diff options
| author | Lee Jones <lee.jones@linaro.org> | 2014-03-20 13:20:49 +0400 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-03-20 15:17:17 +0400 |
| commit | 88cccb89117dfe258c5d8abb55db47e0a2a7daec (patch) | |
| tree | e24fd0b4ef7f42875d5ed5fb90e0e4688738c08d /drivers/mtd | |
| parent | 6bd2960080bc5842159d89a8d476a9044225788c (diff) | |
| download | linux-88cccb89117dfe258c5d8abb55db47e0a2a7daec.tar.xz | |
mtd: st_spi_fsm: Prepare read/write sequences according to configuration
Firstly we search for our preference read/write configuration based on a
given chip's capabilities. Then we actually set up the message sequence
accordingly.
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')
| -rw-r--r-- | drivers/mtd/devices/st_spi_fsm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index 9d1edf05701a..3e13d579aef8 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -618,6 +618,23 @@ static void stfsm_prepare_rw_seq(struct stfsm *fsm, seq->seq[i++] = STFSM_INST_STOP; } +static int stfsm_search_prepare_rw_seq(struct stfsm *fsm, + struct stfsm_seq *seq, + struct seq_rw_config *cfgs) +{ + struct seq_rw_config *config; + + config = stfsm_search_seq_rw_configs(fsm, cfgs); + if (!config) { + dev_err(fsm->dev, "failed to find suitable config\n"); + return -EINVAL; + } + + stfsm_prepare_rw_seq(fsm, seq, config); + + return 0; +} + static void stfsm_read_jedec(struct stfsm *fsm, uint8_t *const jedec) { const struct stfsm_seq *seq = &stfsm_seq_read_jedec; |