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mtd: st_spi_fsm: Prepare read/write sequences according to configuration

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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>
This commit is contained in:
Lee Jones 2014-03-20 09:20:49 +00:00 committed by Brian Norris
parent 6bd2960080
commit 88cccb8911
1 changed files with 17 additions and 0 deletions
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17
drivers/mtd/devices/st_spi_fsm.c
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@ -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;