Re: [PATCH 2/2] soc: qcom: pmic_glink: notify clients about the current state

From: Andrew Halaney
Date: Tue Apr 02 2024 - 14:00:06 EST


On Tue, Apr 02, 2024 at 08:07:07PM +0300, Dmitry Baryshkov wrote:
> In case the client is registered after the pmic-glink recived a response
> from the Protection Domain mapper, it is going to miss the notification
> about the state. Notify clients about the current state upon
> registration.
>
> Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")

This looks and sounds reasonable to me.

Reviewed-by: Andrew Halaney <ahalaney@xxxxxxxxxx>

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
> drivers/soc/qcom/pmic_glink.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c
> index c999358771b3..089cdfb1c9d1 100644
> --- a/drivers/soc/qcom/pmic_glink.c
> +++ b/drivers/soc/qcom/pmic_glink.c
> @@ -83,9 +83,14 @@ struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
> client->pdr_notify = pdr;
> client->priv = priv;
>
> + mutex_lock(&pg->state_lock);
> mutex_lock(&pg->client_lock);
> +
> list_add(&client->node, &pg->clients);
> + client->pdr_notify(client->priv, pg->client_state);
> +
> mutex_unlock(&pg->client_lock);
> + mutex_unlock(&pg->state_lock);
>
> devres_add(dev, client);
>
>
> --
> 2.39.2
>
>