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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-09-24 11:40:24 +0800 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2013-09-24 15:01:35 +0200 |
| commit | d0c5b2579509b86c1b4a4fa7508428aa44bddd3b (patch) | |
| tree | 59d72842a5a96b3c6bbe198633d930279eb501d6 /drivers/iommu/tegra-gart.c | |
| parent | e56b3dab34d41804b57b900f5b7e7837ece0367b (diff) | |
| download | op-kernel-dev-d0c5b2579509b86c1b4a4fa7508428aa44bddd3b.zip op-kernel-dev-d0c5b2579509b86c1b4a4fa7508428aa44bddd3b.tar.gz | |
iommu/tegra: gart: cleanup devm_* functions usage
The devm_[kzalloc|ioremap] functions allocates data that are released
when a driver detaches. Thus, there is no reason to explicitly call
devm_[kfree|iounmap] in probe or remove functions.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu/tegra-gart.c')
| -rw-r--r-- | drivers/iommu/tegra-gart.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 8993999..f75483a 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -351,7 +351,6 @@ static int tegra_gart_probe(struct platform_device *pdev) struct gart_device *gart; struct resource *res, *res_remap; void __iomem *gart_regs; - int err; struct device *dev = &pdev->dev; if (gart_handle) @@ -376,8 +375,7 @@ static int tegra_gart_probe(struct platform_device *pdev) gart_regs = devm_ioremap(dev, res->start, resource_size(res)); if (!gart_regs) { dev_err(dev, "failed to remap GART registers\n"); - err = -ENXIO; - goto fail; + return -ENXIO; } gart->dev = &pdev->dev; @@ -391,8 +389,7 @@ static int tegra_gart_probe(struct platform_device *pdev) gart->savedata = vmalloc(sizeof(u32) * gart->page_count); if (!gart->savedata) { dev_err(dev, "failed to allocate context save area\n"); - err = -ENOMEM; - goto fail; + return -ENOMEM; } platform_set_drvdata(pdev, gart); @@ -401,27 +398,15 @@ static int tegra_gart_probe(struct platform_device *pdev) gart_handle = gart; bus_set_iommu(&platform_bus_type, &gart_iommu_ops); return 0; - -fail: - if (gart_regs) - devm_iounmap(dev, gart_regs); - if (gart && gart->savedata) - vfree(gart->savedata); - devm_kfree(dev, gart); - return err; } static int tegra_gart_remove(struct platform_device *pdev) { struct gart_device *gart = platform_get_drvdata(pdev); - struct device *dev = gart->dev; writel(0, gart->regs + GART_CONFIG); if (gart->savedata) vfree(gart->savedata); - if (gart->regs) - devm_iounmap(dev, gart->regs); - devm_kfree(dev, gart); gart_handle = NULL; return 0; } |
