From: Magnus Damm <damm+renesas@opensource.se>
Date: Mon, 21 Aug 2017 05:53:35 +0000 (+0900)
Subject: iommu/ipmmu-vmsa: Use iommu_device_sysfs_add()/remove()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7af9a5fdb9e0ca33c9c18d5a9b1512c98a03120f;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

iommu/ipmmu-vmsa: Use iommu_device_sysfs_add()/remove()

Extend the driver to make use of iommu_device_sysfs_add()/remove()
functions to hook up initial sysfs support.

Suggested-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 5093d1c4f46d..5a350582f359 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -953,6 +953,11 @@ static int ipmmu_probe(struct platform_device *pdev)
 
 	ipmmu_device_reset(mmu);
 
+	ret = iommu_device_sysfs_add(&mmu->iommu, &pdev->dev, NULL,
+				     dev_name(&pdev->dev));
+	if (ret)
+		return ret;
+
 	iommu_device_set_ops(&mmu->iommu, &ipmmu_ops);
 	iommu_device_set_fwnode(&mmu->iommu, &pdev->dev.of_node->fwnode);
 
@@ -975,6 +980,7 @@ static int ipmmu_remove(struct platform_device *pdev)
 {
 	struct ipmmu_vmsa_device *mmu = platform_get_drvdata(pdev);
 
+	iommu_device_sysfs_remove(&mmu->iommu);
 	iommu_device_unregister(&mmu->iommu);
 
 #if defined(CONFIG_ARM) && !defined(CONFIG_IOMMU_DMA)