On Wed, 23 Aug 2023 at 13:45, Abel Vesa <abel.vesa@xxxxxxxxxx> wrote:
>
> Now that genpd supports dynamically switching the control for an
> attached device between hardware- and software-mode, let's add this
> information to the genpd summary in debugfs.
>
> Suggested-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Kind regards
Uffe
> ---
>
> Changes since v2:
> * Reworded the commit according to Ulf's suggestion
> * Dropped the _mode suffix from the status
> * Replaced "mode" with "managed by" in summary show function
>
> drivers/base/power/domain.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index dfb4f1de540d..93350e67b0e8 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -3171,6 +3171,15 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev)
> seq_printf(s, "%-25s ", p);
> }
>
> +static void mode_status_str(struct seq_file *s, struct device *dev)
> +{
> + struct generic_pm_domain_data *gpd_data;
> +
> + gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
> +
> + seq_printf(s, "%20s", gpd_data->hw_mode ? "HW" : "SW");
> +}
> +
> static void perf_status_str(struct seq_file *s, struct device *dev)
> {
> struct generic_pm_domain_data *gpd_data;
> @@ -3229,6 +3238,7 @@ static int genpd_summary_one(struct seq_file *s,
> seq_printf(s, "\n %-50s ", kobj_path);
> rtpm_status_str(s, pm_data->dev);
> perf_status_str(s, pm_data->dev);
> + mode_status_str(s, pm_data->dev);
> kfree(kobj_path);
> }
>
> @@ -3245,8 +3255,9 @@ static int summary_show(struct seq_file *s, void *data)
> int ret = 0;
>
> seq_puts(s, "domain status children performance\n");
> - seq_puts(s, " /device runtime status\n");
> - seq_puts(s, "----------------------------------------------------------------------------------------------\n");
> + seq_puts(s, " /device runtime status managed by\n");
> + seq_puts(s, "------------------------------------------------------------------------------------------------------------\n");
> +
>
> ret = mutex_lock_interruptible(&gpd_list_lock);
> if (ret)
> --
> 2.34.1
>
