ASoC: tegra: Use devm_clk_get

This patch introduces the use of managed resource function
devm_clk_get instead of clk_get and removes corresponding calls
to clk_put in the probe and remove functions.

To be compatible with the change various gotos are replaced with
direct returns, and unneeded labels are dropped.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c
index bc94e5d..989b1e8 100644 (file)
--- a/sound/soc/tegra/tegra30_ahub.c
+++ b/sound/soc/tegra/tegra30_ahub.c
@@ -549,54 +549,51 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
                        dev_err(&pdev->dev, "Can't get reset %s\n",
                                configlink_mods[i].rst_name);
                        ret = PTR_ERR(rst);
-                       goto err;
+                       return ret;
                }
 
                ret = reset_control_deassert(rst);
                reset_control_put(rst);
                if (ret)
-                       goto err;
+                       return ret;
        }
 
        ahub = devm_kzalloc(&pdev->dev, sizeof(struct tegra30_ahub),
                            GFP_KERNEL);
        if (!ahub) {
                dev_err(&pdev->dev, "Can't allocate tegra30_ahub\n");
-               ret = -ENOMEM;
-               goto err;
+               return -ENOMEM;
        }
        dev_set_drvdata(&pdev->dev, ahub);
 
        ahub->soc_data = soc_data;
        ahub->dev = &pdev->dev;
 
-       ahub->clk_d_audio = clk_get(&pdev->dev, "d_audio");
+       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);
-               goto err;
+               return ret;
        }
 
-       ahub->clk_apbif = clk_get(&pdev->dev, "apbif");
+       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);
-               goto err_clk_put_d_audio;
+               return ret;
        }
 
        res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!res0) {
                dev_err(&pdev->dev, "No apbif memory resource\n");
-               ret = -ENODEV;
-               goto err_clk_put_apbif;
+               return -ENODEV;
        }
 
        region = devm_request_mem_region(&pdev->dev, res0->start,
                                         resource_size(res0), DRV_NAME);
        if (!region) {
                dev_err(&pdev->dev, "request region apbif failed\n");
-               ret = -EBUSY;
-               goto err_clk_put_apbif;
+               return -EBUSY;
        }
        ahub->apbif_addr = res0->start;
 
@@ -604,8 +601,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
                                  resource_size(res0));
        if (!regs_apbif) {
                dev_err(&pdev->dev, "ioremap apbif failed\n");
-               ret = -ENOMEM;
-               goto err_clk_put_apbif;
+               return -ENOMEM;
        }
 
        ahub->regmap_apbif = devm_regmap_init_mmio(&pdev->dev, regs_apbif,
@@ -613,31 +609,28 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
        if (IS_ERR(ahub->regmap_apbif)) {
                dev_err(&pdev->dev, "apbif regmap init failed\n");
                ret = PTR_ERR(ahub->regmap_apbif);
-               goto err_clk_put_apbif;
+               return ret;
        }
        regcache_cache_only(ahub->regmap_apbif, true);
 
        res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
        if (!res1) {
                dev_err(&pdev->dev, "No ahub memory resource\n");
-               ret = -ENODEV;
-               goto err_clk_put_apbif;
+               return -ENODEV;
        }
 
        region = devm_request_mem_region(&pdev->dev, res1->start,
                                         resource_size(res1), DRV_NAME);
        if (!region) {
                dev_err(&pdev->dev, "request region ahub failed\n");
-               ret = -EBUSY;
-               goto err_clk_put_apbif;
+               return -EBUSY;
        }
 
        regs_ahub = devm_ioremap(&pdev->dev, res1->start,
                                 resource_size(res1));
        if (!regs_ahub) {
                dev_err(&pdev->dev, "ioremap ahub failed\n");
-               ret = -ENOMEM;
-               goto err_clk_put_apbif;
+               return -ENOMEM;
        }
 
        ahub->regmap_ahub = devm_regmap_init_mmio(&pdev->dev, regs_ahub,
@@ -645,7 +638,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
        if (IS_ERR(ahub->regmap_ahub)) {
                dev_err(&pdev->dev, "ahub regmap init failed\n");
                ret = PTR_ERR(ahub->regmap_ahub);
-               goto err_clk_put_apbif;
+               return ret;
        }
        regcache_cache_only(ahub->regmap_ahub, true);
 
@@ -662,12 +655,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
 
 err_pm_disable:
        pm_runtime_disable(&pdev->dev);
-err_clk_put_apbif:
-       clk_put(ahub->clk_apbif);
-err_clk_put_d_audio:
-       clk_put(ahub->clk_d_audio);
-       ahub = NULL;
-err:
+
        return ret;
 }
 
@@ -680,11 +668,6 @@ static int tegra30_ahub_remove(struct platform_device *pdev)
        if (!pm_runtime_status_suspended(&pdev->dev))
                tegra30_ahub_runtime_suspend(&pdev->dev);
 
-       clk_put(ahub->clk_apbif);
-       clk_put(ahub->clk_d_audio);
-
-       ahub = NULL;
-
        return 0;
 }