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drm/exynos-vidi: convert platform driver to use dev_groups

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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files.  So take advantage of that
and do not register "by hand" a sysfs file.

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Emil Velikov 2020-05-17 20:36:55 +01:00 committed by Inki Dae
parent 547a734863
commit f84e1ba336
1 changed files with 8 additions and 18 deletions
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26
drivers/gpu/drm/exynos/exynos_drm_vidi.c
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@ -214,6 +214,12 @@ static ssize_t vidi_store_connection(struct device *dev,
static DEVICE_ATTR(connection, 0644, vidi_show_connection,
vidi_store_connection);
static struct attribute *vidi_attrs[] = {
&dev_attr_connection.attr,
NULL,
};
ATTRIBUTE_GROUPS(vidi);
int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
struct drm_file *file_priv)
{
@ -439,7 +445,6 @@ static int vidi_probe(struct platform_device *pdev)
{
struct vidi_context *ctx;
struct device *dev = &pdev->dev;
int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@ -453,23 +458,7 @@ static int vidi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ctx);
ret = device_create_file(dev, &dev_attr_connection);
if (ret < 0) {
DRM_DEV_ERROR(dev,
"failed to create connection sysfs.\n");
return ret;
}
ret = component_add(dev, &vidi_component_ops);
if (ret)
goto err_remove_file;
return ret;
err_remove_file:
device_remove_file(dev, &dev_attr_connection);
return ret;
return component_add(dev, &vidi_component_ops);
}
static int vidi_remove(struct platform_device *pdev)
@ -494,5 +483,6 @@ struct platform_driver vidi_driver = {
.driver = {
.name = "exynos-drm-vidi",
.owner = THIS_MODULE,
.dev_groups = vidi_groups,
},
};