aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBrian Norris <computersforpeace@gmail.com>2011-06-23 17:12:08 -0400
committerArtem Bityutskiy <artem.bityutskiy@intel.com>2011-09-11 08:02:13 -0400
commit7854d3f7495b11be1570cd3e2318674d8f9ed797 (patch)
tree78eef0451fbec53ce062a37888ac026f079b56b0
parent15c60a508ab3393e68b7ccb3528981ccacf9c0f9 (diff)
mtd: spelling, capitalization, uniformity
Therefor -> Therefore [Intern], [Internal] -> [INTERN] [REPLACABLE] -> [REPLACEABLE] syndrom, syndom -> syndrome ecc -> ECC buswith -> buswidth endianess -> endianness dont -> don't occures -> occurs independend -> independent wihin -> within erease -> erase blockes -> blocks ... Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
-rw-r--r--drivers/mtd/chips/jedec_probe.c2
-rw-r--r--drivers/mtd/devices/doc2000.c2
-rw-r--r--drivers/mtd/devices/doc2001.c2
-rw-r--r--drivers/mtd/devices/doc2001plus.c2
-rw-r--r--drivers/mtd/devices/docecc.c2
-rw-r--r--drivers/mtd/mtdchar.c6
-rw-r--r--drivers/mtd/nand/au1550nd.c29
-rw-r--r--drivers/mtd/nand/cafe_nand.c2
-rw-r--r--drivers/mtd/nand/diskonchip.c4
-rw-r--r--drivers/mtd/nand/nand_base.c105
-rw-r--r--drivers/mtd/nand/nand_bbt.c8
-rw-r--r--drivers/mtd/nand/nand_ecc.c10
-rw-r--r--drivers/mtd/nand/rtc_from4.c2
-rw-r--r--drivers/mtd/onenand/onenand_base.c12
-rw-r--r--drivers/mtd/sm_ftl.c2
-rw-r--r--include/linux/mtd/mtd.h2
-rw-r--r--include/linux/mtd/nand.h50
17 files changed, 119 insertions, 123 deletions
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index ea832ea0e4aa..d40c410a3241 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -1914,7 +1914,7 @@ static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi)
1914 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset 1914 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1915 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at 1915 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1916 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips 1916 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1917 * as they will ignore the writes and dont care what address 1917 * as they will ignore the writes and don't care what address
1918 * the F0 is written to */ 1918 * the F0 is written to */
1919 if (cfi->addr_unlock1) { 1919 if (cfi->addr_unlock1) {
1920 DEBUG( MTD_DEBUG_LEVEL3, 1920 DEBUG( MTD_DEBUG_LEVEL3,
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index f7fbf6025ef2..ed15447c392e 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -699,7 +699,7 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
699#ifdef ECC_DEBUG 699#ifdef ECC_DEBUG
700 printk(KERN_ERR "DiskOnChip ECC Error: Read at %lx\n", (long)from); 700 printk(KERN_ERR "DiskOnChip ECC Error: Read at %lx\n", (long)from);
701#endif 701#endif
702 /* Read the ECC syndrom through the DiskOnChip ECC 702 /* Read the ECC syndrome through the DiskOnChip ECC
703 logic. These syndrome will be all ZERO when there 703 logic. These syndrome will be all ZERO when there
704 is no error */ 704 is no error */
705 for (i = 0; i < 6; i++) { 705 for (i = 0; i < 6; i++) {
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index 241192f05bc8..c6ea8604a3c3 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -464,7 +464,7 @@ static int doc_read (struct mtd_info *mtd, loff_t from, size_t len,
464#ifdef ECC_DEBUG 464#ifdef ECC_DEBUG
465 printk("DiskOnChip ECC Error: Read at %lx\n", (long)from); 465 printk("DiskOnChip ECC Error: Read at %lx\n", (long)from);
466#endif 466#endif
467 /* Read the ECC syndrom through the DiskOnChip ECC logic. 467 /* Read the ECC syndrome through the DiskOnChip ECC logic.
468 These syndrome will be all ZERO when there is no error */ 468 These syndrome will be all ZERO when there is no error */
469 for (i = 0; i < 6; i++) { 469 for (i = 0; i < 6; i++) {
470 syndrome[i] = ReadDOC(docptr, ECCSyndrome0 + i); 470 syndrome[i] = ReadDOC(docptr, ECCSyndrome0 + i);
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 09ae0adc3ad0..fe82fbfa155e 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -655,7 +655,7 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
655#ifdef ECC_DEBUG 655#ifdef ECC_DEBUG
656 printk("DiskOnChip ECC Error: Read at %lx\n", (long)from); 656 printk("DiskOnChip ECC Error: Read at %lx\n", (long)from);
657#endif 657#endif
658 /* Read the ECC syndrom through the DiskOnChip ECC logic. 658 /* Read the ECC syndrome through the DiskOnChip ECC logic.
659 These syndrome will be all ZERO when there is no error */ 659 These syndrome will be all ZERO when there is no error */
660 for (i = 0; i < 6; i++) 660 for (i = 0; i < 6; i++)
661 syndrome[i] = ReadDOC(docptr, Mplus_ECCSyndrome0 + i); 661 syndrome[i] = ReadDOC(docptr, Mplus_ECCSyndrome0 + i);
diff --git a/drivers/mtd/devices/docecc.c b/drivers/mtd/devices/docecc.c
index 37ef29a73ee4..4a1c39b6f37d 100644
--- a/drivers/mtd/devices/docecc.c
+++ b/drivers/mtd/devices/docecc.c
@@ -2,7 +2,7 @@
2 * ECC algorithm for M-systems disk on chip. We use the excellent Reed 2 * ECC algorithm for M-systems disk on chip. We use the excellent Reed
3 * Solmon code of Phil Karn (karn@ka9q.ampr.org) available under the 3 * Solmon code of Phil Karn (karn@ka9q.ampr.org) available under the
4 * GNU GPL License. The rest is simply to convert the disk on chip 4 * GNU GPL License. The rest is simply to convert the disk on chip
5 * syndrom into a standard syndom. 5 * syndrome into a standard syndome.
6 * 6 *
7 * Author: Fabrice Bellard (fabrice.bellard@netgem.com) 7 * Author: Fabrice Bellard (fabrice.bellard@netgem.com)
8 * Copyright (C) 2000 Netgem S.A. 8 * Copyright (C) 2000 Netgem S.A.
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 49e20a497084..c60067b1f07a 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -233,9 +233,9 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
233 default: 233 default:
234 ret = mtd->read(mtd, *ppos, len, &retlen, kbuf); 234 ret = mtd->read(mtd, *ppos, len, &retlen, kbuf);
235 } 235 }
236 /* Nand returns -EBADMSG on ecc errors, but it returns 236 /* Nand returns -EBADMSG on ECC errors, but it returns
237 * the data. For our userspace tools it is important 237 * the data. For our userspace tools it is important
238 * to dump areas with ecc errors ! 238 * to dump areas with ECC errors!
239 * For kernel internal usage it also might return -EUCLEAN 239 * For kernel internal usage it also might return -EUCLEAN
240 * to signal the caller that a bitflip has occurred and has 240 * to signal the caller that a bitflip has occurred and has
241 * been corrected by the ECC algorithm. 241 * been corrected by the ECC algorithm.
@@ -883,7 +883,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
883 } 883 }
884#endif 884#endif
885 885
886 /* This ioctl is being deprecated - it truncates the ecc layout */ 886 /* This ioctl is being deprecated - it truncates the ECC layout */
887 case ECCGETLAYOUT: 887 case ECCGETLAYOUT:
888 { 888 {
889 struct nand_ecclayout_user *usrlay; 889 struct nand_ecclayout_user *usrlay;
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index e7767eef4505..60d58d3f1fcc 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -48,7 +48,7 @@ static const struct mtd_partition partition_info[] = {
48 * au_read_byte - read one byte from the chip 48 * au_read_byte - read one byte from the chip
49 * @mtd: MTD device structure 49 * @mtd: MTD device structure
50 * 50 *
51 * read function for 8bit buswith 51 * read function for 8bit buswidth
52 */ 52 */
53static u_char au_read_byte(struct mtd_info *mtd) 53static u_char au_read_byte(struct mtd_info *mtd)
54{ 54{
@@ -63,7 +63,7 @@ static u_char au_read_byte(struct mtd_info *mtd)
63 * @mtd: MTD device structure 63 * @mtd: MTD device structure
64 * @byte: pointer to data byte to write 64 * @byte: pointer to data byte to write
65 * 65 *
66 * write function for 8it buswith 66 * write function for 8it buswidth
67 */ 67 */
68static void au_write_byte(struct mtd_info *mtd, u_char byte) 68static void au_write_byte(struct mtd_info *mtd, u_char byte)
69{ 69{
@@ -73,11 +73,10 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte)
73} 73}
74 74
75/** 75/**
76 * au_read_byte16 - read one byte endianess aware from the chip 76 * au_read_byte16 - read one byte endianness aware from the chip
77 * @mtd: MTD device structure 77 * @mtd: MTD device structure
78 * 78 *
79 * read function for 16bit buswith with 79 * read function for 16bit buswidth with endianness conversion
80 * endianess conversion
81 */ 80 */
82static u_char au_read_byte16(struct mtd_info *mtd) 81static u_char au_read_byte16(struct mtd_info *mtd)
83{ 82{
@@ -88,12 +87,11 @@ static u_char au_read_byte16(struct mtd_info *mtd)
88} 87}
89 88
90/** 89/**
91 * au_write_byte16 - write one byte endianess aware to the chip 90 * au_write_byte16 - write one byte endianness aware to the chip
92 * @mtd: MTD device structure 91 * @mtd: MTD device structure
93 * @byte: pointer to data byte to write 92 * @byte: pointer to data byte to write
94 * 93 *
95 * write function for 16bit buswith with 94 * write function for 16bit buswidth with endianness conversion
96 * endianess conversion
97 */ 95 */
98static void au_write_byte16(struct mtd_info *mtd, u_char byte) 96static void au_write_byte16(struct mtd_info *mtd, u_char byte)
99{ 97{
@@ -106,8 +104,7 @@ static void au_write_byte16(struct mtd_info *mtd, u_char byte)
106 * au_read_word - read one word from the chip 104 * au_read_word - read one word from the chip
107 * @mtd: MTD device structure 105 * @mtd: MTD device structure
108 * 106 *
109 * read function for 16bit buswith without 107 * read function for 16bit buswidth without endianness conversion
110 * endianess conversion
111 */ 108 */
112static u16 au_read_word(struct mtd_info *mtd) 109static u16 au_read_word(struct mtd_info *mtd)
113{ 110{
@@ -123,7 +120,7 @@ static u16 au_read_word(struct mtd_info *mtd)
123 * @buf: data buffer 120 * @buf: data buffer
124 * @len: number of bytes to write 121 * @len: number of bytes to write
125 * 122 *
126 * write function for 8bit buswith 123 * write function for 8bit buswidth
127 */ 124 */
128static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len) 125static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
129{ 126{
@@ -142,7 +139,7 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
142 * @buf: buffer to store date 139 * @buf: buffer to store date
143 * @len: number of bytes to read 140 * @len: number of bytes to read
144 * 141 *
145 * read function for 8bit buswith 142 * read function for 8bit buswidth
146 */ 143 */
147static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len) 144static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
148{ 145{
@@ -161,7 +158,7 @@ static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
161 * @buf: buffer containing the data to compare 158 * @buf: buffer containing the data to compare
162 * @len: number of bytes to compare 159 * @len: number of bytes to compare
163 * 160 *
164 * verify function for 8bit buswith 161 * verify function for 8bit buswidth
165 */ 162 */
166static int au_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) 163static int au_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
167{ 164{
@@ -183,7 +180,7 @@ static int au_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
183 * @buf: data buffer 180 * @buf: data buffer
184 * @len: number of bytes to write 181 * @len: number of bytes to write
185 * 182 *
186 * write function for 16bit buswith 183 * write function for 16bit buswidth
187 */ 184 */
188static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len) 185static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
189{ 186{
@@ -205,7 +202,7 @@ static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
205 * @buf: buffer to store date 202 * @buf: buffer to store date
206 * @len: number of bytes to read 203 * @len: number of bytes to read
207 * 204 *
208 * read function for 16bit buswith 205 * read function for 16bit buswidth
209 */ 206 */
210static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len) 207static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
211{ 208{
@@ -226,7 +223,7 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
226 * @buf: buffer containing the data to compare 223 * @buf: buffer containing the data to compare
227 * @len: number of bytes to compare 224 * @len: number of bytes to compare
228 * 225 *
229 * verify function for 16bit buswith 226 * verify function for 16bit buswidth
230 */ 227 */
231static int au_verify_buf16(struct mtd_info *mtd, const u_char *buf, int len) 228static int au_verify_buf16(struct mtd_info *mtd, const u_char *buf, int len)
232{ 229{
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index f6eb66432c81..11a56df89eab 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -370,7 +370,7 @@ static int cafe_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
370 return 1; 370 return 1;
371} 371}
372/** 372/**
373 * cafe_nand_read_page_syndrome - {REPLACABLE] hardware ecc syndrom based page read 373 * cafe_nand_read_page_syndrome - [REPLACEABLE] hardware ecc syndrome based page read
374 * @mtd: mtd info structure 374 * @mtd: mtd info structure
375 * @chip: nand chip info structure 375 * @chip: nand chip info structure
376 * @buf: buffer to store read data 376 * @buf: buffer to store read data
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index b657d7f9b05c..de93a989aa54 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -132,7 +132,7 @@ static struct rs_control *rs_decoder;
132 132
133/* 133/*
134 * The HW decoder in the DoC ASIC's provides us a error syndrome, 134 * The HW decoder in the DoC ASIC's provides us a error syndrome,
135 * which we must convert to a standard syndrom usable by the generic 135 * which we must convert to a standard syndrome usable by the generic
136 * Reed-Solomon library code. 136 * Reed-Solomon library code.
137 * 137 *
138 * Fabrice Bellard figured this out in the old docecc code. I added 138 * Fabrice Bellard figured this out in the old docecc code. I added
@@ -153,7 +153,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
153 ds[3] = ((ecc[3] & 0xc0) >> 6) | ((ecc[0] & 0xff) << 2); 153 ds[3] = ((ecc[3] & 0xc0) >> 6) | ((ecc[0] & 0xff) << 2);
154 parity = ecc[1]; 154 parity = ecc[1];
155 155
156 /* Initialize the syndrom buffer */ 156 /* Initialize the syndrome buffer */
157 for (i = 0; i < NROOTS; i++) 157 for (i = 0; i < NROOTS; i++)
158 s[i] = ds[0]; 158 s[i] = ds[0];
159 /* 159 /*
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 408e1d0abfd1..237d7daa189c 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -21,7 +21,7 @@
21 * TODO: 21 * TODO:
22 * Enable cached programming for 2k page size chips 22 * Enable cached programming for 2k page size chips
23 * Check, if mtd->ecctype should be set to MTD_ECC_HW 23 * Check, if mtd->ecctype should be set to MTD_ECC_HW
24 * if we have HW ecc support. 24 * if we have HW ECC support.
25 * The AG-AND chips have nice features for speed improvement, 25 * The AG-AND chips have nice features for speed improvement,
26 * which are not supported yet. Read / program 4 pages in one go. 26 * which are not supported yet. Read / program 4 pages in one go.
27 * BBT table is not serialized, has to be fixed 27 * BBT table is not serialized, has to be fixed
@@ -159,7 +159,7 @@ static void nand_release_device(struct mtd_info *mtd)
159 * nand_read_byte - [DEFAULT] read one byte from the chip 159 * nand_read_byte - [DEFAULT] read one byte from the chip
160 * @mtd: MTD device structure 160 * @mtd: MTD device structure
161 * 161 *
162 * Default read function for 8bit buswith. 162 * Default read function for 8bit buswidth
163 */ 163 */
164static uint8_t nand_read_byte(struct mtd_info *mtd) 164static uint8_t nand_read_byte(struct mtd_info *mtd)
165{ 165{
@@ -169,9 +169,11 @@ static uint8_t nand_read_byte(struct mtd_info *mtd)
169 169
170/** 170/**
171 * nand_read_byte16 - [DEFAULT] read one byte endianess aware from the chip 171 * nand_read_byte16 - [DEFAULT] read one byte endianess aware from the chip
172 * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip
172 * @mtd: MTD device structure 173 * @mtd: MTD device structure
173 * 174 *
174 * Default read function for 16bit buswith with endianess conversion. 175 * Default read function for 16bit buswidth with endianness conversion.
176 *
175 */ 177 */
176static uint8_t nand_read_byte16(struct mtd_info *mtd) 178static uint8_t nand_read_byte16(struct mtd_info *mtd)
177{ 179{
@@ -183,7 +185,7 @@ static uint8_t nand_read_byte16(struct mtd_info *mtd)
183 * nand_read_word - [DEFAULT] read one word from the chip 185 * nand_read_word - [DEFAULT] read one word from the chip
184 * @mtd: MTD device structure 186 * @mtd: MTD device structure
185 * 187 *
186 * Default read function for 16bit buswith without endianess conversion. 188 * Default read function for 16bit buswidth without endianness conversion.
187 */ 189 */
188static u16 nand_read_word(struct mtd_info *mtd) 190static u16 nand_read_word(struct mtd_info *mtd)
189{ 191{
@@ -220,7 +222,7 @@ static void nand_select_chip(struct mtd_info *mtd, int chipnr)
220 * @buf: data buffer 222 * @buf: data buffer
221 * @len: number of bytes to write 223 * @len: number of bytes to write
222 * 224 *
223 * Default write function for 8bit buswith. 225 * Default write function for 8bit buswidth.
224 */ 226 */
225static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) 227static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
226{ 228{
@@ -237,7 +239,7 @@ static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
237 * @buf: buffer to store date 239 * @buf: buffer to store date
238 * @len: number of bytes to read 240 * @len: number of bytes to read
239 * 241 *
240 * Default read function for 8bit buswith. 242 * Default read function for 8bit buswidth.
241 */ 243 */
242static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) 244static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
243{ 245{
@@ -254,7 +256,7 @@ static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
254 * @buf: buffer containing the data to compare 256 * @buf: buffer containing the data to compare
255 * @len: number of bytes to compare 257 * @len: number of bytes to compare
256 * 258 *
257 * Default verify function for 8bit buswith. 259 * Default verify function for 8bit buswidth.
258 */ 260 */
259static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len) 261static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
260{ 262{
@@ -273,7 +275,7 @@ static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
273 * @buf: data buffer 275 * @buf: data buffer
274 * @len: number of bytes to write 276 * @len: number of bytes to write
275 * 277 *
276 * Default write function for 16bit buswith. 278 * Default write function for 16bit buswidth.
277 */ 279 */
278static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) 280static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
279{ 281{
@@ -293,7 +295,7 @@ static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
293 * @buf: buffer to store date 295 * @buf: buffer to store date
294 * @len: number of bytes to read 296 * @len: number of bytes to read
295 * 297 *
296 * Default read function for 16bit buswith. 298 * Default read function for 16bit buswidth.
297 */ 299 */
298static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) 300static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
299{ 301{
@@ -312,7 +314,7 @@ static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
312 * @buf: buffer containing the data to compare 314 * @buf: buffer containing the data to compare
313 * @len: number of bytes to compare 315 * @len: number of bytes to compare
314 * 316 *
315 * Default verify function for 16bit buswith. 317 * Default verify function for 16bit buswidth.
316 */ 318 */
317static int nand_verify_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) 319static int nand_verify_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
318{ 320{
@@ -499,7 +501,7 @@ static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo)
499 } 501 }
500} 502}
501 503
502/* Wait for the ready pin, after a command. The timeout is catched later */ 504/* Wait for the ready pin, after a command. The timeout is caught later. */
503void nand_wait_ready(struct mtd_info *mtd) 505void nand_wait_ready(struct mtd_info *mtd)
504{ 506{
505 struct nand_chip *chip = mtd->priv; 507 struct nand_chip *chip = mtd->priv;
@@ -510,7 +512,7 @@ void nand_wait_ready(struct mtd_info *mtd)
510 return panic_nand_wait_ready(mtd, 400); 512 return panic_nand_wait_ready(mtd, 400);
511 513
512 led_trigger_event(nand_led_trigger, LED_FULL); 514 led_trigger_event(nand_led_trigger, LED_FULL);
513 /* Wait until command is processed or timeout occures */ 515 /* Wait until command is processed or timeout occurs */
514 do { 516 do {
515 if (chip->dev_ready(mtd)) 517 if (chip->dev_ready(mtd))
516 break; 518 break;
@@ -629,8 +631,8 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
629 * @page_addr: the page address for this command, -1 if none 631 * @page_addr: the page address for this command, -1 if none
630 * 632 *
631 * Send command to NAND device. This is the version for the new large page 633 * Send command to NAND device. This is the version for the new large page
632 * devices We dont have the separate regions as we have in the small page 634 * devices. We don't have the separate regions as we have in the small page
633 * devices. We must emulate NAND_CMD_READOOB to keep the code compatible. 635 * devices. We must emulate NAND_CMD_READOOB to keep the code compatible.
634 */ 636 */
635static void nand_command_lp(struct mtd_info *mtd, unsigned int command, 637static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
636 int column, int page_addr) 638 int column, int page_addr)
@@ -754,7 +756,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
754static void panic_nand_get_device(struct nand_chip *chip, 756static void panic_nand_get_device(struct nand_chip *chip,
755 struct mtd_info *mtd, int new_state) 757 struct mtd_info *mtd, int new_state)
756{ 758{
757 /* Hardware controller shared among independend devices */ 759 /* Hardware controller shared among independent devices */
758 chip->controller->active = chip; 760 chip->controller->active = chip;
759 chip->state = new_state; 761 chip->state = new_state;
760} 762}
@@ -1032,14 +1034,13 @@ out:
1032EXPORT_SYMBOL(nand_lock); 1034EXPORT_SYMBOL(nand_lock);
1033 1035
1034/** 1036/**
1035 * nand_read_page_raw - [Intern] read raw page data without ecc 1037 * nand_read_page_raw - [INTERN] read raw page data without ecc
1036 * @mtd: mtd info structure 1038 * @mtd: mtd info structure
1037 * @chip: nand chip info structure 1039 * @chip: nand chip info structure
1038 * @buf: buffer to store read data 1040 * @buf: buffer to store read data
1039 * @page: page number to read 1041 * @page: page number to read
1040 * 1042 *
1041 * Not for syndrome calculating ecc controllers, which use a special oob 1043 * Not for syndrome calculating ECC controllers, which use a special oob layout.
1042 * layout.
1043 */ 1044 */
1044static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, 1045static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
1045 uint8_t *buf, int page) 1046 uint8_t *buf, int page)
@@ -1050,7 +1051,7 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
1050} 1051}
1051 1052
1052/** 1053/**
1053 * nand_read_page_raw_syndrome - [Intern] read raw page data without ecc 1054 * nand_read_page_raw_syndrome - [INTERN] read raw page data without ecc
1054 * @mtd: mtd info structure 1055 * @mtd: mtd info structure
1055 * @chip: nand chip info structure 1056 * @chip: nand chip info structure
1056 * @buf: buffer to store read data 1057 * @buf: buffer to store read data
@@ -1093,7 +1094,7 @@ static int nand_read_page_raw_syndrome(struct mtd_info *mtd,
1093} 1094}
1094 1095
1095/** 1096/**
1096 * nand_read_page_swecc - [REPLACABLE] software ecc based page read function 1097 * nand_read_page_swecc - [REPLACEABLE] software ECC based page read function
1097 * @mtd: mtd info structure 1098 * @mtd: mtd info structure
1098 * @chip: nand chip info structure 1099 * @chip: nand chip info structure
1099 * @buf: buffer to store read data 1100 * @buf: buffer to store read data
@@ -1134,7 +1135,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
1134} 1135}
1135 1136
1136/** 1137/**
1137 * nand_read_subpage - [REPLACABLE] software ecc based sub-page read function 1138 * nand_read_subpage - [REPLACEABLE] software ECC based sub-page read function
1138 * @mtd: mtd info structure 1139 * @mtd: mtd info structure
1139 * @chip: nand chip info structure 1140 * @chip: nand chip info structure
1140 * @data_offs: offset of requested data within the page 1141 * @data_offs: offset of requested data within the page
@@ -1152,7 +1153,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
1152 int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1; 1153 int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1;
1153 int index = 0; 1154 int index = 0;
1154 1155
1155 /* Column address wihin the page aligned to ECC size (256bytes) */ 1156 /* Column address within the page aligned to ECC size (256bytes) */
1156 start_step = data_offs / chip->ecc.size; 1157 start_step = data_offs / chip->ecc.size;
1157 end_step = (data_offs + readlen - 1) / chip->ecc.size; 1158 end_step = (data_offs + readlen - 1) / chip->ecc.size;
1158 num_steps = end_step - start_step + 1; 1159 num_steps = end_step - start_step + 1;
@@ -1175,7 +1176,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
1175 1176
1176 /* 1177 /*
1177 * The performance is faster if we position offsets according to 1178 * The performance is faster if we position offsets according to
1178 * ecc.pos. Let's make sure that there are no gaps in ecc positions. 1179 * ecc.pos. Let's make sure that there are no gaps in ECC positions.
1179 */ 1180 */
1180 for (i = 0; i < eccfrag_len - 1; i++) { 1181 for (i = 0; i < eccfrag_len - 1; i++) {
1181 if (eccpos[i + start_step * chip->ecc.bytes] + 1 != 1182 if (eccpos[i + start_step * chip->ecc.bytes] + 1 !=
@@ -1189,7 +1190,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
1189 chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); 1190 chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
1190 } else { 1191 } else {
1191 /* 1192 /*
1192 * Send the command to read the particular ecc bytes take care 1193 * Send the command to read the particular ECC bytes take care
1193 * about buswidth alignment in read_buf. 1194 * about buswidth alignment in read_buf.
1194 */ 1195 */
1195 index = start_step * chip->ecc.bytes; 1196 index = start_step * chip->ecc.bytes;
@@ -1224,14 +1225,13 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
1224} 1225}
1225 1226
1226/** 1227/**
1227 * nand_read_page_hwecc - [REPLACABLE] hardware ecc based page read function 1228 * nand_read_page_hwecc - [REPLACEABLE] hardware ECC based page read function
1228 * @mtd: mtd info structure 1229 * @mtd: mtd info structure
1229 * @chip: nand chip info structure 1230 * @chip: nand chip info structure
1230 * @buf: buffer to store read data 1231 * @buf: buffer to store read data
1231 * @page: page number to read 1232 * @page: page number to read
1232 * 1233 *
1233 * Not for syndrome calculating ecc controllers which need a special oob 1234 * Not for syndrome calculating ECC controllers which need a special oob layout.
1234 * layout.
1235 */ 1235 */
1236static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, 1236static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
1237 uint8_t *buf, int page) 1237 uint8_t *buf, int page)
@@ -1270,7 +1270,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
1270} 1270}
1271 1271
1272/** 1272/**
1273 * nand_read_page_hwecc_oob_first - [REPLACABLE] hw ecc, read oob first 1273 * nand_read_page_hwecc_oob_first - [REPLACEABLE] hw ecc, read oob first
1274 * @mtd: mtd info structure 1274 * @mtd: mtd info structure
1275 * @chip: nand chip info structure 1275 * @chip: nand chip info structure
1276 * @buf: buffer to store read data 1276 * @buf: buffer to store read data
@@ -1318,7 +1318,7 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
1318} 1318}
1319 1319
1320/** 1320/**
1321 * nand_read_page_syndrome - [REPLACABLE] hardware ecc syndrom based page read 1321 * nand_read_page_syndrome - [REPLACEABLE] hardware ECC syndrome based page read
1322 * @mtd: mtd info structure 1322 * @mtd: mtd info structure
1323 * @chip: nand chip info structure 1323 * @chip: nand chip info structure
1324 * @buf: buffer to store read data 1324 * @buf: buffer to store read data
@@ -1373,7 +1373,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
1373} 1373}
1374 1374
1375/** 1375/**
1376 * nand_transfer_oob - [Internal] Transfer oob to client buffer 1376 * nand_transfer_oob - [INTERN] Transfer oob to client buffer
1377 * @chip: nand chip structure 1377 * @chip: nand chip structure
1378 * @oob: oob destination address 1378 * @oob: oob destination address
1379 * @ops: oob ops structure 1379 * @ops: oob ops structure
@@ -1421,7 +1421,7 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
1421} 1421}
1422 1422
1423/** 1423/**
1424 * nand_do_read_ops - [Internal] Read data with ECC 1424 * nand_do_read_ops - [INTERN] Read data with ECC
1425 * @mtd: MTD device structure 1425 * @mtd: MTD device structure
1426 * @from: offset to read from 1426 * @from: offset to read from
1427 * @ops: oob ops structure 1427 * @ops: oob ops structure
@@ -1599,7 +1599,7 @@ static int nand_read(struct mtd_info *mtd, loff_t from, size_t len,
1599} 1599}
1600 1600
1601/** 1601/**
1602 * nand_read_oob_std - [REPLACABLE] the most common OOB data read function 1602 * nand_read_oob_std - [REPLACEABLE] the most common OOB data read function
1603 * @mtd: mtd info structure 1603 * @mtd: mtd info structure
1604 * @chip: nand chip info structure 1604 * @chip: nand chip info structure
1605 * @page: page number to read 1605 * @page: page number to read
@@ -1617,7 +1617,7 @@ static int nand_read_oob_std(struct mtd_info *mtd, struct nand_chip *chip,
1617} 1617}
1618 1618
1619/** 1619/**
1620 * nand_read_oob_syndrome - [REPLACABLE] OOB data read function for HW ECC 1620 * nand_read_oob_syndrome - [REPLACEABLE] OOB data read function for HW ECC
1621 * with syndromes 1621 * with syndromes
1622 * @mtd: mtd info structure 1622 * @mtd: mtd info structure
1623 * @chip: nand chip info structure 1623 * @chip: nand chip info structure
@@ -1656,7 +1656,7 @@ static int nand_read_oob_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
1656} 1656}
1657 1657
1658/** 1658/**
1659 * nand_write_oob_std - [REPLACABLE] the most common OOB data write function 1659 * nand_write_oob_std - [REPLACEABLE] the most common OOB data write function
1660 * @mtd: mtd info structure 1660 * @mtd: mtd info structure
1661 * @chip: nand chip info structure 1661 * @chip: nand chip info structure
1662 * @page: page number to write 1662 * @page: page number to write
@@ -1679,7 +1679,7 @@ static int nand_write_oob_std(struct mtd_info *mtd, struct nand_chip *chip,
1679} 1679}
1680 1680
1681/** 1681/**
1682 * nand_write_oob_syndrome - [REPLACABLE] OOB data write function for HW ECC 1682 * nand_write_oob_syndrome - [REPLACEABLE] OOB data write function for HW ECC
1683 * with syndrome - only for large page flash 1683 * with syndrome - only for large page flash
1684 * @mtd: mtd info structure 1684 * @mtd: mtd info structure
1685 * @chip: nand chip info structure 1685 * @chip: nand chip info structure
@@ -1738,7 +1738,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd,
1738} 1738}
1739 1739
1740/** 1740/**
1741 * nand_do_read_oob - [Intern] NAND read out-of-band 1741 * nand_do_read_oob - [INTERN] NAND read out-of-band
1742 * @mtd: MTD device structure 1742 * @mtd: MTD device structure
1743 * @from: offset to read from 1743 * @from: offset to read from
1744 * @ops: oob operations description structure 1744 * @ops: oob operations description structure
@@ -1878,13 +1878,12 @@ out:
1878 1878
1879 1879
1880/** 1880/**
1881 * nand_write_page_raw - [Intern] raw page write function 1881 * nand_write_page_raw - [INTERN] raw page write function
1882 * @mtd: mtd info structure 1882 * @mtd: mtd info structure
1883 * @chip: nand chip info structure 1883 * @chip: nand chip info structure
1884 * @buf: data buffer 1884 * @buf: data buffer
1885 * 1885 *
1886 * Not for syndrome calculating ecc controllers, which use a special oob 1886 * Not for syndrome calculating ECC controllers, which use a special oob layout.
1887 * layout.
1888 */ 1887 */
1889static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, 1888static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
1890 const uint8_t *buf) 1889 const uint8_t *buf)
@@ -1894,7 +1893,7 @@ static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
1894} 1893}
1895 1894
1896/** 1895/**
1897 * nand_write_page_raw_syndrome - [Intern] raw page write function 1896 * nand_write_page_raw_syndrome - [INTERN] raw page write function
1898 * @mtd: mtd info structure 1897 * @mtd: mtd info structure
1899 * @chip: nand chip info structure 1898 * @chip: nand chip info structure
1900 * @buf: data buffer 1899 * @buf: data buffer
@@ -1933,7 +1932,7 @@ static void nand_write_page_raw_syndrome(struct mtd_info *mtd,
1933 chip->write_buf(mtd, oob, size); 1932 chip->write_buf(mtd, oob, size);
1934} 1933}
1935/** 1934/**
1936 * nand_write_page_swecc - [REPLACABLE] software ecc based page write function 1935 * nand_write_page_swecc - [REPLACEABLE] software ECC based page write function
1937 * @mtd: mtd info structure 1936 * @mtd: mtd info structure
1938 * @chip: nand chip info structure 1937 * @chip: nand chip info structure
1939 * @buf: data buffer 1938 * @buf: data buffer
@@ -1948,7 +1947,7 @@ static void nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
1948 const uint8_t *p = buf; 1947 const uint8_t *p = buf;
1949 uint32_t *eccpos = chip->ecc.layout->eccpos; 1948 uint32_t *eccpos = chip->ecc.layout->eccpos;
1950 1949
1951 /* Software ecc calculation */ 1950 /* Software ECC calculation */
1952 for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) 1951 for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
1953 chip->ecc.calculate(mtd, p, &ecc_calc[i]); 1952 chip->ecc.calculate(mtd, p, &ecc_calc[i]);
1954 1953
@@ -1959,7 +1958,7 @@ static void nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
1959} 1958}
1960 1959
1961/** 1960/**
1962 * nand_write_page_hwecc - [REPLACABLE] hardware ecc based page write function 1961 * nand_write_page_hwecc - [REPLACEABLE] hardware ECC based page write function
1963 * @mtd: mtd info structure 1962 * @mtd: mtd info structure
1964 * @chip: nand chip info structure 1963 * @chip: nand chip info structure
1965 * @buf: data buffer 1964 * @buf: data buffer
@@ -1987,7 +1986,7 @@ static void nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
1987} 1986}
1988 1987
1989/** 1988/**
1990 * nand_write_page_syndrome - [REPLACABLE] hardware ecc syndrom based page write 1989 * nand_write_page_syndrome - [REPLACEABLE] hardware ECC syndrome based page write
1991 * @mtd: mtd info structure 1990 * @mtd: mtd info structure
1992 * @chip: nand chip info structure 1991 * @chip: nand chip info structure
1993 * @buf: data buffer 1992 * @buf: data buffer
@@ -2052,7 +2051,7 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
2052 chip->ecc.write_page(mtd, chip, buf); 2051 chip->ecc.write_page(mtd, chip, buf);
2053 2052
2054 /* 2053 /*
2055 * Cached progamming disabled for now, Not sure if its worth the 2054 * Cached progamming disabled for now. Not sure if it's worth the
2056 * trouble. The speed gain is not very impressive. (2.3->2.6Mib/s). 2055 * trouble. The speed gain is not very impressive. (2.3->2.6Mib/s).
2057 */ 2056 */
2058 cached = 0; 2057 cached = 0;
@@ -2087,7 +2086,7 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
2087} 2086}
2088 2087
2089/** 2088/**
2090 * nand_fill_oob - [Internal] Transfer client buffer to oob 2089 * nand_fill_oob - [INTERN] Transfer client buffer to oob
2091 * @mtd: MTD device structure 2090 * @mtd: MTD device structure
2092 * @oob: oob data buffer 2091 * @oob: oob data buffer
2093 * @len: oob data write length 2092 * @len: oob data write length
@@ -2145,7 +2144,7 @@ static uint8_t *nand_fill_oob(struct mtd_info *mtd, uint8_t *oob, size_t len,
2145#define NOTALIGNED(x) ((x & (chip->subpagesize - 1)) != 0) 2144#define NOTALIGNED(x) ((x & (chip->subpagesize - 1)) != 0)
2146 2145
2147/** 2146/**
2148 * nand_do_write_ops - [Internal] NAND write with ECC 2147 * nand_do_write_ops - [INTERN] NAND write with ECC
2149 * @mtd: MTD device structure 2148 * @mtd: MTD device structure
2150 * @to: offset to write to 2149 * @to: offset to write to
2151 * @ops: oob operations description structure 2150 * @ops: oob operations description structure
@@ -2454,7 +2453,7 @@ out:
2454} 2453}
2455 2454
2456/** 2455/**
2457 * single_erease_cmd - [GENERIC] NAND standard block erase command function 2456 * single_erase_cmd - [GENERIC] NAND standard block erase command function
2458 * @mtd: MTD device structure 2457 * @mtd: MTD device structure
2459 * @page: the page address of the block which will be erased 2458 * @page: the page address of the block which will be erased
2460 * 2459 *
@@ -2469,7 +2468,7 @@ static void single_erase_cmd(struct mtd_info *mtd, int page)
2469} 2468}
2470 2469
2471/** 2470/**
2472 * multi_erease_cmd - [GENERIC] AND specific block erase command function 2471 * multi_erase_cmd - [GENERIC] AND specific block erase command function
2473 * @mtd: MTD device structure 2472 * @mtd: MTD device structure
2474 * @page: the page address of the block which will be erased 2473 * @page: the page address of the block which will be erased
2475 * 2474 *
@@ -2500,7 +2499,7 @@ static int nand_erase(struct mtd_info *mtd, struct erase_info *instr)
2500 2499
2501#define BBT_PAGE_MASK 0xffffff3f 2500#define BBT_PAGE_MASK 0xffffff3f
2502/** 2501/**
2503 * nand_erase_nand - [Internal] erase block(s) 2502 * nand_erase_nand - [INTERN] erase block(s)
2504 * @mtd: MTD device structure 2503 * @mtd: MTD device structure
2505 * @instr: erase instruction 2504 * @instr: erase instruction
2506 * @allowbbt: allow erasing the bbt area 2505 * @allowbbt: allow erasing the bbt area
@@ -2550,7 +2549,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
2550 * If BBT requires refresh, set the BBT page mask to see if the BBT 2549 * If BBT requires refresh, set the BBT page mask to see if the BBT
2551 * should be rewritten. Otherwise the mask is set to 0xffffffff which 2550 * should be rewritten. Otherwise the mask is set to 0xffffffff which
2552 * can not be matched. This is also done when the bbt is actually 2551 * can not be matched. This is also done when the bbt is actually
2553 * erased to avoid recusrsive updates. 2552 * erased to avoid recursive updates.
2554 */ 2553 */
2555 if (chip->options & BBT_AUTO_REFRESH && !allowbbt) 2554 if (chip->options & BBT_AUTO_REFRESH && !allowbbt)
2556 bbt_masked_page = chip->bbt_td->pages[chipnr] & BBT_PAGE_MASK; 2555 bbt_masked_page = chip->bbt_td->pages[chipnr] & BBT_PAGE_MASK;
@@ -2824,7 +2823,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
2824 int i; 2823 int i;
2825 int val; 2824 int val;
2826 2825
2827 /* Try ONFI for unknow chip or LP */ 2826 /* Try ONFI for unknown chip or LP */
2828 chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1); 2827 chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
2829 if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' || 2828 if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' ||
2830 chip->read_byte(mtd) != 'F' || chip->read_byte(mtd) != 'I') 2829 chip->read_byte(mtd) != 'F' || chip->read_byte(mtd) != 'I')
@@ -3395,7 +3394,7 @@ int nand_scan_tail(struct mtd_info *mtd)
3395 */ 3394 */
3396 chip->ecc.steps = mtd->writesize / chip->ecc.size; 3395 chip->ecc.steps = mtd->writesize / chip->ecc.size;
3397 if (chip->ecc.steps * chip->ecc.size != mtd->writesize) { 3396 if (chip->ecc.steps * chip->ecc.size != mtd->writesize) {
3398 printk(KERN_WARNING "Invalid ecc parameters\n"); 3397 printk(KERN_WARNING "Invalid ECC parameters\n");
3399 BUG(); 3398 BUG();
3400 } 3399 }
3401 chip->ecc.total = chip->ecc.steps * chip->ecc.bytes; 3400 chip->ecc.total = chip->ecc.steps * chip->ecc.bytes;
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 8875d6db2455..f30807c3a48d 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -149,7 +149,7 @@ static int check_short_pattern(uint8_t *buf, struct nand_bbt_descr *td)
149 * add_marker_len - compute the length of the marker in data area 149 * add_marker_len - compute the length of the marker in data area
150 * @td: BBT descriptor used for computation 150 * @td: BBT descriptor used for computation
151 * 151 *
152 * The length will be 0 if the markeris located in OOB area. 152 * The length will be 0 if the marker is located in OOB area.
153 */ 153 */
154static u32 add_marker_len(struct nand_bbt_descr *td) 154static u32 add_marker_len(struct nand_bbt_descr *td)
155{ 155{
@@ -170,7 +170,7 @@ static u32 add_marker_len(struct nand_bbt_descr *td)
170 * @buf: temporary buffer 170 * @buf: temporary buffer
171 * @page: the starting page 171 * @page: the starting page
172 * @num: the number of bbt descriptors to read 172 * @num: the number of bbt descriptors to read
173 * @td: the bbt describtion table 173 * @td: the bbt describtion table
174 * @offs: offset in the memory table 174 * @offs: offset in the memory table
175 * 175 *
176 * Read the bad block table starting from page. 176 * Read the bad block table starting from page.
@@ -1241,7 +1241,7 @@ static struct nand_bbt_descr agand_flashbased = {
1241 .pattern = scan_agand_pattern 1241 .pattern = scan_agand_pattern
1242}; 1242};
1243 1243
1244/* Generic flash bbt decriptors */ 1244/* Generic flash bbt descriptors */
1245static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' }; 1245static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' };
1246static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' }; 1246static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' };
1247 1247
@@ -1286,7 +1286,7 @@ static struct nand_bbt_descr bbt_mirror_no_bbt_descr = {
1286}; 1286};
1287 1287
1288/** 1288/**
1289 * nand_create_default_bbt_descr - [Internal] Creates a BBT descriptor structure 1289 * nand_create_default_bbt_descr - [INTERN] Creates a BBT descriptor structure
1290 * @this: NAND chip to create descriptor for 1290 * @this: NAND chip to create descriptor for
1291 * 1291 *
1292 * This function allocates and initializes a nand_bbt_descr for BBM detection 1292 * This function allocates and initializes a nand_bbt_descr for BBM detection
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 271b8e735e8f..b7cfe0d37121 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -110,7 +110,7 @@ static const char bitsperbyte[256] = {
110 110
111/* 111/*
112 * addressbits is a lookup table to filter out the bits from the xor-ed 112 * addressbits is a lookup table to filter out the bits from the xor-ed
113 * ecc data that identify the faulty location. 113 * ECC data that identify the faulty location.
114 * this is only used for repairing parity 114 * this is only used for repairing parity
115 * see the comments in nand_correct_data for more details 115 * see the comments in nand_correct_data for more details
116 */ 116 */
@@ -153,7 +153,7 @@ static const char addressbits[256] = {
153 * __nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte 153 * __nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
154 * block 154 * block
155 * @buf: input buffer with raw data 155 * @buf: input buffer with raw data
156 * @eccsize: data bytes per ecc step (256 or 512) 156 * @eccsize: data bytes per ECC step (256 or 512)
157 * @code: output buffer with ECC 157 * @code: output buffer with ECC
158 */ 158 */
159void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize, 159void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,
@@ -348,7 +348,7 @@ void __nand_calculate_ecc(const unsigned char *buf, unsigned int eccsize,
348 rp17 = (par ^ rp16) & 0xff; 348 rp17 = (par ^ rp16) & 0xff;
349 349
350 /* 350 /*
351 * Finally calculate the ecc bits. 351 * Finally calculate the ECC bits.
352 * Again here it might seem that there are performance optimisations 352 * Again here it might seem that there are performance optimisations
353 * possible, but benchmarks showed that on the system this is developed 353 * possible, but benchmarks showed that on the system this is developed
354 * the code below is the fastest 354 * the code below is the fastest
@@ -436,7 +436,7 @@ EXPORT_SYMBOL(nand_calculate_ecc);
436 * @buf: raw data read from the chip 436 * @buf: raw data read from the chip
437 * @read_ecc: ECC from the chip 437 * @read_ecc: ECC from the chip
438 * @calc_ecc: the ECC calculated from raw data 438 * @calc_ecc: the ECC calculated from raw data
439 * @eccsize: data bytes per ecc step (256 or 512) 439 * @eccsize: data bytes per ECC step (256 or 512)
440 * 440 *
441 * Detect and correct a 1 bit error for eccsize byte block 441 * Detect and correct a 1 bit error for eccsize byte block
442 */ 442 */
@@ -505,7 +505,7 @@ int __nand_correct_data(unsigned char *buf,
505 } 505 }
506 /* count nr of bits; use table lookup, faster than calculating it */ 506 /* count nr of bits; use table lookup, faster than calculating it */
507 if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1) 507 if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
508 return 1; /* error in ecc data; no action needed */ 508 return 1; /* error in ECC data; no action needed */
509 509
510 printk(KERN_ERR "uncorrectable error : "); 510 printk(KERN_ERR "uncorrectable error : ");
511 return -1; 511 return -1;
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index a07da2a3beee..33fe922b972c 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -351,7 +351,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
351 return 0; 351 return 0;
352 } 352 }
353 353
354 /* Read the syndrom pattern from the FPGA and correct the bitorder */ 354 /* Read the syndrome pattern from the FPGA and correct the bitorder */
355 rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC); 355 rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC);
356 for (i = 0; i < 8; i++) { 356 for (i = 0; i < 8; i++) {
357 ecc[i] = bitrev8(*rs_ecc); 357 ecc[i] = bitrev8(*rs_ecc);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 51800a7ef7f8..30c652c071e8 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1015,7 +1015,7 @@ static void onenand_release_device(struct mtd_info *mtd)
1015} 1015}
1016 1016
1017/** 1017/**
1018 * onenand_transfer_auto_oob - [Internal] oob auto-placement transfer 1018 * onenand_transfer_auto_oob - [INTERN] oob auto-placement transfer
1019 * @param mtd MTD device structure 1019 * @param mtd MTD device structure
1020 * @param buf destination address 1020 * @param buf destination address
1021 * @param column oob offset to read from 1021 * @param column oob offset to read from
@@ -1821,7 +1821,7 @@ static int onenand_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
1821} 1821}
1822 1822
1823/** 1823/**
1824 * onenand_fill_auto_oob - [Internal] oob auto-placement transfer 1824 * onenand_fill_auto_oob - [INTERN] oob auto-placement transfer
1825 * @param mtd MTD device structure 1825 * @param mtd MTD device structure
1826 * @param oob_buf oob buffer 1826 * @param oob_buf oob buffer
1827 * @param buf source address 1827 * @param buf source address
@@ -2055,7 +2055,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
2055 2055
2056 2056
2057/** 2057/**
2058 * onenand_write_oob_nolock - [Internal] OneNAND write out-of-band 2058 * onenand_write_oob_nolock - [INTERN] OneNAND write out-of-band
2059 * @param mtd MTD device structure 2059 * @param mtd MTD device structure
2060 * @param to offset to write to 2060 * @param to offset to write to
2061 * @param len number of bytes to write 2061 * @param len number of bytes to write
@@ -2281,7 +2281,7 @@ static int onenand_multiblock_erase_verify(struct mtd_info *mtd,
2281} 2281}
2282 2282
2283/** 2283/**
2284 * onenand_multiblock_erase - [Internal] erase block(s) using multiblock erase 2284 * onenand_multiblock_erase - [INTERN] erase block(s) using multiblock erase
2285 * @param mtd MTD device structure 2285 * @param mtd MTD device structure
2286 * @param instr erase instruction 2286 * @param instr erase instruction
2287 * @param region erase region 2287 * @param region erase region
@@ -2397,7 +2397,7 @@ static int onenand_multiblock_erase(struct mtd_info *mtd,
2397 2397
2398 2398
2399/** 2399/**
2400 * onenand_block_by_block_erase - [Internal] erase block(s) using regular erase 2400 * onenand_block_by_block_erase - [INTERN] erase block(s) using regular erase
2401 * @param mtd MTD device structure 2401 * @param mtd MTD device structure
2402 * @param instr erase instruction 2402 * @param instr erase instruction
2403 * @param region erase region 2403 * @param region erase region
@@ -2922,7 +2922,7 @@ static int onenand_otp_command(struct mtd_info *mtd, int cmd, loff_t addr,
2922} 2922}
2923 2923
2924/** 2924/**
2925 * onenand_otp_write_oob_nolock - [Internal] OneNAND write out-of-band, specific to OTP 2925 * onenand_otp_write_oob_nolock - [INTERN] OneNAND write out-of-band, specific to OTP
2926 * @param mtd MTD device structure 2926 * @param mtd MTD device structure
2927 * @param to offset to write to 2927 * @param to offset to write to
2928 * @param len number of bytes to write 2928 * @param len number of bytes to write
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index ed3d6cd2c6dc..a8befde81ce9 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -138,7 +138,7 @@ static int sm_get_lba(uint8_t *lba)
138 if ((lba[0] & 0xF8) != 0x10) 138 if ((lba[0] & 0xF8) != 0x10)
139 return -2; 139 return -2;
140 140
141 /* check parity - endianess doesn't matter */ 141 /* check parity - endianness doesn't matter */
142 if (hweight16(*(uint16_t *)lba) & 1) 142 if (hweight16(*(uint16_t *)lba) & 1)
143 return -2; 143 return -2;
144 144
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 67774f9d57cc..62d56f933b87 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -172,7 +172,7 @@ struct mtd_info {
172 const char *name; 172 const char *name;
173 int index; 173 int index;
174 174
175 /* ecc layout structure pointer - read only ! */ 175 /* ECC layout structure pointer - read only! */
176 struct nand_ecclayout *ecclayout; 176 struct nand_ecclayout *ecclayout;
177 177
178 /* Data for variable erase regions. If numeraseregions is zero, 178 /* Data for variable erase regions. If numeraseregions is zero,
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 0f239e714219..877fbbda02cd 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -42,10 +42,10 @@ extern void nand_release(struct mtd_info *mtd);
42/* Internal helper for board drivers which need to override command function */ 42/* Internal helper for board drivers which need to override command function */
43extern void nand_wait_ready(struct mtd_info *mtd); 43extern void nand_wait_ready(struct mtd_info *mtd);
44 44
45/* locks all blockes present in the device */ 45/* locks all blocks present in the device */
46extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len); 46extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
47 47
48/* unlocks specified locked blockes */ 48/* unlocks specified locked blocks */
49extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len); 49extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
50 50
51/* The maximum number of NAND chips in an array */ 51/* The maximum number of NAND chips in an array */
@@ -150,7 +150,7 @@ typedef enum {
150#define NAND_ECC_READ 0 150#define NAND_ECC_READ 0
151/* Reset Hardware ECC for write */ 151/* Reset Hardware ECC for write */
152#define NAND_ECC_WRITE 1 152#define NAND_ECC_WRITE 1
153/* Enable Hardware ECC before syndrom is read back from flash */ 153/* Enable Hardware ECC before syndrome is read back from flash */
154#define NAND_ECC_READSYN 2 154#define NAND_ECC_READSYN 2
155 155
156/* Bit mask for flags passed to do_nand_read_ecc */ 156/* Bit mask for flags passed to do_nand_read_ecc */
@@ -163,7 +163,7 @@ typedef enum {
163 */ 163 */
164/* Chip can not auto increment pages */ 164/* Chip can not auto increment pages */
165#define NAND_NO_AUTOINCR 0x00000001 165#define NAND_NO_AUTOINCR 0x00000001
166/* Buswitdh is 16 bit */ 166/* Buswidth is 16 bit */
167#define NAND_BUSWIDTH_16 0x00000002 167#define NAND_BUSWIDTH_16 0x00000002
168/* Device supports partial programming without padding */ 168/* Device supports partial programming without padding */
169#define NAND_NO_PADDING 0x00000004 169#define NAND_NO_PADDING 0x00000004
@@ -319,26 +319,26 @@ struct nand_hw_control {
319}; 319};
320 320
321/** 321/**
322 * struct nand_ecc_ctrl - Control structure for ecc 322 * struct nand_ecc_ctrl - Control structure for ECC
323 * @mode: ecc mode 323 * @mode: ECC mode
324 * @steps: number of ecc steps per page 324 * @steps: number of ECC steps per page
325 * @size: data bytes per ecc step 325 * @size: data bytes per ECC step
326 * @bytes: ecc bytes per step 326 * @bytes: ECC bytes per step
327 * @total: total number of ecc bytes per page 327 * @total: total number of ECC bytes per page
328 * @prepad: padding information for syndrome based ecc generators 328 * @prepad: padding information for syndrome based ECC generators
329 * @postpad: padding information for syndrome based ecc generators 329 * @postpad: padding information for syndrome based ECC generators
330 * @layout: ECC layout control struct pointer 330 * @layout: ECC layout control struct pointer
331 * @priv: pointer to private ecc control data 331 * @priv: pointer to private ECC control data
332 * @hwctl: function to control hardware ecc generator. Must only 332 * @hwctl: function to control hardware ECC generator. Must only
333 * be provided if an hardware ECC is available 333 * be provided if an hardware ECC is available
334 * @calculate: function for ecc calculation or readback from ecc hardware 334 * @calculate: function for ECC calculation or readback from ECC hardware
335 * @correct: function for ecc correction, matching to ecc generator (sw/hw) 335 * @correct: function for ECC correction, matching to ECC generator (sw/hw)
336 * @read_page_raw: function to read a raw page without ECC 336 * @read_page_raw: function to read a raw page without ECC
337 * @write_page_raw: function to write a raw page without ECC 337 * @write_page_raw: function to write a raw page without ECC
338 * @read_page: function to read a page according to the ecc generator 338 * @read_page: function to read a page according to the ECC generator
339 * requirements. 339 * requirements.
340 * @read_subpage: function to read parts of the page covered by ECC. 340 * @read_subpage: function to read parts of the page covered by ECC.
341 * @write_page: function to write a page according to the ecc generator 341 * @write_page: function to write a page according to the ECC generator
342 * requirements. 342 * requirements.
343 * @read_oob: function to read chip OOB data 343 * @read_oob: function to read chip OOB data
344 * @write_oob: function to write chip OOB data 344 * @write_oob: function to write chip OOB data
@@ -376,8 +376,8 @@ struct nand_ecc_ctrl {
376 376
377/** 377/**
378 * struct nand_buffers - buffer structure for read/write 378 * struct nand_buffers - buffer structure for read/write
379 * @ecccalc: buffer for calculated ecc 379 * @ecccalc: buffer for calculated ECC
380 * @ecccode: buffer for ecc read from flash 380 * @ecccode: buffer for ECC read from flash
381 * @databuf: buffer for data - dynamically sized 381 * @databuf: buffer for data - dynamically sized
382 * 382 *
383 * Do not change the order of buffers. databuf and oobrbuf must be in 383 * Do not change the order of buffers. databuf and oobrbuf must be in
@@ -410,7 +410,7 @@ struct nand_buffers {
410 * mtd->oobsize, mtd->writesize and so on. 410 * mtd->oobsize, mtd->writesize and so on.
411 * @id_data contains the 8 bytes values of NAND_CMD_READID. 411 * @id_data contains the 8 bytes values of NAND_CMD_READID.
412 * Return with the bus width. 412 * Return with the bus width.
413 * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing 413 * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accessing
414 * device ready/busy line. If set to NULL no access to 414 * device ready/busy line. If set to NULL no access to
415 * ready/busy is available and the ready/busy information 415 * ready/busy is available and the ready/busy information
416 * is read from the chip status register. 416 * is read from the chip status register.
@@ -418,7 +418,7 @@ struct nand_buffers {
418 * commands to the chip. 418 * commands to the chip.
419 * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on 419 * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on
420 * ready. 420 * ready.
421 * @ecc: [BOARDSPECIFIC] ecc control ctructure 421 * @ecc: [BOARDSPECIFIC] ECC control structure
422 * @buffers: buffer structure for read/write 422 * @buffers: buffer structure for read/write
423 * @hwcontrol: platform-specific hardware control structure 423 * @hwcontrol: platform-specific hardware control structure
424 * @ops: oob operation operands 424 * @ops: oob operation operands
@@ -455,7 +455,7 @@ struct nand_buffers {
455 * non 0 if ONFI supported. 455 * non 0 if ONFI supported.
456 * @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is 456 * @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is
457 * supported, 0 otherwise. 457 * supported, 0 otherwise.
458 * @ecclayout: [REPLACEABLE] the default ecc placement scheme 458 * @ecclayout: [REPLACEABLE] the default ECC placement scheme
459 * @bbt: [INTERN] bad block table pointer 459 * @bbt: [INTERN] bad block table pointer
460 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash 460 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash
461 * lookup. 461 * lookup.
@@ -463,7 +463,7 @@ struct nand_buffers {
463 * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial 463 * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial
464 * bad block scan. 464 * bad block scan.
465 * @controller: [REPLACEABLE] a pointer to a hardware controller 465 * @controller: [REPLACEABLE] a pointer to a hardware controller
466 * structure which is shared among multiple independend 466 * structure which is shared among multiple independent
467 * devices. 467 * devices.
468 * @priv: [OPTIONAL] pointer to private chip date 468 * @priv: [OPTIONAL] pointer to private chip date
469 * @errstat: [OPTIONAL] hardware specific function to perform 469 * @errstat: [OPTIONAL] hardware specific function to perform
@@ -604,7 +604,7 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
604 * @chip_delay: R/B delay value in us 604 * @chip_delay: R/B delay value in us
605 * @options: Option flags, e.g. 16bit buswidth 605 * @options: Option flags, e.g. 16bit buswidth
606 * @bbt_options: BBT option flags, e.g. NAND_BBT_USE_FLASH 606 * @bbt_options: BBT option flags, e.g. NAND_BBT_USE_FLASH
607 * @ecclayout: ecc layout info structure 607 * @ecclayout: ECC layout info structure
608 * @part_probe_types: NULL-terminated array of probe types 608 * @part_probe_types: NULL-terminated array of probe types
609 * @set_parts: platform specific function to set partitions 609 * @set_parts: platform specific function to set partitions
610 * @priv: hardware controller specific settings 610 * @priv: hardware controller specific settings