lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20250505223922.2682012-124-sashal@kernel.org>
Date: Mon,  5 May 2025 18:33:20 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Taniya Das <quic_tdas@...cinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	mturquette@...libre.com,
	sboyd@...nel.org,
	linux-arm-msm@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: [PATCH AUTOSEL 6.12 124/486] clk: qcom: lpassaudiocc-sc7280: Add support for LPASS resets for QCM6490

From: Taniya Das <quic_tdas@...cinc.com>

[ Upstream commit cdbbc480f4146cb659af97f4020601fde5fb65a7 ]

On the QCM6490 boards, the LPASS firmware controls the complete clock
controller functionalities and associated power domains. However, only
the LPASS resets required to be controlled by the high level OS. Thus,
add support for the resets in the clock driver to enable the Audio SW
driver to assert/deassert the audio resets as needed.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
Link: https://lore.kernel.org/r/20250221-lpass_qcm6490_resets-v5-2-6be0c0949a83@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/clk/qcom/lpassaudiocc-sc7280.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/qcom/lpassaudiocc-sc7280.c b/drivers/clk/qcom/lpassaudiocc-sc7280.c
index 45e7264770866..22169da08a51a 100644
--- a/drivers/clk/qcom/lpassaudiocc-sc7280.c
+++ b/drivers/clk/qcom/lpassaudiocc-sc7280.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2025, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/clk-provider.h>
@@ -713,14 +714,24 @@ static const struct qcom_reset_map lpass_audio_cc_sc7280_resets[] = {
 	[LPASS_AUDIO_SWR_WSA_CGCR] = { 0xb0, 1 },
 };
 
+static const struct regmap_config lpass_audio_cc_sc7280_reset_regmap_config = {
+	.name = "lpassaudio_cc_reset",
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.fast_io = true,
+	.max_register = 0xc8,
+};
+
 static const struct qcom_cc_desc lpass_audio_cc_reset_sc7280_desc = {
-	.config = &lpass_audio_cc_sc7280_regmap_config,
+	.config = &lpass_audio_cc_sc7280_reset_regmap_config,
 	.resets = lpass_audio_cc_sc7280_resets,
 	.num_resets = ARRAY_SIZE(lpass_audio_cc_sc7280_resets),
 };
 
 static const struct of_device_id lpass_audio_cc_sc7280_match_table[] = {
-	{ .compatible = "qcom,sc7280-lpassaudiocc" },
+	{ .compatible = "qcom,qcm6490-lpassaudiocc", .data = &lpass_audio_cc_reset_sc7280_desc },
+	{ .compatible = "qcom,sc7280-lpassaudiocc", .data = &lpass_audio_cc_sc7280_desc },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, lpass_audio_cc_sc7280_match_table);
@@ -752,13 +763,17 @@ static int lpass_audio_cc_sc7280_probe(struct platform_device *pdev)
 	struct regmap *regmap;
 	int ret;
 
+	desc = device_get_match_data(&pdev->dev);
+
+	if (of_device_is_compatible(pdev->dev.of_node, "qcom,qcm6490-lpassaudiocc"))
+		return qcom_cc_probe_by_index(pdev, 1, desc);
+
 	ret = lpass_audio_setup_runtime_pm(pdev);
 	if (ret)
 		return ret;
 
 	lpass_audio_cc_sc7280_regmap_config.name = "lpassaudio_cc";
 	lpass_audio_cc_sc7280_regmap_config.max_register = 0x2f000;
-	desc = &lpass_audio_cc_sc7280_desc;
 
 	regmap = qcom_cc_map(pdev, desc);
 	if (IS_ERR(regmap)) {
@@ -772,7 +787,7 @@ static int lpass_audio_cc_sc7280_probe(struct platform_device *pdev)
 	regmap_write(regmap, 0x4, 0x3b);
 	regmap_write(regmap, 0x8, 0xff05);
 
-	ret = qcom_cc_really_probe(&pdev->dev, &lpass_audio_cc_sc7280_desc, regmap);
+	ret = qcom_cc_really_probe(&pdev->dev, desc, regmap);
 	if (ret) {
 		dev_err(&pdev->dev, "Failed to register LPASS AUDIO CC clocks\n");
 		goto exit;
-- 
2.39.5


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ