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 03113269839; Tue, 8 Apr 2025 11:45:37 +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=1744112738; cv=none; b=YxXavd+UjP7xkcR4K+cQ70MCCGNPSymjc9lfJUBF2uf7uymT1ljgwT3Wvd+MtjPAWYWMRHkn81OpFWBzpZnWX+u4lz7AiioSzzNnNG4cKhAOzZe6Qe+7jKxxaNa4/V9sA1iyrdHS0e3Gj54aoJjsdDFuwuH6TUcpp+I+i3as5mE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744112738; c=relaxed/simple; bh=vQkYNniP98RzCn7WycmLYscpmpCHd2gyTW3/dkafiqc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DReCQkZyYFeO71PLyXJT9x55enejC0QzbfaYtYny82vdMqWX63SHjSkr8gp1mfnQqBXqI4nzUrXUPAKAHaBL6nbkwdx6ydr+4d6ldjbRrsupS90jN7bMBNDMO7HRwNtRPt480xb1qFje3PgzTK1sAUuUr1CvuMn3BxV4+ytusg4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=A84b4Fjm; 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="A84b4Fjm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21AD8C4CEE5; Tue, 8 Apr 2025 11:45:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744112737; bh=vQkYNniP98RzCn7WycmLYscpmpCHd2gyTW3/dkafiqc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A84b4FjmRiZ9B9eN4L+BdNaabJOKsj4oTSVVubWSgqNERj8X3QGhchCIskNOnPMeV bUHn/yu5MOZau+DYh+BD99F3I5kYwaWcl/AZ6Y3ZZecJ6lxVRvMqW3iD0SI0+w5TMC EuZdqfZPfgz0dZfrMwQKuhPN7n9peViMsun6Tz08= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Matti=20Lehtim=C3=A4ki?= , Stephan Gerhold , Luca Weiss , Bjorn Andersson , Sasha Levin Subject: [PATCH 5.15 180/279] remoteproc: qcom_q6v5_mss: Handle platforms with one power domain Date: Tue, 8 Apr 2025 12:49:23 +0200 Message-ID: <20250408104831.190330525@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104826.319283234@linuxfoundation.org> References: <20250408104826.319283234@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Luca Weiss [ Upstream commit 4641840341f37dc8231e0840ec1514b4061b4322 ] For example MSM8974 has mx voltage rail exposed as regulator and only cx voltage rail is exposed as power domain. This power domain (cx) is attached internally in power domain and cannot be attached in this driver. Fixes: 8750cf392394 ("remoteproc: qcom_q6v5_mss: Allow replacing regulators with power domains") Co-developed-by: Matti Lehtimäki Signed-off-by: Matti Lehtimäki Reviewed-by: Stephan Gerhold Signed-off-by: Luca Weiss Link: https://lore.kernel.org/r/20250217-msm8226-modem-v5-4-2bc74b80e0ae@lucaweiss.eu Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/remoteproc/qcom_q6v5_mss.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 7fe1f2c5480af..7acd60de18c8f 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1594,6 +1594,13 @@ static int q6v5_pds_attach(struct device *dev, struct device **devs, while (pd_names[num_pds]) num_pds++; + /* Handle single power domain */ + if (num_pds == 1 && dev->pm_domain) { + devs[0] = dev; + pm_runtime_enable(dev); + return 1; + } + for (i = 0; i < num_pds; i++) { devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]); if (IS_ERR_OR_NULL(devs[i])) { @@ -1614,8 +1621,15 @@ static int q6v5_pds_attach(struct device *dev, struct device **devs, static void q6v5_pds_detach(struct q6v5 *qproc, struct device **pds, size_t pd_count) { + struct device *dev = qproc->dev; int i; + /* Handle single power domain */ + if (pd_count == 1 && dev->pm_domain) { + pm_runtime_disable(dev); + return; + } + for (i = 0; i < pd_count; i++) dev_pm_domain_detach(pds[i], false); } @@ -2081,13 +2095,13 @@ static const struct rproc_hexagon_res msm8974_mss = { .supply = "pll", .uA = 100000, }, - {} - }, - .fallback_proxy_supply = (struct qcom_mss_reg_res[]) { { .supply = "mx", .uV = 1050000, }, + {} + }, + .fallback_proxy_supply = (struct qcom_mss_reg_res[]) { { .supply = "cx", .uA = 100000, @@ -2113,7 +2127,6 @@ static const struct rproc_hexagon_res msm8974_mss = { NULL }, .proxy_pd_names = (char*[]){ - "mx", "cx", NULL }, -- 2.39.5