From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CB031078F; Mon, 27 May 2024 19:01:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716836482; cv=none; b=JBqBVwv6hnxT8e9cgjODa1wthPZiLNWmBirScPVFpDQtO8HO39+7HYCyZXAAhfa1OjYw/1MIuOvlR9KexUNyZNSuoACCqbJaJcmrTWQTNVMg7ZEt8XCSqqpnCB2CBUT6235Qi4aQQ+FFu5oG4qw3C+IXGzvYJvpygKPRwmIjD3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716836482; c=relaxed/simple; bh=CqXh9y4IojNCARK+GtUw6Bs2dpPrSmbC3Y0QqT4TfYY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Sj8TqOMiTPLFTdMnVRIScR2XVxb4NNRIec9WY7OcZr5rvi+Pbx5CMgOg0dIH+5y5QfCh07ube7+SlLukx6tFX3wBgTlPsKZ3O+Q5dtzgYD8Y+CkXWkSyKU0NawmlTVtlXkjRKFB6AcBUvZa7S3MFVPz3OuC4co8z+rX3B3PB3HU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lc/4QZjG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lc/4QZjG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 346AAC2BBFC; Mon, 27 May 2024 19:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716836482; bh=CqXh9y4IojNCARK+GtUw6Bs2dpPrSmbC3Y0QqT4TfYY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lc/4QZjGDLOi7p6Q/eGafsCI58tqRoKHhE5ZAQjZtro0VYkyOxOKBPtwGFh3LMdy5 zftNvkWMMrXGe2hTzBZppz61KDoyWpEawhYZM1XPHKUo5TWv98MbBsFg7axzNXPoAM mEP1350fpmfS6R9Uv3m6FASmvQsfVJHBKTy33ZHs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andrew Halaney , Dmitry Baryshkov , Mukesh Ojha , Bjorn Andersson , Sasha Levin , Xilin Wu Subject: [PATCH 6.9 071/427] soc: qcom: pmic_glink: notify clients about the current state Date: Mon, 27 May 2024 20:51:58 +0200 Message-ID: <20240527185608.455471912@linuxfoundation.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240527185601.713589927@linuxfoundation.org> References: <20240527185601.713589927@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ 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 Signed-off-by: Dmitry Baryshkov Reviewed-by: Mukesh Ojha Tested-by: Xilin Wu # on QCS8550 AYN Odin 2 Link: https://lore.kernel.org/r/20240403-pmic-glink-fix-clients-v2-2-aed4e02baacc@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- 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 2b2cdf4796542..e85a12ec2aab1 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); -- 2.43.0