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iommu/mediatek: Convert DT component matching to component_match_add_release()

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Convert DT component matching to use component_match_add_release().

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Russell King 2016-10-19 11:30:34 +01:00 committed by Joerg Roedel
parent 84672f1926
commit 00c7c81f7b
3 changed files with 15 additions and 6 deletions
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8
drivers/iommu/mtk_iommu.c
View File

@ -544,17 +544,19 @@ static int mtk_iommu_probe(struct platform_device *pdev)
continue;
plarbdev = of_find_device_by_node(larbnode);
of_node_put(larbnode);
if (!plarbdev) {
plarbdev = of_platform_device_create(
larbnode, NULL,
platform_bus_type.dev_root);
if (!plarbdev)
if (!plarbdev) {
of_node_put(larbnode);
return -EPROBE_DEFER;
}
}
data->smi_imu.larb_imu[i].dev = &plarbdev->dev;
component_match_add(dev, &match, compare_of, larbnode);
component_match_add_release(dev, &match, release_of,
compare_of, larbnode);
}
platform_set_drvdata(pdev, data);

5
drivers/iommu/mtk_iommu.h
View File

@ -54,6 +54,11 @@ static inline int compare_of(struct device *dev, void *data)
return dev->of_node == data;
}
static inline void release_of(struct device *dev, void *data)
{
of_node_put(data);
}
static inline int mtk_iommu_bind(struct device *dev)
{
struct mtk_iommu_data *data = dev_get_drvdata(dev);

8
drivers/iommu/mtk_iommu_v1.c
View File

@ -601,17 +601,19 @@ static int mtk_iommu_probe(struct platform_device *pdev)
continue;
plarbdev = of_find_device_by_node(larb_spec.np);
of_node_put(larb_spec.np);
if (!plarbdev) {
plarbdev = of_platform_device_create(
larb_spec.np, NULL,
platform_bus_type.dev_root);
if (!plarbdev)
if (!plarbdev) {
of_node_put(larb_spec.np);
return -EPROBE_DEFER;
}
}
data->smi_imu.larb_imu[larb_nr].dev = &plarbdev->dev;
component_match_add(dev, &match, compare_of, larb_spec.np);
component_match_add_release(dev, &match, release_of,
compare_of, larb_spec.np);
larb_nr++;
}