Re: [PATCH v2] PM / Domains: Allow holes in genpd_data.domains array

2016-09-16 Thread Kevin Hilman
Tomeu Vizoso  writes:

> In platforms such as Rockchip's, the array of domains isn't always
> filled without holes, as which domains are present depend on the
> particular SoC revision.
>
> By allowing holes to be in the array, such SoCs can still use a single
> set of constants to index the array of power domains.
>
> Fixes: 0159ec670763 ("PM / Domains: Verify the PM domain is present when 
> adding a provider")
> Signed-off-by: Tomeu Vizoso 
> Cc: Jon Hunter 
> Cc: Heiko Stuebner 
>
> ---
>
> v2: Also skip holes in the error path.

Acked-by: Kevin Hilman 


Re: [PATCH v2] PM / Domains: Allow holes in genpd_data.domains array

2016-09-15 Thread Heiko Stübner
Am Donnerstag, 15. September 2016, 14:05:23 schrieb Tomeu Vizoso:
> In platforms such as Rockchip's, the array of domains isn't always
> filled without holes, as which domains are present depend on the
> particular SoC revision.
> 
> By allowing holes to be in the array, such SoCs can still use a single
> set of constants to index the array of power domains.
> 
> Fixes: 0159ec670763 ("PM / Domains: Verify the PM domain is present when
> adding a provider") Signed-off-by: Tomeu Vizoso
> 
> Cc: Jon Hunter 
> Cc: Heiko Stuebner 

We talked about this today and the change looks good for handling the
holes in Rockchip power-domain lists, so

Reviewed-by: Heiko Stuebner 

also, on a rk3288-veyron Chromebook the display comes up again
with this patch (by not defering because of the missing domains), so

Tested-by: Heiko Stuebner 


Thanks
Heiko


Re: [PATCH v2] PM / Domains: Allow holes in genpd_data.domains array

2016-09-15 Thread Ulf Hansson
On 15 September 2016 at 14:05, Tomeu Vizoso  wrote:
> In platforms such as Rockchip's, the array of domains isn't always
> filled without holes, as which domains are present depend on the
> particular SoC revision.
>
> By allowing holes to be in the array, such SoCs can still use a single
> set of constants to index the array of power domains.
>
> Fixes: 0159ec670763 ("PM / Domains: Verify the PM domain is present when 
> adding a provider")
> Signed-off-by: Tomeu Vizoso 
> Cc: Jon Hunter 
> Cc: Heiko Stuebner 

Acked-by: Ulf Hansson 

Kind regards
Uffe

>
> ---
>
> v2: Also skip holes in the error path.
> ---
>  drivers/base/power/domain.c | 4 
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index b0cf46dcae73..83ae3d7d3fdd 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -1581,6 +1581,8 @@ int of_genpd_add_provider_onecell(struct device_node 
> *np,
> mutex_lock(&gpd_list_lock);
>
> for (i = 0; i < data->num_domains; i++) {
> +   if (!data->domains[i])
> +   continue;
> if (!pm_genpd_present(data->domains[i]))
> goto error;
>
> @@ -1598,6 +1600,8 @@ int of_genpd_add_provider_onecell(struct device_node 
> *np,
>
>  error:
> while (i--) {
> +   if (!data->domains[i])
> +   continue;
> data->domains[i]->provider = NULL;
> data->domains[i]->has_provider = false;
> }
> --
> 2.7.4
>


Re: [PATCH v2] PM / Domains: Allow holes in genpd_data.domains array

2016-09-15 Thread Jon Hunter

On 15/09/16 13:05, Tomeu Vizoso wrote:
> In platforms such as Rockchip's, the array of domains isn't always
> filled without holes, as which domains are present depend on the
> particular SoC revision.
> 
> By allowing holes to be in the array, such SoCs can still use a single
> set of constants to index the array of power domains.
> 
> Fixes: 0159ec670763 ("PM / Domains: Verify the PM domain is present when 
> adding a provider")
> Signed-off-by: Tomeu Vizoso 
> Cc: Jon Hunter 
> Cc: Heiko Stuebner 
> 
> ---
> 
> v2: Also skip holes in the error path.
> ---
>  drivers/base/power/domain.c | 4 
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index b0cf46dcae73..83ae3d7d3fdd 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -1581,6 +1581,8 @@ int of_genpd_add_provider_onecell(struct device_node 
> *np,
>   mutex_lock(&gpd_list_lock);
>  
>   for (i = 0; i < data->num_domains; i++) {
> + if (!data->domains[i])
> + continue;
>   if (!pm_genpd_present(data->domains[i]))
>   goto error;
>  
> @@ -1598,6 +1600,8 @@ int of_genpd_add_provider_onecell(struct device_node 
> *np,
>  
>  error:
>   while (i--) {
> + if (!data->domains[i])
> + continue;
>   data->domains[i]->provider = NULL;
>   data->domains[i]->has_provider = false;
>   }
> 

Thanks!

Acked-by: Jon Hunter 

Cheers
Jon

-- 
nvpublic