From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 22 Nov 2013 16:22:55 +0000 Subject: [PATCH 18/23] mtd: st_spi_fsm: Prepare read/write sequences according to configuration In-Reply-To: <1385137380-28968-1-git-send-email-lee.jones@linaro.org> References: <1385137380-28968-1-git-send-email-lee.jones@linaro.org> Message-ID: <1385137380-28968-19-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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