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exynos/drm: hdmi: cleanup for hdmi common device registration 

The hdmi common device registration function does not need extern definition
and for error case and unregister case, exynos_drm_hdmi_pdev should be cleared.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Seung-Woo Kim 2013-04-22 18:40:34 +09:00 committed by Inki Dae
parent 1055f49e99
commit 0f6f95922e
2 changed files with 11 additions and 5 deletions
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2
drivers/gpu/drm/exynos/exynos_drm_drv.h
View File

@ -322,7 +322,7 @@ void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file);
* this function registers exynos drm hdmi platform device. It ensures only one
* instance of the device is created.
*/
extern int exynos_platform_device_hdmi_register(void);
int exynos_platform_device_hdmi_register(void);
/*
* this function unregisters exynos drm hdmi platform device if it exists.

14
drivers/gpu/drm/exynos/exynos_drm_hdmi.c
View File

@ -51,21 +51,27 @@ struct drm_hdmi_context {
int exynos_platform_device_hdmi_register(void)
{
struct platform_device *pdev;
if (exynos_drm_hdmi_pdev)
return -EEXIST;
exynos_drm_hdmi_pdev = platform_device_register_simple(
pdev = platform_device_register_simple(
"exynos-drm-hdmi", -1, NULL, 0);
if (IS_ERR(exynos_drm_hdmi_pdev))
return PTR_ERR(exynos_drm_hdmi_pdev);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
exynos_drm_hdmi_pdev = pdev;
return 0;
}
void exynos_platform_device_hdmi_unregister(void)
{
if (exynos_drm_hdmi_pdev)
if (exynos_drm_hdmi_pdev) {
platform_device_unregister(exynos_drm_hdmi_pdev);
exynos_drm_hdmi_pdev = NULL;
}
}
void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx)