linux-kernel - [PATCH 15/16] soundwire: cadence: commit changes in the exit

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Message-Id: <20200311184128.4212-16-pierre-louis.bossart@linux.intel.com>
Date:   Wed, 11 Mar 2020 13:41:27 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Hui Wang <hui.wang@...onical.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>
Subject: [PATCH 15/16] soundwire: cadence: commit changes in the exit_reset() sequence

Follow recommended flows, the BUS_RESET must be programmed before the
UPDATE_CONFIG.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 drivers/soundwire/cadence_master.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index acafa6222171..112f4ebcf1be 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -1074,7 +1074,6 @@ static void cdns_init_clock_ctrl(struct sdw_cdns *cdns)
 int sdw_cdns_init(struct sdw_cdns *cdns)
 {
 	u32 val;
-	int ret;
 
 	cdns_init_clock_ctrl(cdns);
 
@@ -1113,8 +1112,8 @@ int sdw_cdns_init(struct sdw_cdns *cdns)
 
 	cdns_writel(cdns, CDNS_MCP_CONFIG, val);
 
-	/* commit changes */
-	return cdns_config_update(cdns);
+	/* changes will be committed later */
+	return 0;
 }
 EXPORT_SYMBOL(sdw_cdns_init);
 
-- 
2.20.1