diff options
Diffstat (limited to 'drivers/mtd/devices/m25p80.c')
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index ed827cf894e4..85e35467fba6 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -128,13 +128,10 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len, struct spi_device *spi = flash->spi; struct spi_transfer t[2]; struct spi_message m; - int dummy = nor->read_dummy; - int ret; + unsigned int dummy = nor->read_dummy; - /* Wait till previous write/erase is done. */ - ret = nor->wait_till_ready(nor); - if (ret) - return ret; + /* convert the dummy cycles to the number of bytes */ + dummy /= 8; spi_message_init(&m); memset(t, 0, (sizeof t)); @@ -160,21 +157,10 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len, static int m25p80_erase(struct spi_nor *nor, loff_t offset) { struct m25p *flash = nor->priv; - int ret; dev_dbg(nor->dev, "%dKiB at 0x%08x\n", flash->mtd.erasesize / 1024, (u32)offset); - /* Wait until finished previous write command. */ - ret = nor->wait_till_ready(nor); - if (ret) - return ret; - - /* Send write enable, then erase commands. */ - ret = nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0, 0); - if (ret) - return ret; - /* Set up command buffer. */ flash->command[0] = nor->erase_opcode; m25p_addr2cmd(nor, offset, flash->command); @@ -260,7 +246,6 @@ static int m25p_remove(struct spi_device *spi) return mtd_device_unregister(&flash->mtd); } - /* * XXX This needs to be kept in sync with spi_nor_ids. We can't share * it with spi-nor, because if this is built as a module then modpost @@ -287,7 +272,7 @@ static const struct spi_device_id m25p_ids[] = { {"s25fl512s"}, {"s70fl01gs"}, {"s25sl12800"}, {"s25sl12801"}, {"s25fl129p0"}, {"s25fl129p1"}, {"s25sl004a"}, {"s25sl008a"}, {"s25sl016a"}, {"s25sl032a"}, {"s25sl064a"}, {"s25fl008k"}, - {"s25fl016k"}, {"s25fl064k"}, + {"s25fl016k"}, {"s25fl064k"}, {"s25fl132k"}, {"sst25vf040b"},{"sst25vf080b"},{"sst25vf016b"},{"sst25vf032b"}, {"sst25vf064c"},{"sst25wf512"}, {"sst25wf010"}, {"sst25wf020"}, {"sst25wf040"}, @@ -300,17 +285,16 @@ static const struct spi_device_id m25p_ids[] = { {"m45pe10"}, {"m45pe80"}, {"m45pe16"}, {"m25pe20"}, {"m25pe80"}, {"m25pe16"}, {"m25px16"}, {"m25px32"}, {"m25px32-s0"}, {"m25px32-s1"}, - {"m25px64"}, + {"m25px64"}, {"m25px80"}, {"w25x10"}, {"w25x20"}, {"w25x40"}, {"w25x80"}, {"w25x16"}, {"w25x32"}, {"w25q32"}, {"w25q32dw"}, - {"w25x64"}, {"w25q64"}, {"w25q128"}, {"w25q80"}, - {"w25q80bl"}, {"w25q128"}, {"w25q256"}, {"cat25c11"}, + {"w25x64"}, {"w25q64"}, {"w25q80"}, {"w25q80bl"}, + {"w25q128"}, {"w25q256"}, {"cat25c11"}, {"cat25c03"}, {"cat25c09"}, {"cat25c17"}, {"cat25128"}, { }, }; MODULE_DEVICE_TABLE(spi, m25p_ids); - static struct spi_driver m25p80_driver = { .driver = { .name = "m25p80", |