linux-kernel - [PATCH v2 3/5] soundwire: intel: add helper for initialization

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Date:   Mon, 16 Sep 2019 14:09:49 -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>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>
Subject: [PATCH v2 3/5] soundwire: intel: add helper for initialization

Move code to helper for reuse in power management routines

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 drivers/soundwire/intel.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 57e599919479..cdb3243e8823 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -994,6 +994,15 @@ static struct sdw_master_ops sdw_intel_ops = {
 	.post_bank_switch = intel_post_bank_switch,
 };
 
+static int intel_init(struct sdw_intel *sdw)
+{
+	/* Initialize shim and controller */
+	intel_link_power_up(sdw);
+	intel_shim_init(sdw);
+
+	return sdw_cdns_init(&sdw->cdns);
+}
+
 /*
  * probe and init
  */
@@ -1036,11 +1045,8 @@ static int intel_probe(struct platform_device *pdev)
 		return 0;
 	}
 
-	/* Initialize shim and controller */
-	intel_link_power_up(sdw);
-	intel_shim_init(sdw);
-
-	ret = sdw_cdns_init(&sdw->cdns);
+	/* Initialize shim, controller and Cadence IP */
+	ret = intel_init(sdw);
 	if (ret)
 		goto err_init;
 
-- 
2.20.1