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| author | Poddar, Sourav <sourav.poddar@ti.com> | 2014-04-23 18:57:03 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-06-08 23:12:27 +0530 |
| commit | 1f436a6ddf7eb7f2da1c8df6c13100429baf844a (patch) | |
| tree | a49d3b073d8f2a461962be31dec7108789ae258e /drivers | |
| parent | c1c0dd2644d6bdd64f5d36528d801d14832f6394 (diff) | |
| download | blackbird-obmc-uboot-1f436a6ddf7eb7f2da1c8df6c13100429baf844a.tar.gz blackbird-obmc-uboot-1f436a6ddf7eb7f2da1c8df6c13100429baf844a.zip | |
sf: probe: Fix quad bit set path
Currently, flash quad bit is set in "spi_flash_validate_params" and later
at the end in the same api, we write 0 to status register for few flashes,
thereby overriding the quad bit set. This fix moves the quad bit setting
outside this api in "spi_flash_probe_slave"
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/spi/sf_probe.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 0a46fe38da..36ae5e0a77 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -197,16 +197,6 @@ static struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, /* Go for default supported write cmd */ flash->write_cmd = CMD_PAGE_PROGRAM; - /* Set the quad enable bit - only for quad commands */ - if ((flash->read_cmd == CMD_READ_QUAD_OUTPUT_FAST) || - (flash->read_cmd == CMD_READ_QUAD_IO_FAST) || - (flash->write_cmd == CMD_QUAD_PAGE_PROGRAM)) { - if (spi_flash_set_qeb(flash, idcode[0])) { - debug("SF: Fail to set QEB for %02x\n", idcode[0]); - return NULL; - } - } - /* Read dummy_byte: dummy byte is determined based on the * dummy cycles of a particular command. * Fast commands - dummy_byte = dummy_cycles/8 @@ -327,6 +317,16 @@ static struct spi_flash *spi_flash_probe_slave(struct spi_slave *spi) if (!flash) goto err_read_id; + /* Set the quad enable bit - only for quad commands */ + if ((flash->read_cmd == CMD_READ_QUAD_OUTPUT_FAST) || + (flash->read_cmd == CMD_READ_QUAD_IO_FAST) || + (flash->write_cmd == CMD_QUAD_PAGE_PROGRAM)) { + if (spi_flash_set_qeb(flash, idcode[0])) { + debug("SF: Fail to set QEB for %02x\n", idcode[0]); + return NULL; + } + } + #ifdef CONFIG_OF_CONTROL if (spi_flash_decode_fdt(gd->fdt_blob, flash)) { debug("SF: FDT decode error\n"); |
