Messages in this thread Patch in this message | | | From | Lee Jones <> | Subject | [PATCH 18/23] mtd: st_spi_fsm: Prepare read/write sequences according to configuration | Date | Fri, 22 Nov 2013 16:22:55 +0000 |
| |
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.
Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/mtd/devices/st_spi_fsm.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index a56fb98..85abf9a 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -225,6 +225,23 @@ 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_fifo(struct stfsm *fsm, uint32_t *buf, const uint32_t size) { -- 1.8.1.2
| |