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authorHiroshi Doyu <hdoyu@nvidia.com>2012-06-25 14:23:57 +0300
committerJoerg Roedel <joerg.roedel@amd.com>2012-06-25 13:50:44 +0200
commit0547c2f56e6e4795d5366ba3b8483b668920a947 (patch)
tree7ff1b14e016fa127c63e92dd1ea9b28873500107 /drivers/iommu/tegra-smmu.c
parenta3b24915456b63c9002e94152e122b07de5566f2 (diff)
downloadlinux-0547c2f56e6e4795d5366ba3b8483b668920a947.tar.gz
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>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c37
1 files changed, 6 insertions, 31 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 98fcc7268ea..cc6aba45e49 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -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;
}