yaffs-ecoscentric-gpl: yaffs

annotate yaffs_mtdif2.c @ 391:d0784604eafd

Fix typo (and check git is working)

author	Wookey <wookey@wookware.org>
date	Thu, 18 Mar 2010 21:44:53 +0000
parents	7ee0cc4ba753
children	b5309c9b6d7f

rev	line source
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	1 /*
168 b8f20fdc3a58 normalise licence headers and attributions wookey <wookey> parents: 153 diff changeset	2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	3 *
168 b8f20fdc3a58 normalise licence headers and attributions wookey <wookey> parents: 153 diff changeset	4 * Copyright (C) 2002-2007 Aleph One Ltd.
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	5 * for Toby Churchill Ltd and Brightstar Engineering
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	6 *
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	7 * Created by Charles Manning <charles@aleph1.co.uk>
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	8 *
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	9 * This program is free software; you can redistribute it and/or modify
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	10 * it under the terms of the GNU General Public License version 2 as
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	11 * published by the Free Software Foundation.
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	12 */
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	13
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	14 /* mtd interface for YAFFS2 */
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	15
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	16 const char *yaffs_mtdif2_c_version =
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	17 "$Id: yaffs_mtdif2.c,v 1.27 2010-02-18 01:18:04 charles Exp $";
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	18
45 1f2f55618d63 If kernel/config.h is included in yportenv.h, then yportenv.h must be marty <marty> parents: 24 diff changeset	19 #include "yportenv.h"
342 ce702882929d Move tracing out of yportenv.h charles <charles> parents: 300 diff changeset	20 #include "yaffs_trace.h"
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	21
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	22 #include "yaffs_mtdif2.h"
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	23
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	24 #include "linux/mtd/mtd.h"
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	25 #include "linux/types.h"
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	26 #include "linux/time.h"
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	27
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	28 #include "yaffs_packedtags2.h"
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	29
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	30 #include "yaffs_linux.h"
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	31
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	32 /* NB For use with inband tags....
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	33 * We assume that the data buffer is of size totalBytersPerChunk so that we can also
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	34 * use it to load the tags.
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	35 */
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	36 int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND,
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	37 const __u8 *data,
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	38 const yaffs_ExtendedTags *tags)
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	39 {
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	40 struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	41 #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	42 struct mtd_oob_ops ops;
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	43 #else
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	44 size_t dummy;
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	45 #endif
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	46 int retval = 0;
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	47
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	48 loff_t addr;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	49
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	50 yaffs_PackedTags2 pt;
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	51
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	52 int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt);
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	53 void * packed_tags_ptr = dev->param.noTagsECC ? (void ) &pt.t : (void )&pt;
300 4d9d442da93f Allow the disabling of tags ECC charles <charles> parents: 271 diff changeset	54
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	55 T(YAFFS_TRACE_MTD,
0113df80498c lindent marty <marty> parents: 57 diff changeset	56 (TSTR
0113df80498c lindent marty <marty> parents: 57 diff changeset	57 ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
0113df80498c lindent marty <marty> parents: 57 diff changeset	58 TENDSTR), chunkInNAND, data, tags));
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	59
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	60
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	61 addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk;
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	62
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	63 /* For yaffs2 writing there must be both data and tags.
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	64 * If we're using inband tags, then the tags are stuffed into
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	65 * the end of the data buffer.
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	66 */
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	67 if (!data \|\| !tags)
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	68 BUG();
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	69 else if (dev->param.inbandTags) {
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	70 yaffs_PackedTags2TagsPart *pt2tp;
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	71 pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk);
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	72 yaffs_PackTags2TagsPart(pt2tp, tags);
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	73 } else
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	74 yaffs_PackTags2(&pt, tags, !dev->param.noTagsECC);
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	75
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	76 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	77 ops.mode = MTD_OOB_AUTO;
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	78 ops.ooblen = (dev->param.inbandTags) ? 0 : packed_tags_size;
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	79 ops.len = dev->param.totalBytesPerChunk;
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	80 ops.ooboffs = 0;
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	81 ops.datbuf = (__u8 *)data;
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	82 ops.oobbuf = (dev->param.inbandTags) ? NULL : packed_tags_ptr;
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	83 retval = mtd->write_oob(mtd, addr, &ops);
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	84
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	85 #else
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	86 if (!dev->param.inbandTags) {
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	87 retval =
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	88 mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
300 4d9d442da93f Allow the disabling of tags ECC charles <charles> parents: 271 diff changeset	89 &dummy, data, (__u8 *) packed_tags_ptr, NULL);
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	90 } else {
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	91 retval =
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	92 mtd->write(mtd, addr, dev->param.totalBytesPerChunk, &dummy,
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	93 data);
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	94 }
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	95 #endif
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	96
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	97 if (retval == 0)
0113df80498c lindent marty <marty> parents: 57 diff changeset	98 return YAFFS_OK;
0113df80498c lindent marty <marty> parents: 57 diff changeset	99 else
0113df80498c lindent marty <marty> parents: 57 diff changeset	100 return YAFFS_FAIL;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	101 }
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	102
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	103 int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND,
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	104 __u8 data, yaffs_ExtendedTags tags)
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	105 {
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	106 struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	107 #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	108 struct mtd_oob_ops ops;
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	109 #endif
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	110 size_t dummy;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	111 int retval = 0;
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	112 int localData = 0;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	113
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	114 loff_t addr = ((loff_t) chunkInNAND) * dev->param.totalBytesPerChunk;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	115
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	116 yaffs_PackedTags2 pt;
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	117
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	118 int packed_tags_size = dev->param.noTagsECC ? sizeof(pt.t) : sizeof(pt);
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	119 void * packed_tags_ptr = dev->param.noTagsECC ? (void ) &pt.t: (void )&pt;
300 4d9d442da93f Allow the disabling of tags ECC charles <charles> parents: 271 diff changeset	120
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	121 T(YAFFS_TRACE_MTD,
0113df80498c lindent marty <marty> parents: 57 diff changeset	122 (TSTR
126 2e7fd6d40037 Fix a couple of mistakes in TRACE/Error messages. Update copyright date. wookey <wookey> parents: 103 diff changeset	123 ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	124 TENDSTR), chunkInNAND, data, tags));
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	125
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	126 if (dev->param.inbandTags) {
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	127
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	128 if (!data) {
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	129 localData = 1;
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	130 data = yaffs_GetTempBuffer(dev, __LINE__);
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	131 }
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	132
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	133
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	134 }
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	135
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	136
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	137 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	138 if (dev->param.inbandTags \|\| (data && !tags))
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	139 retval = mtd->read(mtd, addr, dev->param.totalBytesPerChunk,
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	140 &dummy, data);
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	141 else if (tags) {
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	142 ops.mode = MTD_OOB_AUTO;
300 4d9d442da93f Allow the disabling of tags ECC charles <charles> parents: 271 diff changeset	143 ops.ooblen = packed_tags_size;
4d9d442da93f Allow the disabling of tags ECC charles <charles> parents: 271 diff changeset	144 ops.len = data ? dev->nDataBytesPerChunk : packed_tags_size;
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	145 ops.ooboffs = 0;
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	146 ops.datbuf = data;
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	147 ops.oobbuf = yaffs_DeviceToContext(dev)->spareBuffer;
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	148 retval = mtd->read_oob(mtd, addr, &ops);
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	149 }
bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	150 #else
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	151 if (!dev->param.inbandTags && data && tags) {
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	152
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	153 retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	154 &dummy, data, dev->spareBuffer,
0113df80498c lindent marty <marty> parents: 57 diff changeset	155 NULL);
0113df80498c lindent marty <marty> parents: 57 diff changeset	156 } else {
0113df80498c lindent marty <marty> parents: 57 diff changeset	157 if (data)
0113df80498c lindent marty <marty> parents: 57 diff changeset	158 retval =
146 1a32267ef1c1 Add large NAND support and improve retirement handling charles <charles> parents: 143 diff changeset	159 mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	160 data);
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	161 if (!dev->param.inbandTags && tags)
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	162 retval =
0113df80498c lindent marty <marty> parents: 57 diff changeset	163 mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
0113df80498c lindent marty <marty> parents: 57 diff changeset	164 dev->spareBuffer);
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	165 }
143 bec3d6bed11a Interworking with 2.6.18 kernel enabled vwool <vwool> parents: 142 diff changeset	166 #endif
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	167
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	168
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	169 if (dev->param.inbandTags) {
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	170 if (tags) {
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	171 yaffs_PackedTags2TagsPart *pt2tp;
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	172 pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk];
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	173 yaffs_UnpackTags2TagsPart(tags, pt2tp);
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	174 }
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	175 } else {
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	176 if (tags) {
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	177 memcpy(packed_tags_ptr, yaffs_DeviceToContext(dev)->spareBuffer, packed_tags_size);
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	178 yaffs_UnpackTags2(tags, &pt, !dev->param.noTagsECC);
204 0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	179 }
0f70320a2274 Check in inband tags, some extra yaffs direct functions and some other changes charles <charles> parents: 198 diff changeset	180 }
198 b7f785925166 Cleanup patch - Remove all trailing whitespace and fix a few typos. wookey <wookey> parents: 197 diff changeset	181
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	182 if (localData)
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	183 yaffs_ReleaseTempBuffer(dev, data, __LINE__);
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	184
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	185 if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	186 tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	187 if (retval == 0)
0113df80498c lindent marty <marty> parents: 57 diff changeset	188 return YAFFS_OK;
0113df80498c lindent marty <marty> parents: 57 diff changeset	189 else
0113df80498c lindent marty <marty> parents: 57 diff changeset	190 return YAFFS_FAIL;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	191 }
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	192
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	193 int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	194 {
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	195 struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	196 int retval;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	197 T(YAFFS_TRACE_MTD,
0113df80498c lindent marty <marty> parents: 57 diff changeset	198 (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo));
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	199
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	200 retval =
0113df80498c lindent marty <marty> parents: 57 diff changeset	201 mtd->block_markbad(mtd,
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	202 blockNo * dev->param.nChunksPerBlock *
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	203 dev->param.totalBytesPerChunk);
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	204
0113df80498c lindent marty <marty> parents: 57 diff changeset	205 if (retval == 0)
0113df80498c lindent marty <marty> parents: 57 diff changeset	206 return YAFFS_OK;
0113df80498c lindent marty <marty> parents: 57 diff changeset	207 else
0113df80498c lindent marty <marty> parents: 57 diff changeset	208 return YAFFS_FAIL;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	209
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	210 }
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	211
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	212 int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
271 c0dfae9e8073 Major whitespace/style changes to match Linux checkpatch.pl code style wookey <wookey> parents: 223 diff changeset	213 yaffs_BlockState state, __u32 sequenceNumber)
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	214 {
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	215 struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	216 int retval;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	217
0113df80498c lindent marty <marty> parents: 57 diff changeset	218 T(YAFFS_TRACE_MTD,
0113df80498c lindent marty <marty> parents: 57 diff changeset	219 (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo));
0113df80498c lindent marty <marty> parents: 57 diff changeset	220 retval =
0113df80498c lindent marty <marty> parents: 57 diff changeset	221 mtd->block_isbad(mtd,
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	222 blockNo * dev->param.nChunksPerBlock *
7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	223 dev->param.totalBytesPerChunk);
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	224
0113df80498c lindent marty <marty> parents: 57 diff changeset	225 if (retval) {
0113df80498c lindent marty <marty> parents: 57 diff changeset	226 T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
0113df80498c lindent marty <marty> parents: 57 diff changeset	227
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	228 *state = YAFFS_BLOCK_STATE_DEAD;
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	229 *sequenceNumber = 0;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	230 } else {
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	231 yaffs_ExtendedTags t;
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	232 nandmtd2_ReadChunkWithTagsFromNAND(dev,
0113df80498c lindent marty <marty> parents: 57 diff changeset	233 blockNo *
356 7ee0cc4ba753 Rationalise context and parameter handling charles <charles> parents: 343 diff changeset	234 dev->param.nChunksPerBlock, NULL,
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	235 &t);
0113df80498c lindent marty <marty> parents: 57 diff changeset	236
0113df80498c lindent marty <marty> parents: 57 diff changeset	237 if (t.chunkUsed) {
0113df80498c lindent marty <marty> parents: 57 diff changeset	238 *sequenceNumber = t.sequenceNumber;
0113df80498c lindent marty <marty> parents: 57 diff changeset	239 *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
0113df80498c lindent marty <marty> parents: 57 diff changeset	240 } else {
0113df80498c lindent marty <marty> parents: 57 diff changeset	241 *sequenceNumber = 0;
0113df80498c lindent marty <marty> parents: 57 diff changeset	242 *state = YAFFS_BLOCK_STATE_EMPTY;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	243 }
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	244 }
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	245 T(YAFFS_TRACE_MTD,
0113df80498c lindent marty <marty> parents: 57 diff changeset	246 (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber,
0113df80498c lindent marty <marty> parents: 57 diff changeset	247 *state));
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	248
76 0113df80498c lindent marty <marty> parents: 57 diff changeset	249 if (retval == 0)
0113df80498c lindent marty <marty> parents: 57 diff changeset	250 return YAFFS_OK;
0113df80498c lindent marty <marty> parents: 57 diff changeset	251 else
0113df80498c lindent marty <marty> parents: 57 diff changeset	252 return YAFFS_FAIL;
7 9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	253 }
9fd733a84a74 * empty log message * charles <charles> parents: diff changeset	254

Mercurial > yaffs-ecoscentric-gpl

annotate yaffs_mtdif2.c @ 391:d0784604eafd