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misc: mic: Introduce the managed version of ioremap

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This patch moves data allocated using ioremap to managed data
allocated using devm_ioremap and cleans now unnecessary
iounmaps in probe and remove functions. Also the unnecessary
label iounmap is done away with.

Link: https://lkml.org/lkml/2014/6/1/191
Tested-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Himangi Saraogi 2014-07-14 14:23:51 -07:00 committed by Greg Kroah-Hartman
parent 9f48c89862
commit e1ada0f2c2
1 changed files with 3 additions and 6 deletions
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9
drivers/misc/mic/card/mic_x100.c
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@ -200,7 +200,8 @@ static int __init mic_probe(struct platform_device *pdev)
mdev->mmio.pa = MIC_X100_MMIO_BASE;
mdev->mmio.len = MIC_X100_MMIO_LEN;
mdev->mmio.va = ioremap(MIC_X100_MMIO_BASE, MIC_X100_MMIO_LEN);
mdev->mmio.va = devm_ioremap(&pdev->dev, MIC_X100_MMIO_BASE,
MIC_X100_MMIO_LEN);
if (!mdev->mmio.va) {
dev_err(&pdev->dev, "Cannot remap MMIO BAR\n");
rc = -EIO;
@ -214,7 +215,7 @@ static int __init mic_probe(struct platform_device *pdev)
if (IS_ERR(mdrv->dma_mbdev)) {
rc = PTR_ERR(mdrv->dma_mbdev);
dev_err(&pdev->dev, "mbus_add_device failed rc %d\n", rc);
goto iounmap;
goto done;
}
rc = mic_driver_init(mdrv);
if (rc) {
@ -225,19 +226,15 @@ static int __init mic_probe(struct platform_device *pdev)
return rc;
remove_dma:
mbus_unregister_device(mdrv->dma_mbdev);
iounmap:
iounmap(mdev->mmio.va);
return rc;
}
static int mic_remove(struct platform_device *pdev)
{
struct mic_driver *mdrv = &g_drv;
struct mic_device *mdev = &mdrv->mdev;
mic_driver_uninit(mdrv);
mbus_unregister_device(mdrv->dma_mbdev);
iounmap(mdev->mmio.va);
return 0;
}