ASoC: imx-ssi: Use devm functions

Using devm_ functions can make the code simpler and smaller.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index 28dd76c7cb1c08ac308ca7730d9abfc8b02b0903..e174c1767c2d1dae5de24ddb35e4e080141cc9ad 100644 (file)
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -523,7 +523,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
        int ret = 0;
        struct snd_soc_dai_driver *dai;
 
-       ssi = kzalloc(sizeof(*ssi), GFP_KERNEL);
+       ssi = devm_kzalloc(&pdev->dev, sizeof(*ssi), GFP_KERNEL);
        if (!ssi)
                return -ENOMEM;
        dev_set_drvdata(&pdev->dev, ssi);
@@ -536,7 +536,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
 
        ssi->irq = platform_get_irq(pdev, 0);
 
-       ssi->clk = clk_get(&pdev->dev, NULL);
+       ssi->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(ssi->clk)) {
                ret = PTR_ERR(ssi->clk);
                dev_err(&pdev->dev, "Cannot get the clock: %d\n",
@@ -551,23 +551,17 @@ static int imx_ssi_probe(struct platform_device *pdev)
                goto failed_get_resource;
        }
 
-       if (!request_mem_region(res->start, resource_size(res), DRV_NAME)) {
-               dev_err(&pdev->dev, "request_mem_region failed\n");
-               ret = -EBUSY;
-               goto failed_get_resource;
-       }
-
-       ssi->base = ioremap(res->start, resource_size(res));
+       ssi->base = devm_request_and_ioremap(&pdev->dev, res);
        if (!ssi->base) {
                dev_err(&pdev->dev, "ioremap failed\n");
                ret = -ENODEV;
-               goto failed_ioremap;
+               goto failed_register;
        }
 
        if (ssi->flags & IMX_SSI_USE_AC97) {
                if (ac97_ssi) {
                        ret = -EBUSY;
-                       goto failed_ac97;
+                       goto failed_register;
                }
                ac97_ssi = ssi;
                setup_channel_to_ac97(ssi);
@@ -636,15 +630,10 @@ failed_pdev_fiq_add:
 failed_pdev_fiq_alloc:
        snd_soc_unregister_dai(&pdev->dev);
 failed_register:
-failed_ac97:
-       iounmap(ssi->base);
-failed_ioremap:
        release_mem_region(res->start, resource_size(res));
 failed_get_resource:
        clk_disable_unprepare(ssi->clk);
-       clk_put(ssi->clk);
 failed_clk:
-       kfree(ssi);
 
        return ret;
 }
@@ -662,11 +651,8 @@ static int __devexit imx_ssi_remove(struct platform_device *pdev)
        if (ssi->flags & IMX_SSI_USE_AC97)
                ac97_ssi = NULL;
 
-       iounmap(ssi->base);
        release_mem_region(res->start, resource_size(res));
        clk_disable_unprepare(ssi->clk);
-       clk_put(ssi->clk);
-       kfree(ssi);
 
        return 0;
 }