From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wg0-f50.google.com ([74.125.82.50]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WQZB0-0007Yc-4y for linux-mtd@lists.infradead.org; Thu, 20 Mar 2014 09:22:15 +0000 Received: by mail-wg0-f50.google.com with SMTP id x13so378731wgg.9 for ; Thu, 20 Mar 2014 02:21:54 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, computersforpeace@gmail.com Subject: [PATCH v6 17/36] mtd: st_spi_fsm: Prepare read/write sequences according to configuration Date: Thu, 20 Mar 2014 09:20:49 +0000 Message-Id: <1395307268-12721-18-git-send-email-lee.jones@linaro.org> In-Reply-To: <1395307268-12721-1-git-send-email-lee.jones@linaro.org> References: <1395307268-12721-1-git-send-email-lee.jones@linaro.org> Cc: dwmw2@infradead.org, Lee Jones , linux-mtd@lists.infradead.org, Angus.Clark@st.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 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 9d1edf0..3e13d57 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; -- 1.8.3.2