>> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
>> Date: Wed, 4 Feb 2015 21:54:45 +0100
>>
>> The functions phy_power_on() and vunmap() perform also input
>> parameter validation. Thus the test around their calls is not needed.
>>
>> This issue was detected by using the Coccinelle software.
>>
>> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/exynos/exynos_dp_core.c | 6 ++----
>> drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 +-
>> 2 files changed, 3 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
>> index 34d46aa..306cf1d 100644
>> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
>> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
>> @@ -1057,14 +1057,12 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
>>
>> static void exynos_dp_phy_init(struct exynos_dp_device *dp)
>> {
>> - if (dp->phy)
>> - phy_power_on(dp->phy);
>> + phy_power_on(dp->phy);
>> }
>>
>> static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
>> {
>> - if (dp->phy)
>> - phy_power_off(dp->phy);
>> + phy_power_off(dp->phy);
>> }
>>
>> static void exynos_dp_poweron(struct exynos_drm_display *display)
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> index e12ea90..0dd448a 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
>> @@ -313,7 +313,7 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev,
>> struct exynos_drm_gem_obj *exynos_gem_obj = exynos_fbd->exynos_gem_obj;
>> struct drm_framebuffer *fb;
>>
>> - if (is_drm_iommu_supported(dev) && exynos_gem_obj->buffer->kvaddr)
>> + if (is_drm_iommu_supported(dev))
>> vunmap(exynos_gem_obj->buffer->kvaddr);
>>
>> /* release drm framebuffer and real buffer */
>>
>
> Acked-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
Do the chances increase to integrate this update suggestion
into another source code repository?
Regards,
Markus
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