mtd_info *mtd)
3399 break; 3419 break;
3400 } 3420 }
3401 3421
3402 if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this)) 3422 /* The MLC has 4KiB pagesize. */
3423 if (ONENAND_IS_MLC(this))
3424 this->options |= ONENAND_HAS_4KB_PAGE;
3425
3426 if (ONENAND_IS_4KB_PAGE(this))
3403 this->options &= ~ONENAND_HAS_2PLANE; 3427 this->options &= ~ONENAND_HAS_2PLANE;
3404 3428
3405 if (FLEXONENAND(this)) { 3429 if (FLEXONENAND(this)) {
@@ -3415,6 +3439,8 @@ static void onenand_check_features(struct mtd_info *mtd)
3415 printk(KERN_DEBUG "Chip has 2 plane\n"); 3439 printk(KERN_DEBUG "Chip has 2 plane\n");
3416 if (this->options & ONENAND_HAS_4KB_PAGE) 3440 if (this->options & ONENAND_HAS_4KB_PAGE)
3417 printk(KERN_DEBUG "Chip has 4KiB pagesize\n"); 3441 printk(KERN_DEBUG "Chip has 4KiB pagesize\n");
3442 if (this->options & ONENAND_HAS_CACHE_PROGRAM)
3443 printk(KERN_DEBUG "Chip has cache program feature\n");
3418} 3444}
3419 3445
3420/** 3446/**
@@ -3831,7 +3857,7 @@ static int onenand_probe(struct mtd_info *mtd)
3831 /* The data buffer size is equal to page size */ 3857 /* The data buffer size is equal to page size */
3832 mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE); 3858 mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE);
3833 /* We use the full BufferRAM */ 3859 /* We use the full BufferRAM */
3834 if (ONENAND_IS_MLC(this) || ONENAND_IS_4KB_PAGE(this)) 3860 if (ONENAND_IS_4KB_PAGE(this))
3835 mtd->writesize <<= 1; 3861 mtd->writesize <<= 1;
3836 3862
3837 mtd->oobsize = mtd->writesize >> 5; 3863 mtd->oobsize = mtd->writesize >> 5;
@@ -4054,6 +4080,7 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
4054 mtd->block_isbad = onenand_block_isbad; 4080 mtd->block_isbad = onenand_block_isbad;
4055 mtd->block_markbad = onenand_block_markbad; 4081 mtd->block_markbad = onenand_block_markbad;
4056 mtd->owner = THIS_MODULE; 4082 mtd->owner = THIS_MODULE;
4083 mtd->writebufsize = mtd->writesize;
4057 4084
4058 /* Unlock whole block */ 4085 /* Unlock whole block */
4059 this->unlock_all(mtd); 4086 this->unlock_all(mtd);
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index 01ab5b3c453b..fc2c16a0fd1c 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -91,16 +91,18 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
91 for (j = 0; j < len; j++) { 91 for (j = 0; j < len; j++) {
92 /* No need to read pages fully, 92 /* No need to read pages fully,
93 * just read required OOB bytes */ 93 * just read required OOB bytes */
94 ret = onenand_bbt_read_oob(mtd, from + j * mtd->writesize + bd->offs, &ops); 94 ret = onenand_bbt_read_oob(mtd,
95 from + j * this->writesize + bd->offs, &ops);
95 96
96 /* If it is a initial bad block, just ignore it */ 97 /* If it is a initial bad block, just ignore it */
97 if (ret == ONENAND_BBT_READ_FATAL_ERROR) 98 if (ret == ONENAND_BBT_READ_FATAL_ERROR)
98 return -EIO; 99 return -EIO;
99 100
100 if (ret || check_short_pattern(&buf[j * scanlen], scanlen, mtd->writesize, bd)) { 101 if (ret || check_short_pattern(&buf[j * scanlen],
102 scanlen, this->writesize, bd)) {
101 bbm->bbt[i >> 3] |= 0x03 << (i & 0x6); 103 bbm->bbt[i >> 3] |= 0x03 << (i & 0x6);
102 printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n", 104 printk(KERN_INFO "OneNAND eraseblock %d is an "
103 i >> 1, (unsigned int) from); 105 "initial bad block\n", i >> 1);
104 mtd->ecc_stats.badblocks++; 106 mtd->ecc_stats.badblocks++;
105 break; 107 break;
106 } 108 }
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index 0de7a05e6de0..a4c74a9ba430 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -651,7 +651,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
651 void __iomem *p; 651 void __iomem *p;
652 void *buf = (void *) buffer; 652 void *buf = (void *) buffer;
653 dma_addr_t dma_src, dma_dst; 653 dma_addr_t dma_src, dma_dst;
654 int err, page_dma = 0; 654 int err, ofs, page_dma = 0;
655 struct device *dev = &onenand->pdev->dev; 655 struct device *dev = &onenand->pdev->dev;
656 656
657 p = this->base + area; 657 p = this->base + area;
@@ -677,10 +677,13 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
677 if (!page) 677 if (!page)
678 goto normal; 678 goto normal;
679 679
680 /* Page offset */
681 ofs = ((size_t) buf & ~PAGE_MASK);
680 page_dma = 1; 682 page_dma = 1;
683
681 /* DMA routine */ 684 /* DMA routine */
682 dma_src = onenand->phys_base + (p - this->base); 685 dma_src = onenand->phys_base + (p - this->base);
683 dma_dst = dma_map_page(dev, page, 0, count, DMA_FROM_DEVICE); 686 dma_dst = dma_map_page(dev, page, ofs, count, DMA_FROM_DEVICE);
684 } else { 687 } else {
685 /* DMA routine */ 688 /* DMA routine */
686 dma_src = onenand->phys_base + (p - this->base); 689 dma_src = onenand->phys_base + (p - this->base);
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 5ebe280225d6..f49e49dc5928 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -672,7 +672,33 @@ static int io_init(struct ubi_device *ubi)
672 ubi->nor_flash = 1; 672 ubi->nor_flash = 1;
673 } 673 }
674 674
675 ubi->min_io_size = ubi->mtd->writesize; 675 /*
676 * Set UBI min. I/O size (@ubi->min_io_size). We use @mtd->writebufsize
677 * for these purposes, not @mtd->writesize. At the moment this does not
678 * matter for NAND, because currently @mtd->writebufsize is equivalent to
679 * @mtd->writesize for all NANDs. However, some CFI NOR flashes may
680 * have @mtd->writebufsize which is multiple of @mtd->writesize.
681 *
682 * The reason we use @mtd->writebufsize for @ubi->min_io_size is that
683 * UBI and UBIFS recovery algorithms rely on the fact that if there was
684 * an unclean power cut, then we can find offset of the last corrupted
685 * node, align the offset to @ubi->min_io_size, read the rest of the
686 * eraseblock starting from this offset, and check whether there are
687 * only 0xFF bytes. If yes, then we are probably dealing with a
688 * corruption caused by a power cut, if not, then this is probably some
689 * severe corruption.
690 *
691 * Thus, we have to use the maximum write unit size of the flash, which
692 * is @mtd->writebufsize, because @mtd->writesize is the minimum write
693 * size, not the maximum.
694 */
695 if (ubi->mtd->type == MTD_NANDFLASH)
696 ubi_assert(ubi->mtd->writebufsize == ubi->mtd->writesize);
697 else if (ubi->mtd->type == MTD_NORFLASH)
698 ubi_assert(ubi->mtd->writebufsize % ubi->mtd->writesize == 0);
699
700 ubi->min_io_size = ubi->mtd->writebufsize;
701
676 ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; 702 ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft;
677 703
678 /* 704 /*
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index fcdb7f65fe0b..0b8141fc5c26 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -425,12 +425,11 @@ static struct ubi_vtbl_record *process_lvol(struct ubi_device *ubi,
425 425
426 /* Read both LEB 0 and LEB 1 into memory */ 426 /* Read both LEB 0 and LEB 1 into memory */
427 ubi_rb_for_each_entry(rb, seb, &sv->root, u.rb) { 427 ubi_rb_for_each_entry(rb, seb, &sv->root, u.rb) {
428 leb[seb->lnum] = vmalloc(ubi->vtbl_size); 428 leb[seb->lnum] = vzalloc(ubi->vtbl_size);
429 if (!leb[seb->lnum]) { 429 if (!leb[seb->lnum]) {
430 err = -ENOMEM; 430 err = -ENOMEM;
431 goto out_free; 431 goto out_free;
432 } 432 }
433 memset(leb[seb->lnum], 0, ubi->vtbl_size);
434 433
435 err = ubi_io_read_data(ubi, leb[seb->lnum], seb->pnum, 0, 434 err = ubi_io_read_data(ubi, leb[seb->lnum], seb->pnum, 0,
436 ubi->vtbl_size); 435 ubi->vtbl_size);
@@ -516,10 +515,9 @@ static struct ubi_vtbl_record *create_empty_lvol(struct ubi_device *ubi,
516 int i; 515 int i;
517 struct ubi_vtbl_record *vtbl; 516 struct ubi_vtbl_record *vtbl;
518 517
519 vtbl = vmalloc(ubi->vtbl_size); 518 vtbl = vzalloc(ubi->vtbl_size);
520 if (!vtbl) 519 if (!vtbl)
521 return ERR_PTR(-ENOMEM); 520 return ERR_PTR(-ENOMEM);
522 memset(vtbl, 0, ubi->vtbl_size);
523 521
524 for (i = 0; i < ubi->vtbl_slots; i++) 522 for (i = 0; i < ubi->vtbl_slots; i++)
525 memcpy(&vtbl[i], &empty_vtbl_record, UBI_VTBL_RECORD_SIZE); 523 memcpy(&vtbl[i], &empty_vtbl_record, UBI_VTBL_RECORD_SIZE);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-29 20:51:45 -0500