[PATCH RESEND v4 18/37] mtd: st_spi_fsm: Prepare read/write sequences according to configuration
From: Lee Jones <hidden>
Date: 2014-01-23 10:39:15
Also in:
lkml
Subsystem:
memory technology devices (mtd), the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
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 <redacted> --- 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 02718ae..fc23354 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c@@ -649,6 +649,23 @@ 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;
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1.8.3.2