diff options
| author |   Guo Zhengkui <guozhengkui@vivo.com> | 2022-05-19 15:29:48 +0800 |
|---|---|---|
| committer |   Lyude Paul <lyude@redhat.com> | 2022-05-23 16:13:17 -0400 |
| commit | 1a3b1ea111c44d9dce9f70ba032531a223395a15 (patch) | |
| tree | ca347b42ae978a9576b5aa8715232f571d83d3a9 /drivers/gpu/drm/nouveau/nvkm/engine/device | |
| parent | drm/nouveau/mmu: fix typo in comment (diff) | |
| download | linux-dev-1a3b1ea111c44d9dce9f70ba032531a223395a15.tar.xz linux-dev-1a3b1ea111c44d9dce9f70ba032531a223395a15.zip | |
drm/nouveau/tegra: remove needless NULL check
There has already been NULL check in clk_prepare_enable() and
clk_disable_unprepare(), so remove needless NULL check before
calling them.
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220519072950.128268-1-guozhengkui@vivo.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/device')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 992cc285f2fe..493c297966d9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -41,11 +41,9 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) ret = clk_prepare_enable(tdev->clk); if (ret) goto err_clk; - if (tdev->clk_ref) { - ret = clk_prepare_enable(tdev->clk_ref); - if (ret) - goto err_clk_ref; - } + ret = clk_prepare_enable(tdev->clk_ref); + if (ret) + goto err_clk_ref; ret = clk_prepare_enable(tdev->clk_pwr); if (ret) goto err_clk_pwr; @@ -70,8 +68,7 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) err_clamp: clk_disable_unprepare(tdev->clk_pwr); err_clk_pwr: - if (tdev->clk_ref) - clk_disable_unprepare(tdev->clk_ref); + clk_disable_unprepare(tdev->clk_ref); err_clk_ref: clk_disable_unprepare(tdev->clk); err_clk: @@ -87,8 +84,7 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev) int ret; clk_disable_unprepare(tdev->clk_pwr); - if (tdev->clk_ref) - clk_disable_unprepare(tdev->clk_ref); + clk_disable_unprepare(tdev->clk_ref); clk_disable_unprepare(tdev->clk); udelay(10); |