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-rw-r--r--drivers/mtd/devices/bcm47xxsflash.c4
-rw-r--r--drivers/mtd/devices/block2mtd.c4
-rw-r--r--drivers/mtd/devices/docg3.c2
-rw-r--r--drivers/mtd/devices/docprobe.c2
-rw-r--r--drivers/mtd/devices/m25p80.c48
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c20
-rw-r--r--drivers/mtd/devices/spear_smi.c27
-rw-r--r--drivers/mtd/devices/sst25l.c10
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);