From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756039Ab3KVQYO (ORCPT ); Fri, 22 Nov 2013 11:24:14 -0500 Received: from mail-pd0-f174.google.com ([209.85.192.174]:47423 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756020Ab3KVQYM (ORCPT ); Fri, 22 Nov 2013 11:24:12 -0500 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dwmw2@infradead.org, linux-mtd@lists.infradead.org, angus.clark@st.com Cc: linus.walleij@linaro.org, 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 Message-Id: <1385137380-28968-19-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1385137380-28968-1-git-send-email-lee.jones@linaro.org> References: <1385137380-28968-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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