sh_keysc: remove request_mem_region() and release_mem_region()

Remove request_mem_region() and release_mem_region() from sh_keysc driver.
Those functions can find resource conflict, but it is already checked in
platform_device_add().

Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index 8486abc..c600ab7 100644 (file)
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -158,25 +158,18 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
        memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata));
        pdata = &priv->pdata;
 
-       res = request_mem_region(res->start, res_size(res), pdev->name);
-       if (res == NULL) {
-               dev_err(&pdev->dev, "failed to request I/O memory\n");
-               error = -EBUSY;
-               goto err1;
-       }
-
        priv->iomem_base = ioremap_nocache(res->start, res_size(res));
        if (priv->iomem_base == NULL) {
                dev_err(&pdev->dev, "failed to remap I/O memory\n");
                error = -ENXIO;
-               goto err2;
+               goto err1;
        }
 
        priv->input = input_allocate_device();
        if (!priv->input) {
                dev_err(&pdev->dev, "failed to allocate input device\n");
                error = -ENOMEM;
-               goto err3;
+               goto err2;
        }
 
        input = priv->input;
@@ -194,7 +187,7 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
        error = request_irq(irq, sh_keysc_isr, 0, pdev->name, pdev);
        if (error) {
                dev_err(&pdev->dev, "failed to request IRQ\n");
-               goto err4;
+               goto err3;
        }
 
        for (i = 0; i < SH_KEYSC_MAXKEYS; i++) {
@@ -206,7 +199,7 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
        error = input_register_device(input);
        if (error) {
                dev_err(&pdev->dev, "failed to register input device\n");
-               goto err5;
+               goto err4;
        }
 
        iowrite16((sh_keysc_mode[pdata->mode].kymd << 8) |
@@ -214,14 +207,12 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
        iowrite16(0, priv->iomem_base + KYOUTDR_OFFS);
        iowrite16(KYCR2_IRQ_LEVEL, priv->iomem_base + KYCR2_OFFS);
        return 0;
- err5:
-       free_irq(irq, pdev);
  err4:
-       input_free_device(input);
+       free_irq(irq, pdev);
  err3:
-       iounmap(priv->iomem_base);
+       input_free_device(input);
  err2:
-       release_mem_region(res->start, res_size(res));
+       iounmap(priv->iomem_base);
  err1:
        platform_set_drvdata(pdev, NULL);
        kfree(priv);
@@ -232,7 +223,6 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
 static int __devexit sh_keysc_remove(struct platform_device *pdev)
 {
        struct sh_keysc_priv *priv = platform_get_drvdata(pdev);
-       struct resource *res;
 
        iowrite16(KYCR2_IRQ_DISABLED, priv->iomem_base + KYCR2_OFFS);
 
@@ -240,9 +230,6 @@ static int __devexit sh_keysc_remove(struct platform_device *pdev)
        free_irq(platform_get_irq(pdev, 0), pdev);
        iounmap(priv->iomem_base);
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       release_mem_region(res->start, res_size(res));
-
        platform_set_drvdata(pdev, NULL);
        kfree(priv);
        return 0;