diff options
| author |   Lee Jones <lee.jones@linaro.org> | 2014-03-20 09:20:43 +0000 |
|---|---|---|
| committer |   Brian Norris <computersforpeace@gmail.com> | 2014-03-20 04:17:16 -0700 |
| commit | 3b5d1981933b25973b02684dccb17d4282fd4d6d (patch) | |
| tree | bf05d43445067666b3647f7ee04efc0430425c41 /drivers/mtd/devices/st_spi_fsm.c | |
| parent | mtd: st_spi_fsm: Search for preferred FSM message sequence configurations (diff) | |
| download | linux-dev-3b5d1981933b25973b02684dccb17d4282fd4d6d.tar.xz linux-dev-3b5d1981933b25973b02684dccb17d4282fd4d6d.zip | |
mtd: st_spi_fsm: Use device size to determine address width
Take some known parameters, namely size and number of sectors and use
them to determine weather a device can support 32bit addressing or not.
If it can, set the associated flash capability flag for latter use.
Acked-by Angus Clark <angus.clark@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/devices/st_spi_fsm.c')
| -rw-r--r-- | drivers/mtd/devices/st_spi_fsm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index 2740ae195ef5..5a1b470ce908 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -671,6 +671,10 @@ static int stfsm_probe(struct platform_device *pdev) return -ENODEV; fsm->info = info; + /* Use device size to determine address width */ + if (info->sector_size * info->n_sectors > 0x1000000) + info->flags |= FLASH_FLAG_32BIT_ADDR; + fsm->mtd.dev.parent = &pdev->dev; fsm->mtd.type = MTD_NORFLASH; fsm->mtd.writesize = 4; |