Re: [PATCH v4 13/27] drm/bridge: ti-sn65dsi86: Use devm to do our runtime_disable

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On Fri 16 Apr 17:39 CDT 2021, Douglas Anderson wrote:

> There's no devm_runtime_enable(), but it's easy to use
> devm_add_action_or_reset() and means we don't need to worry about the
> disable in our remove() routine or in error paths.
> 
> No functional changes intended by this change.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
> 
> (no changes since v1)
> 
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index a200e88fd006..53f1f7b3022f 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1223,6 +1223,11 @@ static void ti_sn_bridge_parse_lanes(struct ti_sn65dsi86 *pdata,
>  	pdata->ln_polrs = ln_polrs;
>  }
>  
> +static void ti_sn65dsi86_runtime_disable(void *data)
> +{
> +	pm_runtime_disable(data);
> +}
> +
>  static int ti_sn65dsi86_probe(struct i2c_client *client,
>  			      const struct i2c_device_id *id)
>  {
> @@ -1278,12 +1283,13 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
>  		return ret;
>  
>  	pm_runtime_enable(dev);
> +	ret = devm_add_action_or_reset(dev, ti_sn65dsi86_runtime_disable, dev);
> +	if (ret)
> +		return ret;
>  
>  	ret = ti_sn_setup_gpio_controller(pdata);
> -	if (ret) {
> -		pm_runtime_disable(dev);
> +	if (ret)
>  		return ret;
> -	}
>  
>  	pdata->aux.name = "ti-sn65dsi86-aux";
>  	pdata->aux.dev = dev;
> @@ -1316,8 +1322,6 @@ static int ti_sn65dsi86_remove(struct i2c_client *client)
>  
>  	drm_bridge_remove(&pdata->bridge);
>  
> -	pm_runtime_disable(pdata->dev);
> -
>  	of_node_put(pdata->host_node);
>  
>  	return 0;
> -- 
> 2.31.1.368.gbe11c130af-goog
> 
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