diff options
Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r-- | drivers/mtd/devices/bcm47xxsflash.c | 4 | ||||
-rw-r--r-- | drivers/mtd/devices/block2mtd.c | 4 | ||||
-rw-r--r-- | drivers/mtd/devices/docg3.c | 2 | ||||
-rw-r--r-- | drivers/mtd/devices/docprobe.c | 2 | ||||
-rw-r--r-- | drivers/mtd/devices/m25p80.c | 48 | ||||
-rw-r--r-- | drivers/mtd/devices/mtd_dataflash.c | 20 | ||||
-rw-r--r-- | drivers/mtd/devices/spear_smi.c | 27 | ||||
-rw-r--r-- | drivers/mtd/devices/sst25l.c | 10 |
8 files changed, 58 insertions, 59 deletions
diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c index 2dc5a6f3fd57..4714584aa993 100644 --- a/drivers/mtd/devices/bcm47xxsflash.c +++ b/drivers/mtd/devices/bcm47xxsflash.c @@ -66,7 +66,7 @@ out: return err; } -static int __devexit bcm47xxsflash_remove(struct platform_device *pdev) +static int bcm47xxsflash_remove(struct platform_device *pdev) { struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev); @@ -77,7 +77,7 @@ static int __devexit bcm47xxsflash_remove(struct platform_device *pdev) } static struct platform_driver bcma_sflash_driver = { - .remove = __devexit_p(bcm47xxsflash_remove), + .remove = bcm47xxsflash_remove, .driver = { .name = "bcma_sflash", .owner = THIS_MODULE, diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index 681e2ee0f2d6..e081bfeaaf7d 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -62,6 +62,7 @@ static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len) memset(page_address(page), 0xff, PAGE_SIZE); set_page_dirty(page); unlock_page(page); + balance_dirty_pages_ratelimited(mapping); break; } @@ -152,6 +153,7 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf, memcpy(page_address(page) + offset, buf, cpylen); set_page_dirty(page); unlock_page(page); + balance_dirty_pages_ratelimited(mapping); } page_cache_release(page); @@ -433,7 +435,7 @@ static int __init block2mtd_init(void) } -static void __devexit block2mtd_exit(void) +static void block2mtd_exit(void) { struct list_head *pos, *next; diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index d34d83b8f9c2..8510ccb9c6f0 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1440,7 +1440,7 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, oobdelta = mtd->ecclayout->oobavail; break; default: - oobdelta = 0; + return -EINVAL; } if ((len % DOC_LAYOUT_PAGE_SIZE) || (ooblen % oobdelta) || (ofs % DOC_LAYOUT_PAGE_SIZE)) diff --git a/drivers/mtd/devices/docprobe.c b/drivers/mtd/devices/docprobe.c index 706b847b46b3..88b3fd3e18a7 100644 --- a/drivers/mtd/devices/docprobe.c +++ b/drivers/mtd/devices/docprobe.c @@ -70,8 +70,6 @@ static unsigned long __initdata doc_locations[] = { 0xe0000, 0xe2000, 0xe4000, 0xe6000, 0xe8000, 0xea000, 0xec000, 0xee000, #endif /* CONFIG_MTD_DOCPROBE_HIGH */ -#else -#warning Unknown architecture for DiskOnChip. No default probe locations defined #endif 0xffffffff }; diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 03838bab1f59..4eeeb2d7f6ea 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -73,14 +73,6 @@ #define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ #define MAX_CMD_SIZE 5 -#ifdef CONFIG_M25PXX_USE_FAST_READ -#define OPCODE_READ OPCODE_FAST_READ -#define FAST_READ_DUMMY_BYTE 1 -#else -#define OPCODE_READ OPCODE_NORM_READ -#define FAST_READ_DUMMY_BYTE 0 -#endif - #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16) /****************************************************************************/ @@ -93,6 +85,7 @@ struct m25p { u16 addr_width; u8 erase_opcode; u8 *command; + bool fast_read; }; static inline struct m25p *mtd_to_m25p(struct mtd_info *mtd) @@ -168,6 +161,7 @@ static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable) { switch (JEDEC_MFR(jedec_id)) { case CFI_MFR_MACRONIX: + case 0xEF /* winbond */: flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B; return spi_write(flash->spi, flash->command, 1); default: @@ -342,6 +336,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, struct m25p *flash = mtd_to_m25p(mtd); struct spi_transfer t[2]; struct spi_message m; + uint8_t opcode; pr_debug("%s: %s from 0x%08x, len %zd\n", dev_name(&flash->spi->dev), __func__, (u32)from, len); @@ -354,7 +349,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, * Should add 1 byte DUMMY_BYTE. */ t[0].tx_buf = flash->command; - t[0].len = m25p_cmdsz(flash) + FAST_READ_DUMMY_BYTE; + t[0].len = m25p_cmdsz(flash) + (flash->fast_read ? 1 : 0); spi_message_add_tail(&t[0], &m); t[1].rx_buf = buf; @@ -376,12 +371,14 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, */ /* Set up the write data buffer. */ - flash->command[0] = OPCODE_READ; + opcode = flash->fast_read ? OPCODE_FAST_READ : OPCODE_NORM_READ; + flash->command[0] = opcode; m25p_addr2cmd(flash, from, flash->command); spi_sync(flash->spi, &m); - *retlen = m.actual_length - m25p_cmdsz(flash) - FAST_READ_DUMMY_BYTE; + *retlen = m.actual_length - m25p_cmdsz(flash) - + (flash->fast_read ? 1 : 0); mutex_unlock(&flash->lock); @@ -664,7 +661,8 @@ static const struct spi_device_id m25p_ids[] = { { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, /* Micron */ - { "n25q128", INFO(0x20ba18, 0, 64 * 1024, 256, 0) }, + { "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, 0) }, + { "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, 0) }, { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K) }, /* Spansion -- single (large) sector size only, at least @@ -745,6 +743,8 @@ static const struct spi_device_id m25p_ids[] = { { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K) }, /* Catalyst / On Semiconductor -- non-JEDEC */ { "cat25c11", CAT25_INFO( 16, 8, 16, 1) }, @@ -756,7 +756,7 @@ static const struct spi_device_id m25p_ids[] = { }; MODULE_DEVICE_TABLE(spi, m25p_ids); -static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) +static const struct spi_device_id *jedec_probe(struct spi_device *spi) { int tmp; u8 code = OPCODE_RDID; @@ -801,7 +801,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) * matches what the READ command supports, at least until this driver * understands FAST_READ (for clocks over 25 MHz). */ -static int __devinit m25p_probe(struct spi_device *spi) +static int m25p_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); struct flash_platform_data *data; @@ -809,9 +809,10 @@ static int __devinit m25p_probe(struct spi_device *spi) struct flash_info *info; unsigned i; struct mtd_part_parser_data ppdata; + struct device_node __maybe_unused *np = spi->dev.of_node; #ifdef CONFIG_MTD_OF_PARTS - if (!of_device_is_available(spi->dev.of_node)) + if (!of_device_is_available(np)) return -ENODEV; #endif @@ -863,7 +864,8 @@ static int __devinit m25p_probe(struct spi_device *spi) flash = kzalloc(sizeof *flash, GFP_KERNEL); if (!flash) return -ENOMEM; - flash->command = kmalloc(MAX_CMD_SIZE + FAST_READ_DUMMY_BYTE, GFP_KERNEL); + flash->command = kmalloc(MAX_CMD_SIZE + (flash->fast_read ? 1 : 0), + GFP_KERNEL); if (!flash->command) { kfree(flash); return -ENOMEM; @@ -920,6 +922,16 @@ static int __devinit m25p_probe(struct spi_device *spi) flash->page_size = info->page_size; flash->mtd.writebufsize = flash->page_size; + flash->fast_read = false; +#ifdef CONFIG_OF + if (np && of_property_read_bool(np, "m25p,fast-read")) + flash->fast_read = true; +#endif + +#ifdef CONFIG_M25PXX_USE_FAST_READ + flash->fast_read = true; +#endif + if (info->addr_width) flash->addr_width = info->addr_width; else { @@ -961,7 +973,7 @@ static int __devinit m25p_probe(struct spi_device *spi) } -static int __devexit m25p_remove(struct spi_device *spi) +static int m25p_remove(struct spi_device *spi) { struct m25p *flash = dev_get_drvdata(&spi->dev); int status; @@ -983,7 +995,7 @@ static struct spi_driver m25p80_driver = { }, .id_table = m25p_ids, .probe = m25p_probe, - .remove = __devexit_p(m25p_remove), + .remove = m25p_remove, /* REVISIT: many of these chips have deep power-down modes, which * should clearly be entered on suspend() to minimize power use. diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 928fb0e6d73a..945c9f762349 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -618,9 +618,8 @@ static char *otp_setup(struct mtd_info *device, char revision) /* * Register DataFlash device with MTD subsystem. */ -static int __devinit -add_dataflash_otp(struct spi_device *spi, char *name, - int nr_pages, int pagesize, int pageoffset, char revision) +static int add_dataflash_otp(struct spi_device *spi, char *name, int nr_pages, + int pagesize, int pageoffset, char revision) { struct dataflash *priv; struct mtd_info *device; @@ -679,9 +678,8 @@ add_dataflash_otp(struct spi_device *spi, char *name, return err; } -static inline int __devinit -add_dataflash(struct spi_device *spi, char *name, - int nr_pages, int pagesize, int pageoffset) +static inline int add_dataflash(struct spi_device *spi, char *name, + int nr_pages, int pagesize, int pageoffset) { return add_dataflash_otp(spi, name, nr_pages, pagesize, pageoffset, 0); @@ -705,7 +703,7 @@ struct flash_info { #define IS_POW2PS 0x0001 /* uses 2^N byte pages */ }; -static struct flash_info __devinitdata dataflash_data [] = { +static struct flash_info dataflash_data[] = { /* * NOTE: chips with SUP_POW2PS (rev D and up) need two entries, @@ -740,7 +738,7 @@ static struct flash_info __devinitdata dataflash_data [] = { { "at45db642d", 0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS}, }; -static struct flash_info *__devinit jedec_probe(struct spi_device *spi) +static struct flash_info *jedec_probe(struct spi_device *spi) { int tmp; uint8_t code = OP_READ_ID; @@ -823,7 +821,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) * AT45DB0642 64Mbit (8M) xx111xxx (0x3c) 8192 1056 11 * AT45DB1282 128Mbit (16M) xx0100xx (0x10) 16384 1056 11 */ -static int __devinit dataflash_probe(struct spi_device *spi) +static int dataflash_probe(struct spi_device *spi) { int status; struct flash_info *info; @@ -897,7 +895,7 @@ static int __devinit dataflash_probe(struct spi_device *spi) return status; } -static int __devexit dataflash_remove(struct spi_device *spi) +static int dataflash_remove(struct spi_device *spi) { struct dataflash *flash = dev_get_drvdata(&spi->dev); int status; @@ -920,7 +918,7 @@ static struct spi_driver dataflash_driver = { }, .probe = dataflash_probe, - .remove = __devexit_p(dataflash_remove), + .remove = dataflash_remove, /* FIXME: investigate suspend and resume... */ }; diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c index dcc3c9511530..2aabd96bf0ff 100644 --- a/drivers/mtd/devices/spear_smi.c +++ b/drivers/mtd/devices/spear_smi.c @@ -756,8 +756,8 @@ err_probe: #ifdef CONFIG_OF -static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, - struct device_node *np) +static int spear_smi_probe_config_dt(struct platform_device *pdev, + struct device_node *np) { struct spear_smi_plat_data *pdata = dev_get_platdata(&pdev->dev); struct device_node *pp = NULL; @@ -799,8 +799,8 @@ static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, return 0; } #else -static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, - struct device_node *np) +static int spear_smi_probe_config_dt(struct platform_device *pdev, + struct device_node *np) { return -ENOSYS; } @@ -901,7 +901,7 @@ static int spear_smi_setup_banks(struct platform_device *pdev, * and do proper init for any found one. * Returns 0 on success, non zero otherwise */ -static int __devinit spear_smi_probe(struct platform_device *pdev) +static int spear_smi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct spear_smi_plat_data *pdata = NULL; @@ -1016,7 +1016,7 @@ err: * * free all allocations and delete the partitions. */ -static int __devexit spear_smi_remove(struct platform_device *pdev) +static int spear_smi_remove(struct platform_device *pdev) { struct spear_smi *dev; struct spear_snor_flash *flash; @@ -1092,20 +1092,9 @@ static struct platform_driver spear_smi_driver = { #endif }, .probe = spear_smi_probe, - .remove = __devexit_p(spear_smi_remove), + .remove = spear_smi_remove, }; - -static int spear_smi_init(void) -{ - return platform_driver_register(&spear_smi_driver); -} -module_init(spear_smi_init); - -static void spear_smi_exit(void) -{ - platform_driver_unregister(&spear_smi_driver); -} -module_exit(spear_smi_exit); +module_platform_driver(spear_smi_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ashish Priyadarshi, Shiraz Hashim <shiraz.hashim@st.com>"); diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c index ab8a2f4c8d60..8091b0163694 100644 --- a/drivers/mtd/devices/sst25l.c +++ b/drivers/mtd/devices/sst25l.c @@ -64,7 +64,7 @@ struct flash_info { #define to_sst25l_flash(x) container_of(x, struct sst25l_flash, mtd) -static struct flash_info __devinitdata sst25l_flash_info[] = { +static struct flash_info sst25l_flash_info[] = { {"sst25lf020a", 0xbf43, 256, 1024, 4096}, {"sst25lf040a", 0xbf44, 256, 2048, 4096}, }; @@ -313,7 +313,7 @@ out: return ret; } -static struct flash_info *__devinit sst25l_match_device(struct spi_device *spi) +static struct flash_info *sst25l_match_device(struct spi_device *spi) { struct flash_info *flash_info = NULL; struct spi_message m; @@ -353,7 +353,7 @@ static struct flash_info *__devinit sst25l_match_device(struct spi_device *spi) return flash_info; } -static int __devinit sst25l_probe(struct spi_device *spi) +static int sst25l_probe(struct spi_device *spi) { struct flash_info *flash_info; struct sst25l_flash *flash; @@ -411,7 +411,7 @@ static int __devinit sst25l_probe(struct spi_device *spi) return 0; } -static int __devexit sst25l_remove(struct spi_device *spi) +static int sst25l_remove(struct spi_device *spi) { struct sst25l_flash *flash = dev_get_drvdata(&spi->dev); int ret; @@ -428,7 +428,7 @@ static struct spi_driver sst25l_driver = { .owner = THIS_MODULE, }, .probe = sst25l_probe, - .remove = __devexit_p(sst25l_remove), + .remove = sst25l_remove, }; module_spi_driver(sst25l_driver); 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