[PATCH] drm/amd: use list_for_each_entry for list iteration.

[Alex Deucher]

On Fri, Jan 3, 2020 at 2:34 PM Wambui Karuga <wambui.karugax at gmail.com> wrote:
>
> list_for_each() can be replaced by the more concise
> list_for_each_entry() here for iteration over the lists.
> This change was reported by coccinelle.
>
> Signed-off-by: Wambui Karuga <wambui.karugax at gmail.com>

Applied.  Thanks!

Alex

> ---
>  .../drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 19 ++++---------------
>  1 file changed, 4 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
> index 64445c4cc4c2..cbcf504f73a5 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
> @@ -111,17 +111,12 @@ static void init_handler_common_data(struct amdgpu_dm_irq_handler_data *hcd,
>   */
>  static void dm_irq_work_func(struct work_struct *work)
>  {
> -       struct list_head *entry;
>         struct irq_list_head *irq_list_head =
>                 container_of(work, struct irq_list_head, work);
>         struct list_head *handler_list = &irq_list_head->head;
>         struct amdgpu_dm_irq_handler_data *handler_data;
>
> -       list_for_each(entry, handler_list) {
> -               handler_data = list_entry(entry,
> -                                         struct amdgpu_dm_irq_handler_data,
> -                                         list);
> -
> +       list_for_each_entry(handler_data, handler_list, list) {
>                 DRM_DEBUG_KMS("DM_IRQ: work_func: for dal_src=%d\n",
>                                 handler_data->irq_source);
>
> @@ -528,19 +523,13 @@ static void amdgpu_dm_irq_immediate_work(struct amdgpu_device *adev,
>                                          enum dc_irq_source irq_source)
>  {
>         struct amdgpu_dm_irq_handler_data *handler_data;
> -       struct list_head *entry;
>         unsigned long irq_table_flags;
>
>         DM_IRQ_TABLE_LOCK(adev, irq_table_flags);
>
> -       list_for_each(
> -               entry,
> -               &adev->dm.irq_handler_list_high_tab[irq_source]) {
> -
> -               handler_data = list_entry(entry,
> -                                         struct amdgpu_dm_irq_handler_data,
> -                                         list);
> -
> +       list_for_each_entry(handler_data,
> +                           &adev->dm.irq_handler_list_high_tab[irq_source],
> +                           list) {
>                 /* Call a subcomponent which registered for immediate
>                  * interrupt notification */
>                 handler_data->handler(handler_data->handler_arg);
> --
> 2.17.1
>
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