Commit 0547c2f5 authored by Hiroshi Doyu's avatar Hiroshi Doyu Committed by Joerg Roedel
Browse files

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



Remove unnecessary cleanup procedures with devm_*() functions.

Signed-off-by: default avatarHiroshi DOYU <hdoyu@nvidia.com>
Acked-by: default avatarStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent a3b24915

drivers/iommu/tegra-smmu.c

+6 −31
Original line number Diff line number Diff line
@@ -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;



	smmu_write(smmu, SMMU_CONFIG_DISABLE, SMMU_CONFIG);

	platform_set_drvdata(pdev, NULL);

	if (smmu->as) {

	int i;



	smmu_write(smmu, SMMU_CONFIG_DISABLE, SMMU_CONFIG);

	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);

	smmu_handle = NULL;

	return 0;

}