linux-kernel - [PATCH RESEND v4 18/37] mtd: st_spi_fsm: Prepare read/write sequences according to configuration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1390473085-24626-19-git-send-email-lee.jones@linaro.org>
Date:	Thu, 23 Jan 2014 10:31:06 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	linus.walleij@...aro.org, dwmw2@...radead.org,
	linux-mtd@...ts.infradead.org, computersforpeace@...il.com,
	Angus.Clark@...com, DCG_UPD_stlinux_kernel@...t.st.com,
	olivier.clergeaud@...com, Lee Jones <lee.jones@...aro.org>
Subject: [PATCH RESEND v4 18/37] mtd: st_spi_fsm: Prepare read/write sequences according to configuration

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@...aro.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 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;
-- 
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/