On 29/09/2026 04:44, Adrián Larumbe wrote:
> The clk_* API can deal with NULL clock objects, so we can do away with NULL
> checks in client code.
> 
> Reviewed-by: Boris Brezillon <[email protected]>
> Signed-off-by: Adrián Larumbe <[email protected]>

Reviewed-by: Steven Price <[email protected]>

> ---
>  drivers/gpu/drm/panfrost/panfrost_device.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c 
> b/drivers/gpu/drm/panfrost/panfrost_device.c
> index 5bf528f41278..b3a53504bd01 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_device.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_device.c
> @@ -510,11 +510,9 @@ static int panfrost_device_resume(struct device *dev)
>               if (ret)
>                       goto err_clk;
>  
> -             if (pfdev->bus_clock) {
> -                     ret = clk_enable(pfdev->bus_clock);
> -                     if (ret)
> -                             goto err_bus_clk;
> -             }
> +             ret = clk_enable(pfdev->bus_clock);
> +             if (ret)
> +                     goto err_bus_clk;
>       }
>  
>       ret = pm_runtime_force_resume(dev);
> @@ -524,7 +522,7 @@ static int panfrost_device_resume(struct device *dev)
>       return 0;
>  
>  err_resume:
> -     if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS) && pfdev->bus_clock)
> +     if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS))
>               clk_disable(pfdev->bus_clock);
>  err_bus_clk:
>       if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS))
> @@ -545,9 +543,7 @@ static int panfrost_device_suspend(struct device *dev)
>               return ret;
>  
>       if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS)) {
> -             if (pfdev->bus_clock)
> -                     clk_disable(pfdev->bus_clock);
> -
> +             clk_disable(pfdev->bus_clock);
>               clk_disable(pfdev->clock);
>       }
>  
> 

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