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path: root/drivers/mtd/devices/sst25l.c
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Diffstat (limited to 'drivers/mtd/devices/sst25l.c')
-rw-r--r--drivers/mtd/devices/sst25l.c46
1 files changed, 8 insertions, 38 deletions
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 5fc198350b94..ab8a2f4c8d60 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -175,9 +175,6 @@ static int sst25l_erase(struct mtd_info *mtd, struct erase_info *instr)
int err;
/* Sanity checks */
- if (instr->addr + instr->len > flash->mtd.size)
- return -EINVAL;
-
if ((uint32_t)instr->len % mtd->erasesize)
return -EINVAL;
@@ -223,16 +220,6 @@ static int sst25l_read(struct mtd_info *mtd, loff_t from, size_t len,
unsigned char command[4];
int ret;
- /* Sanity checking */
- if (len == 0)
- return 0;
-
- if (from + len > flash->mtd.size)
- return -EINVAL;
-
- if (retlen)
- *retlen = 0;
-
spi_message_init(&message);
memset(&transfer, 0, sizeof(transfer));
@@ -274,13 +261,6 @@ static int sst25l_write(struct mtd_info *mtd, loff_t to, size_t len,
int i, j, ret, bytes, copied = 0;
unsigned char command[5];
- /* Sanity checks */
- if (!len)
- return 0;
-
- if (to + len > flash->mtd.size)
- return -EINVAL;
-
if ((uint32_t)to % mtd->writesize)
return -EINVAL;
@@ -402,10 +382,11 @@ static int __devinit sst25l_probe(struct spi_device *spi)
flash->mtd.flags = MTD_CAP_NORFLASH;
flash->mtd.erasesize = flash_info->erase_size;
flash->mtd.writesize = flash_info->page_size;
+ flash->mtd.writebufsize = flash_info->page_size;
flash->mtd.size = flash_info->page_size * flash_info->nr_pages;
- flash->mtd.erase = sst25l_erase;
- flash->mtd.read = sst25l_read;
- flash->mtd.write = sst25l_write;
+ flash->mtd._erase = sst25l_erase;
+ flash->mtd._read = sst25l_read;
+ flash->mtd._write = sst25l_write;
dev_info(&spi->dev, "%s (%lld KiB)\n", flash_info->name,
(long long)flash->mtd.size >> 10);
@@ -418,9 +399,9 @@ static int __devinit sst25l_probe(struct spi_device *spi)
flash->mtd.numeraseregions);
- ret = mtd_device_parse_register(&flash->mtd, NULL, 0,
- data ? data->parts : NULL,
- data ? data->nr_parts : 0);
+ ret = mtd_device_parse_register(&flash->mtd, NULL, NULL,
+ data ? data->parts : NULL,
+ data ? data->nr_parts : 0);
if (ret) {
kfree(flash);
dev_set_drvdata(&spi->dev, NULL);
@@ -450,18 +431,7 @@ static struct spi_driver sst25l_driver = {
.remove = __devexit_p(sst25l_remove),
};
-static int __init sst25l_init(void)
-{
- return spi_register_driver(&sst25l_driver);
-}
-
-static void __exit sst25l_exit(void)
-{
- spi_unregister_driver(&sst25l_driver);
-}
-
-module_init(sst25l_init);
-module_exit(sst25l_exit);
+module_spi_driver(sst25l_driver);
MODULE_DESCRIPTION("MTD SPI driver for SST25L Flash chips");
MODULE_AUTHOR("Andre Renaud <andre@bluewatersys.com>, "