6.6-stable review patch. If anyone has any objections, please let me know.
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From: Dmitry Baryshkov dmitry.baryshkov@linaro.org
[ Upstream commit d6cbce2cd354c9a37a558f290a8f1dfd20584f99 ]
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") Reviewed-by: Andrew Halaney ahalaney@redhat.com Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reviewed-by: Mukesh Ojha quic_mojha@quicinc.com Tested-by: Xilin Wu wuxilin123@gmail.com # on QCS8550 AYN Odin 2 Link: https://lore.kernel.org/r/20240403-pmic-glink-fix-clients-v2-2-aed4e02baacc@... Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 c6dca5278e61b..062ff7b12de6a 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -86,9 +86,14 @@ 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);