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iommu/tegra: smmu: Remove unnecessary cleanups with devm_*() 

Remove unnecessary cleanup procedures with devm_*() functions.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Hiroshi Doyu 2012-06-25 14:23:57 +03:00 committed by Joerg Roedel
parent a3b2491545
commit 0547c2f56e
1 changed files with 6 additions and 31 deletions
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37
drivers/iommu/tegra-smmu.c
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@ -971,51 +971,26 @@ static int tegra_smmu_probe(struct platform_device *pdev)
spin_lock_init(&smmu->lock);
err = smmu_setup_regs(smmu);
if (err)
goto fail;
return err;
platform_set_drvdata(pdev, smmu);
smmu->avp_vector_page = alloc_page(GFP_KERNEL);
if (!smmu->avp_vector_page)
goto fail;
return -ENOMEM;
smmu_handle = smmu;
return 0;
fail:
if (smmu->avp_vector_page)
__free_page(smmu->avp_vector_page);
if (smmu && smmu->as) {
for (i = 0; i < smmu->num_as; i++) {
if (smmu->as[i].pdir_page) {
ClearPageReserved(smmu->as[i].pdir_page);
__free_page(smmu->as[i].pdir_page);
}
}
devm_kfree(dev, smmu->as);
}
devm_kfree(dev, smmu);
return err;
}
static int tegra_smmu_remove(struct platform_device *pdev)
{
struct smmu_device *smmu = platform_get_drvdata(pdev);
struct device *dev = smmu->dev;
int i;
smmu_write(smmu, SMMU_CONFIG_DISABLE, SMMU_CONFIG);
platform_set_drvdata(pdev, NULL);
if (smmu->as) {
int i;
for (i = 0; i < smmu->num_as; i++)
free_pdir(&smmu->as[i]);
devm_kfree(dev, smmu->as);
}
if (smmu->avp_vector_page)
__free_page(smmu->avp_vector_page);
if (smmu->regs)
devm_iounmap(dev, smmu->regs);
devm_kfree(dev, smmu);
for (i = 0; i < smmu->num_as; i++)
free_pdir(&smmu->as[i]);
__free_page(smmu->avp_vector_page);
smmu_handle = NULL;
return 0;
}