diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/devices/blkmtd.c | 8 | ||||
-rw-r--r-- | drivers/mtd/maps/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mtd/maps/pcmciamtd.c | 121 | ||||
-rw-r--r-- | drivers/mtd/onenand/generic.c | 4 | ||||
-rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 53 | ||||
-rw-r--r-- | drivers/mtd/onenand/onenand_bbt.c | 4 |
6 files changed, 85 insertions, 107 deletions
diff --git a/drivers/mtd/devices/blkmtd.c b/drivers/mtd/devices/blkmtd.c index f9db52f..04f864d 100644 --- a/drivers/mtd/devices/blkmtd.c +++ b/drivers/mtd/devices/blkmtd.c @@ -113,7 +113,7 @@ static int bi_write_complete(struct bio *bio, unsigned int bytes_done, int error ClearPageUptodate(page); SetPageError(page); } - ClearPageDirty(page); + clear_page_dirty(page); unlock_page(page); page_cache_release(page); } while (bvec >= bio->bi_io_vec); @@ -289,7 +289,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to, BUG(); } memcpy(page_address(page)+offset, buf, start_len); - SetPageDirty(page); + set_page_dirty(page); SetPageUptodate(page); buf += start_len; thislen = start_len; @@ -336,7 +336,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to, } pagenr++; pagecnt--; - SetPageDirty(page); + set_page_dirty(page); SetPageUptodate(page); pagesc--; thislen += PAGE_SIZE; @@ -357,7 +357,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to, BUG(); } memcpy(page_address(page), buf, end_len); - SetPageDirty(page); + set_page_dirty(page); SetPageUptodate(page); DEBUG(3, "blkmtd: write: writing out partial end\n"); thislen += end_len; diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 452ccd5..b9b77cf 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -62,7 +62,7 @@ config MTD_PHYSMAP_BANKWIDTH config MTD_SUN_UFLASH tristate "Sun Microsystems userflash support" - depends on (SPARC32 || SPARC64) && MTD_CFI + depends on SPARC && MTD_CFI help This provides a 'mapping' driver which supports the way in which user-programmable flash chips are connected on various diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index af24216..f0f8916 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -66,9 +66,6 @@ struct pcmciamtd_dev { }; -static dev_info_t dev_info = "pcmciamtd"; -static dev_link_t *dev_list; - /* Module parameters */ /* 2 = do 16-bit transfers, 1 = do 8-bit transfers */ @@ -691,55 +688,21 @@ static void pcmciamtd_config(dev_link_t *link) } -/* The card status event handler. Mostly, this schedules other - * stuff to run after an event is received. A CARD_REMOVAL event - * also sets some flags to discourage the driver from trying - * to talk to the card any more. - */ +static int pcmciamtd_suspend(struct pcmcia_device *dev) +{ + DEBUG(2, "EVENT_PM_RESUME"); + + /* get_lock(link); */ + + return 0; +} -static int pcmciamtd_event(event_t event, int priority, - event_callback_args_t *args) +static int pcmciamtd_resume(struct pcmcia_device *dev) { - dev_link_t *link = args->client_data; - - DEBUG(1, "event=0x%06x", event); - switch (event) { - case CS_EVENT_CARD_REMOVAL: - DEBUG(2, "EVENT_CARD_REMOVAL"); - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - struct pcmciamtd_dev *dev = link->priv; - if(dev->mtd_info) { - del_mtd_device(dev->mtd_info); - info("mtd%d: Removed", dev->mtd_info->index); - } - pcmciamtd_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - DEBUG(2, "EVENT_CARD_INSERTION"); - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - pcmciamtd_config(link); - break; - case CS_EVENT_PM_SUSPEND: - DEBUG(2, "EVENT_PM_SUSPEND"); - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - DEBUG(2, "EVENT_RESET_PHYSICAL"); - /* get_lock(link); */ - break; - case CS_EVENT_PM_RESUME: - DEBUG(2, "EVENT_PM_RESUME"); - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - DEBUG(2, "EVENT_CARD_RESET"); - /* free_lock(link); */ - break; - default: - DEBUG(2, "Unknown event %d", event); - } + DEBUG(2, "EVENT_PM_SUSPEND"); + + /* free_lock(link); */ + return 0; } @@ -750,23 +713,21 @@ static int pcmciamtd_event(event_t event, int priority, * when the device is released. */ -static void pcmciamtd_detach(dev_link_t *link) +static void pcmciamtd_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); + DEBUG(3, "link=0x%p", link); if(link->state & DEV_CONFIG) { - pcmciamtd_release(link); - } + struct pcmciamtd_dev *dev = link->priv; + if(dev->mtd_info) { + del_mtd_device(dev->mtd_info); + info("mtd%d: Removed", dev->mtd_info->index); + } - if (link->handle) { - int ret; - DEBUG(2, "Deregistering with card services"); - ret = pcmcia_deregister_client(link->handle); - if (ret != CS_SUCCESS) - cs_error(link->handle, DeregisterClient, ret); + pcmciamtd_release(link); } - - link->state |= DEV_STALE_LINK; } @@ -775,16 +736,14 @@ static void pcmciamtd_detach(dev_link_t *link) * with Card Services. */ -static dev_link_t *pcmciamtd_attach(void) +static int pcmciamtd_attach(struct pcmcia_device *p_dev) { struct pcmciamtd_dev *dev; dev_link_t *link; - client_reg_t client_reg; - int ret; /* Create new memory card device */ dev = kmalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) return NULL; + if (!dev) return -ENOMEM; DEBUG(1, "dev=0x%p", dev); memset(dev, 0, sizeof(*dev)); @@ -794,22 +753,14 @@ static dev_link_t *pcmciamtd_attach(void) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY; - link->next = dev_list; - dev_list = link; - - /* Register with Card Services */ - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - DEBUG(2, "Calling RegisterClient"); - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - pcmciamtd_detach(link); - return NULL; - } - DEBUG(2, "link = %p", link); - return link; + link->next = NULL; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + pcmciamtd_config(link); + + return 0; } static struct pcmcia_device_id pcmciamtd_ids[] = { @@ -843,11 +794,12 @@ static struct pcmcia_driver pcmciamtd_driver = { .drv = { .name = "pcmciamtd" }, - .attach = pcmciamtd_attach, - .event = pcmciamtd_event, - .detach = pcmciamtd_detach, + .probe = pcmciamtd_attach, + .remove = pcmciamtd_detach, .owner = THIS_MODULE, .id_table = pcmciamtd_ids, + .suspend = pcmciamtd_suspend, + .resume = pcmciamtd_resume, }; @@ -875,7 +827,6 @@ static void __exit exit_pcmciamtd(void) { DEBUG(1, DRIVER_DESC " unloading"); pcmcia_unregister_driver(&pcmciamtd_driver); - BUG_ON(dev_list != NULL); } module_init(init_pcmciamtd); diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c index 48cce43..45c077d 100644 --- a/drivers/mtd/onenand/generic.c +++ b/drivers/mtd/onenand/generic.c @@ -12,9 +12,9 @@ * This is a device driver for the OneNAND flash for generic boards. */ -#include <linux/device.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/onenand.h> #include <linux/mtd/partitions.h> @@ -39,7 +39,7 @@ static int __devinit generic_onenand_probe(struct device *dev) { struct onenand_info *info; struct platform_device *pdev = to_platform_device(dev); - struct onenand_platform_data *pdata = pdev->dev.platform_data; + struct flash_platform_data *pdata = pdev->dev.platform_data; struct resource *res = pdev->resource; unsigned long size = res->end - res->start + 1; int err; diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index f67d5d6..a53a73f 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -940,7 +940,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, u_char *eccbuf, struct nand_oobinfo *oobsel) { struct onenand_chip *this = mtd->priv; - unsigned char buffer[MAX_ONENAND_PAGESIZE], *pbuf; + unsigned char *pbuf; size_t total_len, len; int i, written = 0; int ret = 0; @@ -975,7 +975,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, /* Loop until all keve's data has been written */ len = 0; while (count) { - pbuf = buffer; + pbuf = this->page_buf; /* * If the given tuple is >= pagesize then * write it out from the iov @@ -995,7 +995,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, int cnt = 0, thislen; while (cnt < mtd->oobblock) { thislen = min_t(int, mtd->oobblock - cnt, vecs->iov_len - len); - memcpy(buffer + cnt, vecs->iov_base + len, thislen); + memcpy(this->page_buf + cnt, vecs->iov_base + len, thislen); cnt += thislen; len += thislen; @@ -1296,6 +1296,12 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) /* Block lock scheme */ for (block = start; block < end; block++) { + /* Set block address */ + value = onenand_block_address(this, block); + this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1); + /* Select DataRAM for DDP */ + value = onenand_bufferram_address(this, block); + this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2); /* Set start block address */ this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS); /* Write unlock command */ @@ -1309,10 +1315,6 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) & ONENAND_CTRL_ONGO) continue; - /* Set block address for read block status */ - value = onenand_block_address(this, block); - this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1); - /* Check lock status */ status = this->read_word(this->base + ONENAND_REG_WP_STATUS); if (!(status & ONENAND_WP_US)) @@ -1346,7 +1348,6 @@ static void onenand_print_device_info(int device) static const struct onenand_manufacturers onenand_manuf_ids[] = { {ONENAND_MFR_SAMSUNG, "Samsung"}, - {ONENAND_MFR_UNKNOWN, "Unknown"} }; /** @@ -1357,17 +1358,22 @@ static const struct onenand_manufacturers onenand_manuf_ids[] = { */ static int onenand_check_maf(int manuf) { + int size = ARRAY_SIZE(onenand_manuf_ids); + char *name; int i; - for (i = 0; onenand_manuf_ids[i].id; i++) { + for (i = 0; i < size; i++) if (manuf == onenand_manuf_ids[i].id) break; - } - printk(KERN_DEBUG "OneNAND Manufacturer: %s (0x%0x)\n", - onenand_manuf_ids[i].name, manuf); + if (i < size) + name = onenand_manuf_ids[i].name; + else + name = "Unknown"; + + printk(KERN_DEBUG "OneNAND Manufacturer: %s (0x%0x)\n", name, manuf); - return (i != ONENAND_MFR_UNKNOWN); + return (i == size); } /** @@ -1513,6 +1519,18 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) this->read_bufferram = onenand_sync_read_bufferram; } + /* Allocate buffers, if necessary */ + if (!this->page_buf) { + size_t len; + len = mtd->oobblock + mtd->oobsize; + this->page_buf = kmalloc(len, GFP_KERNEL); + if (!this->page_buf) { + printk(KERN_ERR "onenand_scan(): Can't allocate page_buf\n"); + return -ENOMEM; + } + this->options |= ONENAND_PAGEBUF_ALLOC; + } + this->state = FL_READY; init_waitqueue_head(&this->wq); spin_lock_init(&this->chip_lock); @@ -1574,12 +1592,21 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) */ void onenand_release(struct mtd_info *mtd) { + struct onenand_chip *this = mtd->priv; + #ifdef CONFIG_MTD_PARTITIONS /* Deregister partitions */ del_mtd_partitions (mtd); #endif /* Deregister the device */ del_mtd_device (mtd); + + /* Free bad block table memory, if allocated */ + if (this->bbm) + kfree(this->bbm); + /* Buffer allocated by onenand_scan */ + if (this->options & ONENAND_PAGEBUF_ALLOC) + kfree(this->page_buf); } EXPORT_SYMBOL_GPL(onenand_scan); diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index f40190f..4510d33 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -118,10 +118,10 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr */ static inline int onenand_memory_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd) { - unsigned char data_buf[MAX_ONENAND_PAGESIZE]; + struct onenand_chip *this = mtd->priv; bd->options &= ~NAND_BBT_SCANEMPTY; - return create_bbt(mtd, data_buf, bd, -1); + return create_bbt(mtd, this->page_buf, bd, -1); } /** |