ASoC: samsung-ac97: Convert to devm_ioremap_resource()

Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index 1c85999f3fc38ac3f9ee69eba14e470c89739dd4..04d7fd461484af774b70350f0064626b2e45948e 100644 (file)
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -417,11 +417,9 @@ static int s3c_ac97_probe(struct platform_device *pdev)
                return -ENXIO;
        }
 
-       if (!request_mem_region(mem_res->start,
-                               resource_size(mem_res), "ac97")) {
-               dev_err(&pdev->dev, "Unable to request register region\n");
-               return -EBUSY;
-       }
+       s3c_ac97.regs = devm_ioremap_resource(&pdev->dev, mem_res);
+       if (IS_ERR(s3c_ac97.regs))
+               return PTR_ERR(s3c_ac97.regs);
 
        s3c_ac97_pcm_out.channel = dmatx_res->start;
        s3c_ac97_pcm_out.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
@@ -433,13 +431,6 @@ static int s3c_ac97_probe(struct platform_device *pdev)
        init_completion(&s3c_ac97.done);
        mutex_init(&s3c_ac97.lock);
 
-       s3c_ac97.regs = ioremap(mem_res->start, resource_size(mem_res));
-       if (s3c_ac97.regs == NULL) {
-               dev_err(&pdev->dev, "Unable to ioremap register region\n");
-               ret = -ENXIO;
-               goto err1;
-       }
-
        s3c_ac97.ac97_clk = devm_clk_get(&pdev->dev, "ac97");
        if (IS_ERR(s3c_ac97.ac97_clk)) {
                dev_err(&pdev->dev, "ac97 failed to get ac97_clock\n");
@@ -481,16 +472,13 @@ err4:
 err3:
        clk_disable_unprepare(s3c_ac97.ac97_clk);
 err2:
-       iounmap(s3c_ac97.regs);
-err1:
-       release_mem_region(mem_res->start, resource_size(mem_res));
 
        return ret;
 }
 
 static int s3c_ac97_remove(struct platform_device *pdev)
 {
-       struct resource *mem_res, *irq_res;
+       struct resource *irq_res;
 
        asoc_dma_platform_unregister(&pdev->dev);
        snd_soc_unregister_component(&pdev->dev);
@@ -501,12 +489,6 @@ static int s3c_ac97_remove(struct platform_device *pdev)
 
        clk_disable_unprepare(s3c_ac97.ac97_clk);
 
-       iounmap(s3c_ac97.regs);
-
-       mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (mem_res)
-               release_mem_region(mem_res->start, resource_size(mem_res));
-
        return 0;
 }