Re: [PATCH v2 04/12] ASoC: qdsp6: q6adm: use of_platform_populate/depopulate()

Niklas Cassel
2018-06-26T09:30:03Z

On Tue, Jun 26, 2018 at 10:20:08AM +0100, Srinivas Kandagatla wrote:
> Now that the child nodes have there own compatible strings,
> Use of_platform_populate/depopulate() instead of less common
> of_platform_device_create()/destroy().
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
> sound/soc/qcom/qdsp6/q6adm.c | 16 ++--------------
> 1 file changed, 2 insertions(+), 14 deletions(-)
>
> diff --git a/sound/soc/qcom/qdsp6/q6adm.c b/sound/soc/qcom/qdsp6/q6adm.c
> index 9983c665a941..932c3ebfd252 100644
> --- a/sound/soc/qcom/qdsp6/q6adm.c
> +++ b/sound/soc/qcom/qdsp6/q6adm.c
> @@ -64,7 +64,6 @@ struct q6adm {
> struct aprv2_ibasic_rsp_result_t result;
> struct mutex lock;
> wait_queue_head_t matrix_map_wait;
> - struct platform_device *pdev_routing;
> };
>
> struct q6adm_cmd_device_open_v5 {
> @@ -588,7 +587,6 @@ EXPORT_SYMBOL_GPL(q6adm_close);
> static int q6adm_probe(struct apr_device *adev)
> {
> struct device *dev = &adev->dev;
> - struct device_node *dais_np;
> struct q6adm *adm;
>
> adm = devm_kzalloc(&adev->dev, sizeof(*adm), GFP_KERNEL);
> @@ -605,22 +603,12 @@ static int q6adm_probe(struct apr_device *adev)
> INIT_LIST_HEAD(&adm->copps_list);
> spin_lock_init(&adm->copps_list_lock);
>
> - dais_np = of_get_child_by_name(dev->of_node, "routing");
> - if (dais_np) {
> - adm->pdev_routing = of_platform_device_create(dais_np,
> - "q6routing", dev);
> - of_node_put(dais_np);
> - }
> -
> - return 0;
> + return of_platform_populate(dev->of_node, NULL, NULL, dev);
> }
>
> static int q6adm_remove(struct apr_device *adev)
> {
> - struct q6adm *adm = dev_get_drvdata(&adev->dev);
> -
> - if (adm->pdev_routing)
> - of_platform_device_destroy(&adm->pdev_routing->dev, NULL);
> + of_platform_depopulate(&adev->dev);
>
> return 0;
> }
> --
> 2.16.2
>