From: Jordan Crouse <jcrouse@codeaurora.org>
To: Tian Tao <tiantao6@hisilicon.com>
Cc: robdclark@gmail.com, sean@poorly.run, airlied@linux.ie,
daniel@ffwll.ch, linux-arm-msm@vger.kernel.org,
dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: Re: [Freedreno] [PATCH] drm/msm: Remove redundant null check
Date: Mon, 19 Oct 2020 08:49:17 -0600 [thread overview]
Message-ID: <20201019144917.GA31882@jcrouse1-lnx.qualcomm.com> (raw)
In-Reply-To: <1603087462-37505-1-git-send-email-tiantao6@hisilicon.com>
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@codeaurora.org>
> Signed-off-by: Tian Tao <tiantao6@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
>
> _______________________________________________
> Freedreno mailing list
> Freedreno@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/freedreno
--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-10-19 14:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-19 6:04 [PATCH] drm/msm: Remove redundant null check Tian Tao
2020-10-19 14:49 ` Jordan Crouse [this message]
2020-12-29 20:15 ` patchwork-bot+linux-arm-msm
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