From 1f948b43f7b5cf721cf0d03f507843efc1a9bfad Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 7 Nov 2005 11:15:37 +0000 Subject: [MTD] chips: Clean up trailing white spaces Signed-off-by: Thomas Gleixner --- drivers/mtd/chips/Kconfig | 22 ++-- drivers/mtd/chips/Makefile | 4 +- drivers/mtd/chips/amd_flash.c | 80 +++++++------- drivers/mtd/chips/cfi_cmdset_0001.c | 150 +++++++++++++------------- drivers/mtd/chips/cfi_cmdset_0002.c | 130 +++++++++++------------ drivers/mtd/chips/cfi_cmdset_0020.c | 172 +++++++++++++++--------------- drivers/mtd/chips/cfi_probe.c | 98 ++++++++--------- drivers/mtd/chips/cfi_util.c | 16 +-- drivers/mtd/chips/chipreg.c | 6 +- drivers/mtd/chips/fwh_lock.h | 6 +- drivers/mtd/chips/gen_probe.c | 32 +++--- drivers/mtd/chips/jedec.c | 206 ++++++++++++++++++------------------ drivers/mtd/chips/jedec_probe.c | 48 ++++----- drivers/mtd/chips/map_absent.c | 8 +- drivers/mtd/chips/sharp.c | 8 +- 15 files changed, 493 insertions(+), 493 deletions(-) diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index df95d2158b1..eafa23f5cbd 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -1,5 +1,5 @@ # drivers/mtd/chips/Kconfig -# $Id: Kconfig,v 1.15 2005/06/06 23:04:35 tpoynor Exp $ +# $Id: Kconfig,v 1.18 2005/11/07 11:14:22 gleixner Exp $ menu "RAM/ROM/Flash chip drivers" depends on MTD!=n @@ -39,7 +39,7 @@ config MTD_CFI_ADV_OPTIONS If you need to specify a specific endianness for access to flash chips, or if you wish to reduce the size of the kernel by including support for only specific arrangements of flash chips, say 'Y'. This - option does not directly affect the code, but will enable other + option does not directly affect the code, but will enable other configuration options which allow you to do so. If unsure, say 'N'. @@ -56,7 +56,7 @@ config MTD_CFI_NOSWAP data bits when writing the 'magic' commands to the chips. Saying 'NO', which is the default when CONFIG_MTD_CFI_ADV_OPTIONS isn't enabled, means that the CPU will not do any swapping; the chips - are expected to be wired to the CPU in 'host-endian' form. + are expected to be wired to the CPU in 'host-endian' form. Specific arrangements are possible with the BIG_ENDIAN_BYTE and LITTLE_ENDIAN_BYTE, if the bytes are reversed. @@ -79,10 +79,10 @@ config MTD_CFI_GEOMETRY bool "Specific CFI Flash geometry selection" depends on MTD_CFI_ADV_OPTIONS help - This option does not affect the code directly, but will enable + This option does not affect the code directly, but will enable some other configuration options which would allow you to reduce - the size of the kernel by including support for only certain - arrangements of CFI chips. If unsure, say 'N' and all options + the size of the kernel by including support for only certain + arrangements of CFI chips. If unsure, say 'N' and all options which are supported by the current code will be enabled. config MTD_MAP_BANK_WIDTH_1 @@ -197,7 +197,7 @@ config MTD_CFI_AMDSTD help The Common Flash Interface defines a number of different command sets which a CFI-compliant chip may claim to implement. This code - provides support for one of those command sets, used on chips + provides support for one of those command sets, used on chips including the AMD Am29LV320. config MTD_CFI_AMDSTD_RETRY @@ -237,14 +237,14 @@ config MTD_RAM tristate "Support for RAM chips in bus mapping" depends on MTD help - This option enables basic support for RAM chips accessed through + This option enables basic support for RAM chips accessed through a bus mapping driver. config MTD_ROM tristate "Support for ROM chips in bus mapping" depends on MTD help - This option enables basic support for ROM chips accessed through + This option enables basic support for ROM chips accessed through a bus mapping driver. config MTD_ABSENT @@ -275,7 +275,7 @@ config MTD_AMDSTD depends on MTD && MTD_OBSOLETE_CHIPS help This option enables support for flash chips using AMD-compatible - commands, including some which are not CFI-compatible and hence + commands, including some which are not CFI-compatible and hence cannot be used with the CONFIG_MTD_CFI_AMDSTD option. It also works on AMD compatible chips that do conform to CFI. @@ -285,7 +285,7 @@ config MTD_SHARP depends on MTD && MTD_OBSOLETE_CHIPS help This option enables support for flash chips using Sharp-compatible - commands, including some which are not CFI-compatible and hence + commands, including some which are not CFI-compatible and hence cannot be used with the CONFIG_MTD_CFI_INTELxxx options. config MTD_JEDEC diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile index 6830489828c..8afe3092c4e 100644 --- a/drivers/mtd/chips/Makefile +++ b/drivers/mtd/chips/Makefile @@ -1,7 +1,7 @@ # # linux/drivers/chips/Makefile # -# $Id: Makefile.common,v 1.4 2004/07/12 16:07:30 dwmw2 Exp $ +# $Id: Makefile.common,v 1.5 2005/11/07 11:14:22 gleixner Exp $ # *** BIG UGLY NOTE *** # @@ -11,7 +11,7 @@ # the CFI command set drivers are linked before gen_probe.o obj-$(CONFIG_MTD) += chipreg.o -obj-$(CONFIG_MTD_AMDSTD) += amd_flash.o +obj-$(CONFIG_MTD_AMDSTD) += amd_flash.o obj-$(CONFIG_MTD_CFI) += cfi_probe.o obj-$(CONFIG_MTD_CFI_UTIL) += cfi_util.o obj-$(CONFIG_MTD_CFI_STAA) += cfi_cmdset_0020.o diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c index 2dafeba3f3d..fdb91b6f1d9 100644 --- a/drivers/mtd/chips/amd_flash.c +++ b/drivers/mtd/chips/amd_flash.c @@ -3,7 +3,7 @@ * * Author: Jonas Holmberg * - * $Id: amd_flash.c,v 1.27 2005/02/04 07:43:09 jonashg Exp $ + * $Id: amd_flash.c,v 1.28 2005/11/07 11:14:22 gleixner Exp $ * * Copyright (c) 2001 Axis Communications AB * @@ -93,9 +93,9 @@ #define D6_MASK 0x40 struct amd_flash_private { - int device_type; - int interleave; - int numchips; + int device_type; + int interleave; + int numchips; unsigned long chipshift; // const char *im_name; struct flchip chips[0]; @@ -253,7 +253,7 @@ static int amd_flash_do_unlock(struct mtd_info *mtd, loff_t ofs, size_t len, int i; int retval = 0; int lock_status; - + map = mtd->priv; /* Pass the whole chip through sector by sector and check for each @@ -273,7 +273,7 @@ static int amd_flash_do_unlock(struct mtd_info *mtd, loff_t ofs, size_t len, unlock_sector(map, eraseoffset, is_unlock); lock_status = is_sector_locked(map, eraseoffset); - + if (is_unlock && lock_status) { printk("Cannot unlock sector at address %x length %xx\n", eraseoffset, merip->erasesize); @@ -305,7 +305,7 @@ static int amd_flash_lock(struct mtd_info *mtd, loff_t ofs, size_t len) /* * Reads JEDEC manufacturer ID and device ID and returns the index of the first * matching table entry (-1 if not found or alias for already found chip). - */ + */ static int probe_new_chip(struct mtd_info *mtd, __u32 base, struct flchip *chips, struct amd_flash_private *private, @@ -636,7 +636,7 @@ static struct mtd_info *amd_flash_probe(struct map_info *map) { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, { .offset = 0x1F0000, .erasesize = 0x02000, .numblocks = 8 } } - } + } }; struct mtd_info *mtd; @@ -701,7 +701,7 @@ static struct mtd_info *amd_flash_probe(struct map_info *map) mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * mtd->numeraseregions, GFP_KERNEL); - if (!mtd->eraseregions) { + if (!mtd->eraseregions) { printk(KERN_WARNING "%s: Failed to allocate " "memory for MTD erase region info\n", map->name); kfree(mtd); @@ -739,12 +739,12 @@ static struct mtd_info *amd_flash_probe(struct map_info *map) mtd->type = MTD_NORFLASH; mtd->flags = MTD_CAP_NORFLASH; mtd->name = map->name; - mtd->erase = amd_flash_erase; - mtd->read = amd_flash_read; - mtd->write = amd_flash_write; - mtd->sync = amd_flash_sync; - mtd->suspend = amd_flash_suspend; - mtd->resume = amd_flash_resume; + mtd->erase = amd_flash_erase; + mtd->read = amd_flash_read; + mtd->write = amd_flash_write; + mtd->sync = amd_flash_sync; + mtd->suspend = amd_flash_suspend; + mtd->resume = amd_flash_resume; mtd->lock = amd_flash_lock; mtd->unlock = amd_flash_unlock; @@ -789,7 +789,7 @@ retry: map->name, chip->state); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); schedule(); @@ -802,7 +802,7 @@ retry: timeo = jiffies + HZ; goto retry; - } + } adr += chip->start; @@ -889,7 +889,7 @@ retry: map->name, chip->state); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); schedule(); @@ -901,7 +901,7 @@ retry: timeo = jiffies + HZ; goto retry; - } + } chip->state = FL_WRITING; @@ -911,7 +911,7 @@ retry: wide_write(map, datum, adr); times_left = 500000; - while (times_left-- && flash_is_busy(map, adr, private->interleave)) { + while (times_left-- && flash_is_busy(map, adr, private->interleave)) { if (need_resched()) { spin_unlock_bh(chip->mutex); schedule(); @@ -989,7 +989,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len, if (ret) { return ret; } - + ofs += n; buf += n; (*retlen) += n; @@ -1002,7 +1002,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len, } } } - + /* We are now aligned, write as much as possible. */ while(len >= map->buswidth) { __u32 datum; @@ -1063,7 +1063,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len, if (ret) { return ret; } - + (*retlen) += n; } @@ -1085,7 +1085,7 @@ retry: if (chip->state != FL_READY){ set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); schedule(); @@ -1098,7 +1098,7 @@ retry: timeo = jiffies + HZ; goto retry; - } + } chip->state = FL_ERASING; @@ -1106,30 +1106,30 @@ retry: ENABLE_VPP(map); send_cmd(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA); send_cmd_to_addr(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA_2, adr); - + timeo = jiffies + (HZ * 20); spin_unlock_bh(chip->mutex); msleep(1000); spin_lock_bh(chip->mutex); - + while (flash_is_busy(map, adr, private->interleave)) { if (chip->state != FL_ERASING) { /* Someone's suspended the erase. Sleep */ set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); printk(KERN_INFO "%s: erase suspended. Sleeping\n", map->name); schedule(); remove_wait_queue(&chip->wq, &wait); - + if (signal_pending(current)) { return -EINTR; } - + timeo = jiffies + (HZ*2); /* FIXME */ spin_lock_bh(chip->mutex); continue; @@ -1145,7 +1145,7 @@ retry: return -EIO; } - + /* Latency issues. Drop the lock, wait a while and retry */ spin_unlock_bh(chip->mutex); @@ -1153,7 +1153,7 @@ retry: schedule(); else udelay(1); - + spin_lock_bh(chip->mutex); } @@ -1180,7 +1180,7 @@ retry: return -EIO; } } - + DISABLE_VPP(map); chip->state = FL_READY; wake_up(&chip->wq); @@ -1246,7 +1246,7 @@ static int amd_flash_erase(struct mtd_info *mtd, struct erase_info *instr) * with the erase region at that address. */ - while ((i < mtd->numeraseregions) && + while ((i < mtd->numeraseregions) && ((instr->addr + instr->len) >= regions[i].offset)) { i++; } @@ -1293,10 +1293,10 @@ static int amd_flash_erase(struct mtd_info *mtd, struct erase_info *instr) } } } - + instr->state = MTD_ERASE_DONE; mtd_erase_callback(instr); - + return 0; } @@ -1324,7 +1324,7 @@ static void amd_flash_sync(struct mtd_info *mtd) case FL_JEDEC_QUERY: chip->oldstate = chip->state; chip->state = FL_SYNCING; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -1335,13 +1335,13 @@ static void amd_flash_sync(struct mtd_info *mtd) default: /* Not an idle state */ add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - + goto retry; } } @@ -1351,7 +1351,7 @@ static void amd_flash_sync(struct mtd_info *mtd) chip = &private->chips[i]; spin_lock_bh(chip->mutex); - + if (chip->state == FL_SYNCING) { chip->state = chip->oldstate; wake_up(&chip->wq); diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 61a2ec9901e..e3a5c5d331b 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -4,9 +4,9 @@ * * (C) 2000 Red Hat. GPL'd * - * $Id: cfi_cmdset_0001.c,v 1.184 2005/10/25 20:28:40 nico Exp $ + * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $ + * * - * * 10/10/2000 Nicolas Pitre * - completely revamped method functions so they are aware and * independent of the flash geometry (buswidth, interleave, etc.) @@ -120,17 +120,17 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) printk(" - Simultaneous operations: %s\n", extp->FeatureSupport&512?"supported":"unsupported"); printk(" - Extended Flash Array: %s\n", extp->FeatureSupport&1024?"supported":"unsupported"); for (i=11; i<32; i++) { - if (extp->FeatureSupport & (1<FeatureSupport & (1<SuspendCmdSupport); printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported"); for (i=1; i<8; i++) { if (extp->SuspendCmdSupport & (1<BlkStatusRegMask); printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no"); printk(" - Lock-Down Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no"); @@ -145,16 +145,16 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) printk(" - Unknown Bit %X Active: yes\n",i); } - printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n", + printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n", extp->VccOptimal >> 4, extp->VccOptimal & 0xf); if (extp->VppOptimal) - printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", + printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", extp->VppOptimal >> 4, extp->VppOptimal & 0xf); } #endif #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE -/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ +/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) { struct map_info *map = mtd->priv; @@ -185,7 +185,7 @@ static void fixup_st_m28w320ct(struct mtd_info *mtd, void* param) { struct map_info *map = mtd->priv; struct cfi_private *cfi = map->fldrv_priv; - + cfi->cfiq->BufWriteTimeoutTyp = 0; /* Not supported */ cfi->cfiq->BufWriteTimeoutMax = 0; /* Not supported */ } @@ -194,7 +194,7 @@ static void fixup_st_m28w320cb(struct mtd_info *mtd, void* param) { struct map_info *map = mtd->priv; struct cfi_private *cfi = map->fldrv_priv; - + /* Note this is done after the region info is endian swapped */ cfi->cfiq->EraseRegionInfo[1] = (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e; @@ -222,7 +222,7 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) static struct cfi_fixup cfi_fixup_table[] = { #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE - { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, + { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, #endif #ifdef CMDSET0001_DISABLE_WRITE_SUSPEND { CFI_MFR_ANY, CFI_ID_ANY, fixup_no_write_suspend, NULL }, @@ -327,7 +327,7 @@ read_pri_intelext(struct map_info *map, __u16 adr) goto again; } } - + return extp; } @@ -368,7 +368,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) mtd->reboot_notifier.notifier_call = cfi_intelext_reboot; if (cfi->cfi_mode == CFI_MODE_CFI) { - /* + /* * It's a real CFI chip, not one for which the probe * routine faked a CFI structure. So we read the feature * table from it. @@ -383,14 +383,14 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) } /* Install our own private info structure */ - cfi->cmdset_priv = extp; + cfi->cmdset_priv = extp; cfi_fixup(mtd, cfi_fixup_table); #ifdef DEBUG_CFI_FEATURES /* Tell the user about it in lots of lovely detail */ cfi_tell_features(extp); -#endif +#endif if(extp->SuspendCmdSupport & 1) { printk(KERN_NOTICE "cfi_cmdset_0001: Erase suspend on write enabled\n"); @@ -408,10 +408,10 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) cfi->chips[i].buffer_write_time = 1<cfiq->BufWriteTimeoutTyp; cfi->chips[i].erase_time = 1<cfiq->BlockEraseTimeoutTyp; cfi->chips[i].ref_point_counter = 0; - } + } map->fldrv = &cfi_intelext_chipdrv; - + return cfi_intelext_setup(mtd); } @@ -428,13 +428,13 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd) mtd->size = devsize * cfi->numchips; mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; - mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) + mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * mtd->numeraseregions, GFP_KERNEL); - if (!mtd->eraseregions) { + if (!mtd->eraseregions) { printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n"); goto setup_err; } - + for (i=0; icfiq->NumEraseRegions; i++) { unsigned long ernum, ersize; ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; @@ -701,7 +701,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr break; if (time_after(jiffies, timeo)) { - printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n", + printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n", map->name, status.x[0]); return -EIO; } @@ -711,7 +711,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr /* Someone else might have been playing with it. */ goto retry; } - + case FL_READY: case FL_CFI_QUERY: case FL_JEDEC_QUERY: @@ -830,14 +830,14 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad switch(chip->oldstate) { case FL_ERASING: chip->state = chip->oldstate; - /* What if one interleaved chip has finished and the + /* What if one interleaved chip has finished and the other hasn't? The old code would leave the finished - one in READY mode. That's bad, and caused -EROFS + one in READY mode. That's bad, and caused -EROFS errors to be returned from do_erase_oneblock because that's the only bit it checked for at the time. - As the state machine appears to explicitly allow + As the state machine appears to explicitly allow sending the 0x70 (Read Status) command to an erasing - chip and expecting it to be ignored, that's what we + chip and expecting it to be ignored, that's what we do. */ map_write(map, CMD(0xd0), adr); map_write(map, CMD(0x70), adr); @@ -1073,8 +1073,8 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a adr += chip->start; - /* Ensure cmd read/writes are aligned. */ - cmd_addr = adr & ~(map_bankwidth(map)-1); + /* Ensure cmd read/writes are aligned. */ + cmd_addr = adr & ~(map_bankwidth(map)-1); spin_lock(chip->mutex); @@ -1102,7 +1102,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si if (!map->virt || (from + len > mtd->size)) return -EINVAL; - + *mtdbuf = (void *)map->virt + from; *retlen = 0; @@ -1129,7 +1129,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si *retlen += thislen; len -= thislen; - + ofs = 0; chipnum++; } @@ -1187,8 +1187,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof adr += chip->start; - /* Ensure cmd read/writes are aligned. */ - cmd_addr = adr & ~(map_bankwidth(map)-1); + /* Ensure cmd read/writes are aligned. */ + cmd_addr = adr & ~(map_bankwidth(map)-1); spin_lock(chip->mutex); ret = get_chip(map, chip, cmd_addr, FL_READY); @@ -1243,7 +1243,7 @@ static int cfi_intelext_read (struct mtd_info *mtd, loff_t from, size_t len, siz *retlen += thislen; len -= thislen; buf += thislen; - + ofs = 0; chipnum++; } @@ -1311,7 +1311,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -1331,7 +1331,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, if (!chip->word_write_time) chip->word_write_time = 1; } - if (z > 1) + if (z > 1) chip->word_write_time++; /* Done and happy. */ @@ -1394,7 +1394,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le ret = do_write_oneword(map, &cfi->chips[chipnum], bus_ofs, datum, FL_WRITING); - if (ret) + if (ret) return ret; len -= n; @@ -1403,13 +1403,13 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le (*retlen) += n; if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; } } - + while(len >= map_bankwidth(map)) { map_word datum = map_word_load(map, buf); @@ -1424,7 +1424,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le len -= map_bankwidth(map); if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; @@ -1439,9 +1439,9 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le ret = do_write_oneword(map, &cfi->chips[chipnum], ofs, datum, FL_WRITING); - if (ret) + if (ret) return ret; - + (*retlen) += len; } @@ -1449,7 +1449,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le } -static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, +static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, unsigned long adr, const struct kvec **pvec, unsigned long *pvec_seek, int len) { @@ -1480,7 +1480,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, xip_disable(map, chip, cmd_adr); /* §4.8 of the 28FxxxJ3A datasheet says "Any time SR.4 and/or SR.5 is set - [...], the device will not accept any more Write to Buffer commands". + [...], the device will not accept any more Write to Buffer commands". So we must check here and reset those bits if they're set. Otherwise we're just pissing in the wind */ if (chip->state != FL_STATUS) @@ -1549,9 +1549,9 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, if (!word_gap && len < map_bankwidth(map)) datum = map_word_ff(map); - + datum = map_word_load_partial(map, datum, - vec->iov_base + vec_seek, + vec->iov_base + vec_seek, word_gap, n); len -= n; @@ -1575,7 +1575,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, map_write(map, CMD(0xd0), cmd_adr); chip->state = FL_WRITING; - INVALIDATE_CACHE_UDELAY(map, chip, + INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, len, chip->buffer_write_time); @@ -1608,7 +1608,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, ret = -EIO; goto out; } - + /* Latency issues. Drop the lock, wait a while and retry */ z++; UDELAY(map, chip, cmd_adr, 1); @@ -1618,7 +1618,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, if (!chip->buffer_write_time) chip->buffer_write_time = 1; } - if (z > 1) + if (z > 1) chip->buffer_write_time++; /* Done and happy. */ @@ -1680,7 +1680,7 @@ static int cfi_intelext_writev (struct mtd_info *mtd, const struct kvec *vecs, if (size > len) size = len; - ret = do_write_buffer(map, &cfi->chips[chipnum], + ret = do_write_buffer(map, &cfi->chips[chipnum], ofs, &vecs, &vec_seek, size); if (ret) return ret; @@ -1690,7 +1690,7 @@ static int cfi_intelext_writev (struct mtd_info *mtd, const struct kvec *vecs, len -= size; if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; @@ -1776,7 +1776,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -1786,7 +1786,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, ret = -EIO; goto out; } - + /* Latency issues. Drop the lock, wait a while and retry */ UDELAY(map, chip, adr, 1000000/HZ); } @@ -1849,7 +1849,7 @@ int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) instr->state = MTD_ERASE_DONE; mtd_erase_callback(instr); - + return 0; } @@ -1870,7 +1870,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd) if (!ret) { chip->oldstate = chip->state; chip->state = FL_SYNCING; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -1884,7 +1884,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd) chip = &cfi->chips[i]; spin_lock(chip->mutex); - + if (chip->state == FL_SYNCING) { chip->state = chip->oldstate; chip->oldstate = FL_READY; @@ -1941,7 +1941,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip ENABLE_VPP(map); xip_disable(map, chip, adr); - + map_write(map, CMD(0x60), adr); if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) { map_write(map, CMD(0x01), adr); @@ -1969,7 +1969,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -1980,11 +1980,11 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip spin_unlock(chip->mutex); return -EIO; } - + /* Latency issues. Drop the lock, wait a while and retry */ UDELAY(map, chip, adr, 1); } - + /* Done and happy. */ chip->state = FL_STATUS; xip_enable(map, chip, adr); @@ -2004,9 +2004,9 @@ static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, size_t len) ofs, len, 0); #endif - ret = cfi_varsize_frob(mtd, do_xxlock_oneblock, + ret = cfi_varsize_frob(mtd, do_xxlock_oneblock, ofs, len, DO_XXLOCK_ONEBLOCK_LOCK); - + #ifdef DEBUG_LOCK_BITS printk(KERN_DEBUG "%s: lock status after, ret=%d\n", __FUNCTION__, ret); @@ -2030,20 +2030,20 @@ static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) ret = cfi_varsize_frob(mtd, do_xxlock_oneblock, ofs, len, DO_XXLOCK_ONEBLOCK_UNLOCK); - + #ifdef DEBUG_LOCK_BITS printk(KERN_DEBUG "%s: lock status after, ret=%d\n", __FUNCTION__, ret); - cfi_varsize_frob(mtd, do_printlockstatus_oneblock, + cfi_varsize_frob(mtd, do_printlockstatus_oneblock, ofs, len, 0); #endif - + return ret; } #ifdef CONFIG_MTD_OTP -typedef int (*otp_op_t)(struct map_info *map, struct flchip *chip, +typedef int (*otp_op_t)(struct map_info *map, struct flchip *chip, u_long data_offset, u_char *buf, u_int size, u_long prot_offset, u_int groupno, u_int groupsize); @@ -2094,7 +2094,7 @@ do_otp_write(struct map_info *map, struct flchip *chip, u_long offset, datum = map_word_load_partial(map, datum, buf, gap, n); ret = do_write_oneword(map, chip, bus_ofs, datum, FL_OTP_WRITE); - if (ret) + if (ret) return ret; offset += n; @@ -2287,7 +2287,7 @@ static int cfi_intelext_lock_user_prot_reg(struct mtd_info *mtd, NULL, do_otp_lock, 1); } -static int cfi_intelext_get_fact_prot_info(struct mtd_info *mtd, +static int cfi_intelext_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf, size_t len) { size_t retlen; @@ -2330,7 +2330,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) if (chip->oldstate == FL_READY) { chip->oldstate = chip->state; chip->state = FL_PM_SUSPENDED; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -2358,9 +2358,9 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) if (ret) { for (i--; i >=0; i--) { chip = &cfi->chips[i]; - + spin_lock(chip->mutex); - + if (chip->state == FL_PM_SUSPENDED) { /* No need to force it into a known state here, because we're returning failure, and it didn't @@ -2371,8 +2371,8 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) } spin_unlock(chip->mutex); } - } - + } + return ret; } @@ -2384,11 +2384,11 @@ static void cfi_intelext_resume(struct mtd_info *mtd) struct flchip *chip; for (i=0; inumchips; i++) { - + chip = &cfi->chips[i]; spin_lock(chip->mutex); - + /* Go to known state. Chip may have been power cycled */ if (chip->state == FL_PM_SUSPENDED) { map_write(map, CMD(0xFF), cfi->chips[i].start); @@ -2410,7 +2410,7 @@ static int cfi_intelext_reset(struct mtd_info *mtd) struct flchip *chip = &cfi->chips[i]; /* force the completion of any ongoing operation - and switch to array mode so any bootloader in + and switch to array mode so any bootloader in flash is accessible for soft reboot. */ spin_lock(chip->mutex); ret = get_chip(map, chip, chip->start, FL_SYNCING); diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 50dd7d2f096..88c5f5a34cb 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -10,14 +10,14 @@ * * 4_by_16 work by Carolyn J. Smith * - * XIP support hooks by Vitaly Wool (based on code for Intel flash + * XIP support hooks by Vitaly Wool (based on code for Intel flash * by Nicolas Pitre) - * + * * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com * * This code is GPL * - * $Id: cfi_cmdset_0002.c,v 1.121 2005/11/07 09:00:01 gleixner Exp $ + * $Id: cfi_cmdset_0002.c,v 1.122 2005/11/07 11:14:22 gleixner Exp $ * */ @@ -93,7 +93,7 @@ static void cfi_tell_features(struct cfi_pri_amdstd *extp) }; printk(" Silicon revision: %d\n", extp->SiliconRevision >> 1); - printk(" Address sensitive unlock: %s\n", + printk(" Address sensitive unlock: %s\n", (extp->SiliconRevision & 1) ? "Not required" : "Required"); if (extp->EraseSuspend < ARRAY_SIZE(erase_suspend)) @@ -118,9 +118,9 @@ static void cfi_tell_features(struct cfi_pri_amdstd *extp) else printk(" Page mode: %d word page\n", extp->PageMode << 2); - printk(" Vpp Supply Minimum Program/Erase Voltage: %d.%d V\n", + printk(" Vpp Supply Minimum Program/Erase Voltage: %d.%d V\n", extp->VppMin >> 4, extp->VppMin & 0xf); - printk(" Vpp Supply Maximum Program/Erase Voltage: %d.%d V\n", + printk(" Vpp Supply Maximum Program/Erase Voltage: %d.%d V\n", extp->VppMax >> 4, extp->VppMax & 0xf); if (extp->TopBottom < ARRAY_SIZE(top_bottom)) @@ -177,7 +177,7 @@ static void fixup_use_erase_chip(struct mtd_info *mtd, void *param) ((cfi->cfiq->EraseRegionInfo[0] & 0xffff) == 0)) { mtd->erase = cfi_amdstd_erase_chip; } - + } static struct cfi_fixup cfi_fixup_table[] = { @@ -239,7 +239,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) if (cfi->cfi_mode==CFI_MODE_CFI){ unsigned char bootloc; - /* + /* * It's a real CFI chip, not one for which the probe * routine faked a CFI structure. So we read the feature * table from it. @@ -264,7 +264,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) } /* Install our own private info structure */ - cfi->cmdset_priv = extp; + cfi->cmdset_priv = extp; /* Apply cfi device specific fixups */ cfi_fixup(mtd, cfi_fixup_table); @@ -272,7 +272,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) #ifdef DEBUG_CFI_FEATURES /* Tell the user about it in lots of lovely detail */ cfi_tell_features(extp); -#endif +#endif bootloc = extp->TopBottom; if ((bootloc != 2) && (bootloc != 3)) { @@ -283,11 +283,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) { printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name); - + for (i=0; icfiq->NumEraseRegions / 2; i++) { int j = (cfi->cfiq->NumEraseRegions-1)-i; __u32 swap; - + swap = cfi->cfiq->EraseRegionInfo[i]; cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j]; cfi->cfiq->EraseRegionInfo[j] = swap; @@ -298,11 +298,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) cfi->addr_unlock2 = 0x2aa; /* Modify the unlock address if we are in compatibility mode */ if ( /* x16 in x8 mode */ - ((cfi->device_type == CFI_DEVICETYPE_X8) && + ((cfi->device_type == CFI_DEVICETYPE_X8) && (cfi->cfiq->InterfaceDesc == 2)) || /* x32 in x16 mode */ ((cfi->device_type == CFI_DEVICETYPE_X16) && - (cfi->cfiq->InterfaceDesc == 4))) + (cfi->cfiq->InterfaceDesc == 4))) { cfi->addr_unlock1 = 0xaaa; cfi->addr_unlock2 = 0x555; @@ -320,10 +320,10 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) cfi->chips[i].word_write_time = 1<cfiq->WordWriteTimeoutTyp; cfi->chips[i].buffer_write_time = 1<cfiq->BufWriteTimeoutTyp; cfi->chips[i].erase_time = 1<cfiq->BlockEraseTimeoutTyp; - } - + } + map->fldrv = &cfi_amdstd_chipdrv; - + return cfi_amdstd_setup(mtd); } @@ -336,24 +336,24 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd) unsigned long offset = 0; int i,j; - printk(KERN_NOTICE "number of %s chips: %d\n", + printk(KERN_NOTICE "number of %s chips: %d\n", (cfi->cfi_mode == CFI_MODE_CFI)?"CFI":"JEDEC",cfi->numchips); - /* Select the correct geometry setup */ + /* Select the correct geometry setup */ mtd->size = devsize * cfi->numchips; mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * mtd->numeraseregions, GFP_KERNEL); - if (!mtd->eraseregions) { + if (!mtd->eraseregions) { printk(KERN_WARNING "Failed to allocate memory for MTD erase region info\n"); goto setup_err; } - + for (i=0; icfiq->NumEraseRegions; i++) { unsigned long ernum, ersize; ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; ernum = (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1; - + if (mtd->erasesize < ersize) { mtd->erasesize = ersize; } @@ -440,7 +440,7 @@ static int __xipram chip_good(struct map_info *map, unsigned long addr, map_word oldd = map_read(map, addr); curd = map_read(map, addr); - return map_word_equal(map, oldd, curd) && + return map_word_equal(map, oldd, curd) && map_word_equal(map, curd, expected); } @@ -472,7 +472,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr /* Someone else might have been playing with it. */ goto retry; } - + case FL_READY: case FL_CFI_QUERY: case FL_JEDEC_QUERY: @@ -515,7 +515,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr printk(KERN_ERR "MTD %s(): chip not ready after erase suspend\n", __func__); return -EIO; } - + spin_unlock(chip->mutex); cfi_udelay(1); spin_lock(chip->mutex); @@ -618,7 +618,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip, * When a delay is required for the flash operation to complete, the * xip_udelay() function is polling for both the given timeout and pending * (but still masked) hardware interrupts. Whenever there is an interrupt - * pending then the flash erase operation is suspended, array mode restored + * pending then the flash erase operation is suspended, array mode restored * and interrupts unmasked. Task scheduling might also happen at that * point. The CPU eventually returns from the interrupt or the call to * schedule() and the suspended flash operation is resumed for the remaining @@ -642,9 +642,9 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, ((chip->state == FL_ERASING && (extp->EraseSuspend & 2))) && (cfi_interleave_is_1(cfi) || chip->oldstate == FL_READY)) { /* - * Let's suspend the erase operation when supported. - * Note that we currently don't try to suspend - * interleaved chips if there is already another + * Let's suspend the erase operation when supported. + * Note that we currently don't try to suspend + * interleaved chips if there is already another * operation suspended (imagine what happens * when one chip was already done with the current * operation while another chip suspended it, then @@ -780,8 +780,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof adr += chip->start; - /* Ensure cmd read/writes are aligned. */ - cmd_addr = adr & ~(map_bankwidth(map)-1); + /* Ensure cmd read/writes are aligned. */ + cmd_addr = adr & ~(map_bankwidth(map)-1); spin_lock(chip->mutex); ret = get_chip(map, chip, cmd_addr, FL_READY); @@ -861,7 +861,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi #endif set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&chip->wq, &wait); - + spin_unlock(chip->mutex); schedule(); @@ -873,7 +873,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi timeo = jiffies + HZ; goto retry; - } + } adr += chip->start; @@ -882,14 +882,14 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x88, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); - + map_copy_from(map, buf, adr, len); cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x90, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); - + wake_up(&chip->wq); spin_unlock(chip->mutex); @@ -998,7 +998,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, chip->word_write_time); /* See comment above for timeout value. */ - timeo = jiffies + uWriteTimeout; + timeo = jiffies + uWriteTimeout; for (;;) { if (chip->state != FL_WRITING) { /* Someone's suspended the write. Sleep */ @@ -1033,7 +1033,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, map_write( map, CMD(0xF0), chip->start ); /* FIXME - should have reset delay before continuing */ - if (++retry_cnt <= MAX_WORD_RETRIES) + if (++retry_cnt <= MAX_WORD_RETRIES) goto retry; ret = -EIO; @@ -1101,27 +1101,27 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, /* Number of bytes to copy from buffer */ n = min_t(int, len, map_bankwidth(map)-i); - + tmp_buf = map_word_load_partial(map, tmp_buf, buf, i, n); - ret = do_write_oneword(map, &cfi->chips[chipnum], + ret = do_write_oneword(map, &cfi->chips[chipnum], bus_ofs, tmp_buf); - if (ret) + if (ret) return ret; - + ofs += n; buf += n; (*retlen) += n; len -= n; if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; } } - + /* We are now aligned, write as much as possible */ while(len >= map_bankwidth(map)) { map_word datum; @@ -1139,7 +1139,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, len -= map_bankwidth(map); if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; @@ -1177,12 +1177,12 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, spin_unlock(cfi->chips[chipnum].mutex); tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len); - - ret = do_write_oneword(map, &cfi->chips[chipnum], + + ret = do_write_oneword(map, &cfi->chips[chipnum], ofs, tmp_buf); - if (ret) + if (ret) return ret; - + (*retlen) += len; } @@ -1194,7 +1194,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, * FIXME: interleaved mode not tested, and probably not supported! */ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, - unsigned long adr, const u_char *buf, + unsigned long adr, const u_char *buf, int len) { struct cfi_private *cfi = map->fldrv_priv; @@ -1224,7 +1224,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, XIP_INVAL_CACHED_RANGE(map, adr, len); ENABLE_VPP(map); xip_disable(map, chip, cmd_adr); - + cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); //cfi_send_gen_cmd(0xA0, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); @@ -1258,8 +1258,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, adr, map_bankwidth(map), chip->word_write_time); - timeo = jiffies + uWriteTimeout; - + timeo = jiffies + uWriteTimeout; + for (;;) { if (chip->state != FL_WRITING) { /* Someone's suspended the write. Sleep */ @@ -1353,7 +1353,7 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, if (size % map_bankwidth(map)) size -= size % map_bankwidth(map); - ret = do_write_buffer(map, &cfi->chips[chipnum], + ret = do_write_buffer(map, &cfi->chips[chipnum], ofs, buf, size); if (ret) return ret; @@ -1364,7 +1364,7 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, len -= size; if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; @@ -1581,7 +1581,7 @@ int cfi_amdstd_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) instr->state = MTD_ERASE_DONE; mtd_erase_callback(instr); - + return 0; } @@ -1604,7 +1604,7 @@ static int cfi_amdstd_erase_chip(struct mtd_info *mtd, struct erase_info *instr) instr->state = MTD_ERASE_DONE; mtd_erase_callback(instr); - + return 0; } @@ -1631,7 +1631,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd) case FL_JEDEC_QUERY: chip->oldstate = chip->state; chip->state = FL_SYNCING; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -1642,13 +1642,13 @@ static void cfi_amdstd_sync (struct mtd_info *mtd) default: /* Not an idle state */ add_wait_queue(&chip->wq, &wait); - + spin_unlock(chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - + goto retry; } } @@ -1659,7 +1659,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd) chip = &cfi->chips[i]; spin_lock(chip->mutex); - + if (chip->state == FL_SYNCING) { chip->state = chip->oldstate; wake_up(&chip->wq); @@ -1689,7 +1689,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd) case FL_JEDEC_QUERY: chip->oldstate = chip->state; chip->state = FL_PM_SUSPENDED; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -1710,7 +1710,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd) chip = &cfi->chips[i]; spin_lock(chip->mutex); - + if (chip->state == FL_PM_SUSPENDED) { chip->state = chip->oldstate; wake_up(&chip->wq); @@ -1718,7 +1718,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd) spin_unlock(chip->mutex); } } - + return ret; } @@ -1731,11 +1731,11 @@ static void cfi_amdstd_resume(struct mtd_info *mtd) struct flchip *chip; for (i=0; inumchips; i++) { - + chip = &cfi->chips[i]; spin_lock(chip->mutex); - + if (chip->state == FL_PM_SUSPENDED) { chip->state = FL_READY; map_write(map, CMD(0xF0), chip->start); diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c index d22df2d9678..39e3c2d9441 100644 --- a/drivers/mtd/chips/cfi_cmdset_0020.c +++ b/drivers/mtd/chips/cfi_cmdset_0020.c @@ -4,7 +4,7 @@ * * (C) 2000 Red Hat. GPL'd * - * $Id: cfi_cmdset_0020.c,v 1.20 2005/07/20 21:01:14 tpoynor Exp $ + * $Id: cfi_cmdset_0020.c,v 1.22 2005/11/07 11:14:22 gleixner Exp $ * * 10/10/2000 Nicolas Pitre * - completely revamped method functions so they are aware and @@ -81,17 +81,17 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) printk(" - Page-mode read: %s\n", extp->FeatureSupport&128?"supported":"unsupported"); printk(" - Synchronous read: %s\n", extp->FeatureSupport&256?"supported":"unsupported"); for (i=9; i<32; i++) { - if (extp->FeatureSupport & (1<FeatureSupport & (1<SuspendCmdSupport); printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported"); for (i=1; i<8; i++) { if (extp->SuspendCmdSupport & (1<BlkStatusRegMask); printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no"); printk(" - Valid Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no"); @@ -99,11 +99,11 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp) if (extp->BlkStatusRegMask & (1<VccOptimal >> 8, extp->VccOptimal & 0xf); if (extp->VppOptimal) - printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", + printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", extp->VppOptimal >> 8, extp->VppOptimal & 0xf); } #endif @@ -121,7 +121,7 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary) int i; if (cfi->cfi_mode) { - /* + /* * It's a real CFI chip, not one for which the probe * routine faked a CFI structure. So we read the feature * table from it. @@ -145,21 +145,21 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary) /* Do some byteswapping if necessary */ extp->FeatureSupport = cfi32_to_cpu(extp->FeatureSupport); extp->BlkStatusRegMask = cfi32_to_cpu(extp->BlkStatusRegMask); - + #ifdef DEBUG_CFI_FEATURES /* Tell the user about it in lots of lovely detail */ cfi_tell_features(extp); -#endif +#endif /* Install our own private info structure */ cfi->cmdset_priv = extp; - } + } for (i=0; i< cfi->numchips; i++) { cfi->chips[i].word_write_time = 128; cfi->chips[i].buffer_write_time = 128; cfi->chips[i].erase_time = 1024; - } + } return cfi_staa_setup(map); } @@ -187,15 +187,15 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map) mtd->size = devsize * cfi->numchips; mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; - mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) + mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * mtd->numeraseregions, GFP_KERNEL); - if (!mtd->eraseregions) { + if (!mtd->eraseregions) { printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n"); kfree(cfi->cmdset_priv); kfree(mtd); return NULL; } - + for (i=0; icfiq->NumEraseRegions; i++) { unsigned long ernum, ersize; ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; @@ -228,7 +228,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map) mtd->eraseregions[i].numblocks); } - /* Also select the correct geometry setup too */ + /* Also select the correct geometry setup too */ mtd->erase = cfi_staa_erase_varsize; mtd->read = cfi_staa_read; mtd->write = cfi_staa_write_buffers; @@ -259,8 +259,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof adr += chip->start; - /* Ensure cmd read/writes are aligned. */ - cmd_addr = adr & ~(map_bankwidth(map)-1); + /* Ensure cmd read/writes are aligned. */ + cmd_addr = adr & ~(map_bankwidth(map)-1); /* Let's determine this according to the interleave only once */ status_OK = CMD(0x80); @@ -276,7 +276,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof case FL_ERASING: if (!(((struct cfi_pri_intelext *)cfi->cmdset_priv)->FeatureSupport & 2)) goto sleep; /* We don't support erase suspend */ - + map_write (map, CMD(0xb0), cmd_addr); /* If the flash has finished erasing, then 'erase suspend' * appears to make some (28F320) flash devices switch to @@ -291,7 +291,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof status = map_read(map, cmd_addr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + if (time_after(jiffies, timeo)) { /* Urgh */ map_write(map, CMD(0xd0), cmd_addr); @@ -303,17 +303,17 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof "suspended: status = 0x%lx\n", status.x[0]); return -EIO; } - + spin_unlock_bh(chip->mutex); cfi_udelay(1); spin_lock_bh(chip->mutex); } - + suspended = 1; map_write(map, CMD(0xff), cmd_addr); chip->state = FL_READY; break; - + #if 0 case FL_WRITING: /* Not quite yet */ @@ -334,7 +334,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof chip->state = FL_READY; break; } - + /* Urgh. Chip not yet ready to talk to us. */ if (time_after(jiffies, timeo)) { spin_unlock_bh(chip->mutex); @@ -364,17 +364,17 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof if (suspended) { chip->state = chip->oldstate; - /* What if one interleaved chip has finished and the + /* What if one interleaved chip has finished and the other hasn't? The old code would leave the finished - one in READY mode. That's bad, and caused -EROFS + one in READY mode. That's bad, and caused -EROFS errors to be returned from do_erase_oneblock because that's the only bit it checked for at the time. - As the state machine appears to explicitly allow + As the state machine appears to explicitly allow sending the 0x70 (Read Status) command to an erasing - chip and expecting it to be ignored, that's what we + chip and expecting it to be ignored, that's what we do. */ map_write(map, CMD(0xd0), cmd_addr); - map_write(map, CMD(0x70), cmd_addr); + map_write(map, CMD(0x70), cmd_addr); } wake_up(&chip->wq); @@ -414,14 +414,14 @@ static int cfi_staa_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen += thislen; len -= thislen; buf += thislen; - + ofs = 0; chipnum++; } return ret; } -static inline int do_write_buffer(struct map_info *map, struct flchip *chip, +static inline int do_write_buffer(struct map_info *map, struct flchip *chip, unsigned long adr, const u_char *buf, int len) { struct cfi_private *cfi = map->fldrv_priv; @@ -429,7 +429,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, unsigned long cmd_adr, timeo; DECLARE_WAITQUEUE(wait, current); int wbufsize, z; - + /* M58LW064A requires bus alignment for buffer wriets -- saw */ if (adr & (map_bankwidth(map)-1)) return -EINVAL; @@ -437,10 +437,10 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize; adr += chip->start; cmd_adr = adr & ~(wbufsize-1); - + /* Let's determine this according to the interleave only once */ status_OK = CMD(0x80); - + timeo = jiffies + HZ; retry: @@ -448,7 +448,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, printk("%s: chip->state[%d]\n", __FUNCTION__, chip->state); #endif spin_lock_bh(chip->mutex); - + /* Check that the chip's ready to talk to us. * Later, we can actually think about interrupting it * if it's in FL_ERASING state. @@ -457,7 +457,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, switch (chip->state) { case FL_READY: break; - + case FL_CFI_QUERY: case FL_JEDEC_QUERY: map_write(map, CMD(0x70), cmd_adr); @@ -522,7 +522,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, /* Write length of data to come */ map_write(map, CMD(len/map_bankwidth(map)-1), cmd_adr ); - + /* Write data */ for (z = 0; z < len; z += map_bankwidth(map), buf += map_bankwidth(map)) { @@ -569,7 +569,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, printk(KERN_ERR "waiting for chip to be ready timed out in bufwrite\n"); return -EIO; } - + /* Latency issues. Drop the lock, wait a while and retry */ spin_unlock_bh(chip->mutex); cfi_udelay(1); @@ -581,9 +581,9 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, if (!chip->buffer_write_time) chip->buffer_write_time++; } - if (z > 1) + if (z > 1) chip->buffer_write_time++; - + /* Done and happy. */ DISABLE_VPP(map); chip->state = FL_STATUS; @@ -607,7 +607,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip, return 0; } -static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, +static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf) { struct map_info *map = mtd->priv; @@ -629,7 +629,7 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, printk("%s: chipnum[%x] wbufsize[%x]\n", __FUNCTION__, chipnum, wbufsize); printk("%s: ofs[%x] len[%x]\n", __FUNCTION__, ofs, len); #endif - + /* Write buffer is worth it only if more than one word to write... */ while (len > 0) { /* We must not cross write block boundaries */ @@ -638,7 +638,7 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, if (size > len) size = len; - ret = do_write_buffer(map, &cfi->chips[chipnum], + ret = do_write_buffer(map, &cfi->chips[chipnum], ofs, buf, size); if (ret) return ret; @@ -649,13 +649,13 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, len -= size; if (ofs >> cfi->chipshift) { - chipnum ++; + chipnum ++; ofs = 0; if (chipnum == cfi->numchips) return 0; } } - + return 0; } @@ -765,7 +765,7 @@ retry: status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* Urgh. Chip not yet ready to talk to us. */ if (time_after(jiffies, timeo)) { spin_unlock_bh(chip->mutex); @@ -798,7 +798,7 @@ retry: map_write(map, CMD(0x20), adr); map_write(map, CMD(0xD0), adr); chip->state = FL_ERASING; - + spin_unlock_bh(chip->mutex); msleep(1000); spin_lock_bh(chip->mutex); @@ -823,7 +823,7 @@ retry: status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -833,13 +833,13 @@ retry: spin_unlock_bh(chip->mutex); return -EIO; } - + /* Latency issues. Drop the lock, wait a while and retry */ spin_unlock_bh(chip->mutex); cfi_udelay(1); spin_lock_bh(chip->mutex); } - + DISABLE_VPP(map); ret = 0; @@ -864,7 +864,7 @@ retry: /* Reset the error bits */ map_write(map, CMD(0x50), adr); map_write(map, CMD(0x70), adr); - + if ((chipstatus & 0x30) == 0x30) { printk(KERN_NOTICE "Chip reports improper command sequence: status 0x%x\n", chipstatus); ret = -EIO; @@ -913,17 +913,17 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) i = 0; - /* Skip all erase regions which are ended before the start of + /* Skip all erase regions which are ended before the start of the requested erase. Actually, to save on the calculations, we skip to the first erase region which starts after the start of the requested erase, and then go back one. */ - + while (i < mtd->numeraseregions && instr->addr >= regions[i].offset) i++; i--; - /* OK, now i is pointing at the erase region in which this + /* OK, now i is pointing at the erase region in which this erase request starts. Check the start of the requested erase range is aligned with the erase size which is in effect here. @@ -946,7 +946,7 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) the address actually falls */ i--; - + if ((instr->addr + instr->len) & (regions[i].erasesize-1)) return -EINVAL; @@ -958,7 +958,7 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) while(len) { ret = do_erase_oneblock(map, &cfi->chips[chipnum], adr); - + if (ret) return ret; @@ -971,15 +971,15 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr) if (adr >> cfi->chipshift) { adr = 0; chipnum++; - + if (chipnum >= cfi->numchips) break; } } - + instr->state = MTD_ERASE_DONE; mtd_erase_callback(instr); - + return 0; } @@ -1005,7 +1005,7 @@ static void cfi_staa_sync (struct mtd_info *mtd) case FL_JEDEC_QUERY: chip->oldstate = chip->state; chip->state = FL_SYNCING; - /* No need to wake_up() on this state change - + /* No need to wake_up() on this state change - * as the whole point is that nobody can do anything * with the chip now anyway. */ @@ -1016,11 +1016,11 @@ static void cfi_staa_sync (struct mtd_info *mtd) default: /* Not an idle state */ add_wait_queue(&chip->wq, &wait); - + spin_unlock_bh(chip->mutex); schedule(); remove_wait_queue(&chip->wq, &wait); - + goto retry; } } @@ -1031,7 +1031,7 @@ static void cfi_staa_sync (struct mtd_info *mtd) chip = &cfi->chips[i]; spin_lock_bh(chip->mutex); - + if (chip->state == FL_SYNCING) { chip->state = chip->oldstate; wake_up(&chip->wq); @@ -1066,9 +1066,9 @@ retry: case FL_STATUS: status = map_read(map, adr); - if (map_word_andequal(map, status, status_OK, status_OK)) + if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* Urgh. Chip not yet ready to talk to us. */ if (time_after(jiffies, timeo)) { spin_unlock_bh(chip->mutex); @@ -1097,7 +1097,7 @@ retry: map_write(map, CMD(0x60), adr); map_write(map, CMD(0x01), adr); chip->state = FL_LOCKING; - + spin_unlock_bh(chip->mutex); msleep(1000); spin_lock_bh(chip->mutex); @@ -1111,7 +1111,7 @@ retry: status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -1121,13 +1121,13 @@ retry: spin_unlock_bh(chip->mutex); return -EIO; } - + /* Latency issues. Drop the lock, wait a while and retry */ spin_unlock_bh(chip->mutex); cfi_udelay(1); spin_lock_bh(chip->mutex); } - + /* Done and happy. */ chip->state = FL_STATUS; DISABLE_VPP(map); @@ -1171,8 +1171,8 @@ static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, size_t len) cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL); printk("after lock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor))); cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL); -#endif - +#endif + if (ret) return ret; @@ -1182,7 +1182,7 @@ static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, size_t len) if (adr >> cfi->chipshift) { adr = 0; chipnum++; - + if (chipnum >= cfi->numchips) break; } @@ -1217,7 +1217,7 @@ retry: status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* Urgh. Chip not yet ready to talk to us. */ if (time_after(jiffies, timeo)) { spin_unlock_bh(chip->mutex); @@ -1246,7 +1246,7 @@ retry: map_write(map, CMD(0x60), adr); map_write(map, CMD(0xD0), adr); chip->state = FL_UNLOCKING; - + spin_unlock_bh(chip->mutex); msleep(1000); spin_lock_bh(chip->mutex); @@ -1260,7 +1260,7 @@ retry: status = map_read(map, adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; - + /* OK Still waiting */ if (time_after(jiffies, timeo)) { map_write(map, CMD(0x70), adr); @@ -1270,13 +1270,13 @@ retry: spin_unlock_bh(chip->mutex); return -EIO; } - + /* Latency issues. Drop the unlock, wait a while and retry */ spin_unlock_bh(chip->mutex); cfi_udelay(1); spin_lock_bh(chip->mutex); } - + /* Done and happy. */ chip->state = FL_STATUS; DISABLE_VPP(map); @@ -1301,7 +1301,7 @@ static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) { unsigned long temp_adr = adr; unsigned long temp_len = len; - + cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL); while (temp_len) { printk("before unlock %x: block status register is %x\n",temp_adr,cfi_read_query(map, temp_adr+(2*ofs_factor))); @@ -1319,7 +1319,7 @@ static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) printk("after unlock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor))); cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL); #endif - + return ret; } @@ -1343,7 +1343,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)