linux-kernel - [PATCH v3 5/6] ASoC: tegra: ahub: Use clk

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Message-Id: <20210120003154.26749-6-digetx@gmail.com>
Date:   Wed, 20 Jan 2021 03:31:53 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sameer Pujar <spujar@...dia.com>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Takashi Iwai <tiwai@...e.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Jaroslav Kysela <perex@...ex.cz>
Cc:     alsa-devel@...a-project.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/6] ASoC: tegra: ahub: Use clk_bulk helpers

Use clk_bulk helpers to make code cleaner.

Tested-by: Peter Geis <pgwipeout@...il.com> # Ouya T30 audio works
Tested-by: Matt Merhar <mattmerhar@...tonmail.com> # Ouya T30 boot-tested
Tested-by: Dmitry Osipenko <digetx@...il.com> # Nexus7 T30 audio works
Tested-by: Nicolas Chauvet <kwizart@...il.com> # TK1 boot-tested
Acked-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 sound/soc/tegra/tegra30_ahub.c | 30 +++++++-----------------------
 sound/soc/tegra/tegra30_ahub.h |  4 ++--
 2 files changed, 9 insertions(+), 25 deletions(-)

diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c
index 8c32333cc08c..12ca8e3ca4f6 100644
--- a/sound/soc/tegra/tegra30_ahub.c
+++ b/sound/soc/tegra/tegra30_ahub.c
@@ -45,8 +45,7 @@ static int tegra30_ahub_runtime_suspend(struct device *dev)
 	regcache_cache_only(ahub->regmap_apbif, true);
 	regcache_cache_only(ahub->regmap_ahub, true);
 
-	clk_disable_unprepare(ahub->clk_apbif);
-	clk_disable_unprepare(ahub->clk_d_audio);
+	clk_bulk_disable_unprepare(ahub->nclocks, ahub->clocks);
 
 	return 0;
 }
@@ -66,17 +65,9 @@ static int tegra30_ahub_runtime_resume(struct device *dev)
 {
 	int ret;
 
-	ret = clk_prepare_enable(ahub->clk_d_audio);
-	if (ret) {
-		dev_err(dev, "clk_enable d_audio failed: %d\n", ret);
+	ret = clk_bulk_prepare_enable(ahub->nclocks, ahub->clocks);
+	if (ret)
 		return ret;
-	}
-	ret = clk_prepare_enable(ahub->clk_apbif);
-	if (ret) {
-		dev_err(dev, "clk_enable apbif failed: %d\n", ret);
-		clk_disable(ahub->clk_d_audio);
-		return ret;
-	}
 
 	regcache_cache_only(ahub->regmap_apbif, false);
 	regcache_cache_only(ahub->regmap_ahub, false);
@@ -559,19 +550,12 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
 	ahub->soc_data = soc_data;
 	ahub->dev = &pdev->dev;
 
-	ahub->clk_d_audio = devm_clk_get(&pdev->dev, "d_audio");
-	if (IS_ERR(ahub->clk_d_audio)) {
-		dev_err(&pdev->dev, "Can't retrieve ahub d_audio clock\n");
-		ret = PTR_ERR(ahub->clk_d_audio);
-		return ret;
-	}
+	ahub->clocks[ahub->nclocks++].id = "apbif";
+	ahub->clocks[ahub->nclocks++].id = "d_audio";
 
-	ahub->clk_apbif = devm_clk_get(&pdev->dev, "apbif");
-	if (IS_ERR(ahub->clk_apbif)) {
-		dev_err(&pdev->dev, "Can't retrieve ahub apbif clock\n");
-		ret = PTR_ERR(ahub->clk_apbif);
+	ret = devm_clk_bulk_get(&pdev->dev, ahub->nclocks, ahub->clocks);
+	if (ret)
 		return ret;
-	}
 
 	res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	regs_apbif = devm_ioremap_resource(&pdev->dev, res0);
diff --git a/sound/soc/tegra/tegra30_ahub.h b/sound/soc/tegra/tegra30_ahub.h
index 6889c5f23d02..01480d7dc940 100644
--- a/sound/soc/tegra/tegra30_ahub.h
+++ b/sound/soc/tegra/tegra30_ahub.h
@@ -511,8 +511,8 @@ struct tegra30_ahub_soc_data {
 struct tegra30_ahub {
 	const struct tegra30_ahub_soc_data *soc_data;
 	struct device *dev;
-	struct clk *clk_d_audio;
-	struct clk *clk_apbif;
+	struct clk_bulk_data clocks[2];
+	unsigned int nclocks;
 	resource_size_t apbif_addr;
 	struct regmap *regmap_apbif;
 	struct regmap *regmap_ahub;
-- 
2.29.2