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From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org,
	vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com,
	srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com,
	Bard liao <yung-chuan.liao@linux.intel.com>,
	Rander Wang <rander.wang@linux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
	Hui Wang <hui.wang@canonical.com>,
	Rander Wang <rander.wang@intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Sanyog Kale <sanyog.r.kale@intel.com>
Subject: [PATCH v2 02/17] soundwire: cadence: simplifiy cdns_init()
Date: Tue, 17 Mar 2020 11:33:14 -0500	[thread overview]
Message-ID: <20200317163329.25501-3-pierre-louis.bossart@linux.intel.com> (raw)
In-Reply-To: <20200317163329.25501-1-pierre-louis.bossart@linux.intel.com>

From: Rander Wang <rander.wang@intel.com>

There is no need for the clock_stop_exit argument with the latest
implementation

Signed-off-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 drivers/soundwire/cadence_master.c | 12 +-----------
 drivers/soundwire/cadence_master.h |  2 +-
 drivers/soundwire/intel.c          |  2 +-
 3 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index a1a889d1d7dc..941809ea00a8 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -1018,22 +1018,12 @@ static u32 cdns_set_initial_frame_shape(int n_rows, int n_cols)
  * sdw_cdns_init() - Cadence initialization
  * @cdns: Cadence instance
  */
-int sdw_cdns_init(struct sdw_cdns *cdns, bool clock_stop_exit)
+int sdw_cdns_init(struct sdw_cdns *cdns)
 {
 	struct sdw_bus *bus = &cdns->bus;
 	struct sdw_master_prop *prop = &bus->prop;
 	u32 val;
 	int divider;
-	int ret;
-
-	if (clock_stop_exit) {
-		ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL,
-				     CDNS_MCP_CONTROL_CLK_STOP_CLR);
-		if (ret < 0) {
-			dev_err(cdns->dev, "Couldn't exit from clock stop\n");
-			return ret;
-		}
-	}
 
 	/* Set clock divider */
 	divider	= (prop->mclk_freq / prop->max_clk_freq) - 1;
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h
index 2de1b2493ffc..44e802bba702 100644
--- a/drivers/soundwire/cadence_master.h
+++ b/drivers/soundwire/cadence_master.h
@@ -138,7 +138,7 @@ extern struct sdw_master_ops sdw_cdns_master_ops;
 irqreturn_t sdw_cdns_irq(int irq, void *dev_id);
 irqreturn_t sdw_cdns_thread(int irq, void *dev_id);
 
-int sdw_cdns_init(struct sdw_cdns *cdns, bool clock_stop_exit);
+int sdw_cdns_init(struct sdw_cdns *cdns);
 int sdw_cdns_pdi_init(struct sdw_cdns *cdns,
 		      struct sdw_cdns_stream_config config);
 int sdw_cdns_exit_reset(struct sdw_cdns *cdns);
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index a327669c757b..3c83e76c6bf9 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1077,7 +1077,7 @@ static int intel_init(struct sdw_intel *sdw)
 	intel_link_power_up(sdw);
 	intel_shim_init(sdw);
 
-	return sdw_cdns_init(&sdw->cdns, false);
+	return sdw_cdns_init(&sdw->cdns);
 }
 
 /*
-- 
2.20.1


  parent reply	other threads:[~2020-03-17 16:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-17 16:33 [PATCH v2 00/17] SoundWire: cadence: add clock stop and fix programming sequences Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 01/17] soundwire: cadence: s/update_config/config_update Pierre-Louis Bossart
2020-03-17 16:33 ` Pierre-Louis Bossart [this message]
2020-03-17 16:33 ` [PATCH v2 03/17] soundwire: cadence: add interface to check clock status Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 04/17] soundwire: cadence: handle error cases with CONFIG_UPDATE Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 05/17] soundwire: cadence: add clock_stop/restart routines Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 06/17] soundwire: cadence: fix a io timeout issue in S3 test Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 07/17] soundwire: cadence: mask Slave interrupt before stopping clock Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 08/17] soundwire: cadence: merge routines to clear/set bits Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 09/17] soundwire: cadence: move clock/SSP related inits to dedicated function Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 10/17] soundwire: cadence: make SSP interval programmable Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 11/17] soundwire: cadence: reorder MCP_CONFIG settings Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 12/17] soundwire: cadence: enable NORMAL operation in cdns_init() Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 13/17] soundwire: cadence: remove PREQ_DELAY assignment Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 14/17] soundwire: cadence: remove automatic command retries Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 15/17] soundwire: cadence: commit changes in the exit_reset() sequence Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 16/17] soundwire: cadence: multi-link support Pierre-Louis Bossart
2020-03-17 16:33 ` [PATCH v2 17/17] soundwire: cadence: clear FIFO to avoid pop noise issue on playback start Pierre-Louis Bossart
2020-03-19  7:13 ` [PATCH v2 00/17] SoundWire: cadence: add clock stop and fix programming sequences Vinod Koul

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