ASoC: Davinci: Use resource_size() helper function

This patch modifies the Davinci i2s and mcasp drivers
to make use of the resource_size() helper function for readability.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 9e0e565..f8c8487 100644 (file)
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -658,7 +658,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       ioarea = request_mem_region(mem->start, (mem->end - mem->start) + 1,
+       ioarea = request_mem_region(mem->start, resource_size(mem),
                                    pdev->name);
        if (!ioarea) {
                dev_err(&pdev->dev, "McBSP region already claimed\n");
@@ -731,7 +731,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 err_free_mem:
        kfree(dev);
 err_release_region:
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
 
        return ret;
 }
@@ -747,7 +747,7 @@ static int davinci_i2s_remove(struct platform_device *pdev)
        dev->clk = NULL;
        kfree(dev);
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
 
        return 0;
 }

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index fb55d2c..9b5d5ca 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -868,7 +868,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        }
 
        ioarea = request_mem_region(mem->start,
-                       (mem->end - mem->start) + 1, pdev->name);
+                       resource_size(mem), pdev->name);
        if (!ioarea) {
                dev_err(&pdev->dev, "Audio region already claimed\n");
                ret = -EBUSY;
@@ -933,7 +933,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        return 0;
 
 err_release_region:
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
 err_release_data:
        kfree(dev);
 
@@ -951,7 +951,7 @@ static int davinci_mcasp_remove(struct platform_device *pdev)
        dev->clk = NULL;
 
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(mem->start, (mem->end - mem->start) + 1);
+       release_mem_region(mem->start, resource_size(mem));
 
        kfree(dev);