Patch "soc: qcom: pmic_glink: notify clients about the current state" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    soc: qcom: pmic_glink: notify clients about the current state

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     soc-qcom-pmic_glink-notify-clients-about-the-current.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 9016783340e4324d2cf88d5ae5b9f1b379d1c12d
Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Date:   Wed Apr 3 06:10:58 2024 +0300

    soc: qcom: pmic_glink: notify clients about the current state
    
    [ 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@xxxxxxxxxx>
    Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
    Reviewed-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
    Tested-by: Xilin Wu <wuxilin123@xxxxxxxxx> # on QCS8550 AYN Odin 2
    Link: https://lore.kernel.org/r/20240403-pmic-glink-fix-clients-v2-2-aed4e02baacc@xxxxxxxxxx
    Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

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);
 




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