diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2014-08-06 18:16:58 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-11-05 02:08:20 -0800 |
| commit | 6af91949ab7462d0917f436820c263ae9a89322c (patch) | |
| tree | 2ab56ef66ad4ee6c997f3ac8fb1ca51160231cc3 | |
| parent | dfa9c0cba4ea20e766bbb4f89152b05d00ab9ab3 (diff) | |
mtd: m25p80: drop wait-till-ready checks
spi-nor.c should be taking care of these now.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 11 | ||||
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 6 |
2 files changed, 6 insertions, 11 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 5d4482512e36..35e7e9896b17 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -129,16 +129,10 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len, struct spi_transfer t[2]; struct spi_message m; unsigned int dummy = nor->read_dummy; - int ret; /* convert the dummy cycles to the number of bytes */ dummy /= 8; - /* Wait till previous write/erase is done. */ - ret = nor->wait_till_ready(nor); - if (ret) - return ret; - spi_message_init(&m); memset(t, 0, (sizeof t)); @@ -168,11 +162,6 @@ static int m25p80_erase(struct spi_nor *nor, loff_t offset) 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) diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 2f27713b3ae1..d691025d9b00 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -116,6 +116,10 @@ enum spi_nor_ops { SPI_NOR_OPS_UNLOCK, }; +enum spi_nor_option_flags { + SNOR_F_USE_FSR = BIT(0), +}; + /** * struct spi_nor - Structure for defining a the SPI NOR layer * @mtd: point to a mtd_info structure @@ -129,6 +133,7 @@ enum spi_nor_ops { * @program_opcode: the program opcode * @flash_read: the mode of the read * @sst_write_second: used by the SST write operation + * @flags: flag options for the current SPI-NOR (SNOR_F_*) * @cfg: used by the read_xfer/write_xfer * @cmd_buf: used by the write_reg * @prepare: [OPTIONAL] do some preparations for the @@ -158,6 +163,7 @@ struct spi_nor { u8 program_opcode; enum read_mode flash_read; bool sst_write_second; + u32 flags; struct spi_nor_xfer_cfg cfg; u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE]; |