[Freedreno] [PATCH] drm/msm: Remove redundant null check

[Jordan Crouse]

On Mon, Oct 19, 2020 at 02:04:22PM +0800, Tian Tao wrote:
> clk_prepare_enable() and clk_disable_unprepare() will check
> NULL clock parameter, so It is not necessary to add additional checks.

Reviewed-by: Jordan Crouse <jcrouse at codeaurora.org>

> Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
> ---
>  drivers/gpu/drm/msm/msm_gpu.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
> index 57ddc94..25bc654 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.c
> +++ b/drivers/gpu/drm/msm/msm_gpu.c
> @@ -175,15 +175,12 @@ static int disable_clk(struct msm_gpu *gpu)
>  
>  static int enable_axi(struct msm_gpu *gpu)
>  {
> -	if (gpu->ebi1_clk)
> -		clk_prepare_enable(gpu->ebi1_clk);
> -	return 0;
> +	return clk_prepare_enable(gpu->ebi1_clk);
>  }
>  
>  static int disable_axi(struct msm_gpu *gpu)
>  {
> -	if (gpu->ebi1_clk)
> -		clk_disable_unprepare(gpu->ebi1_clk);
> +	clk_disable_unprepare(gpu->ebi1_clk);
>  	return 0;
>  }
>  
> -- 
> 2.7.4
> 
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