linux-kernel - [PATCH v3 3/4] clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration

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Message-ID: <1672838955-7759-4-git-send-email-quic_srivasam@quicinc.com>
Date:   Wed, 4 Jan 2023 18:59:14 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     <swboyd@...omium.org>, <agross@...nel.org>, <andersson@...nel.org>,
        <robh+dt@...nel.org>, <broonie@...nel.org>,
        <quic_plai@...cinc.com>, <krzysztof.kozlowski+dt@...aro.org>,
        <konrad.dybcio@...ainline.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_rohkumar@...cinc.com>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: [PATCH v3 3/4] clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration

The qdsp6ss memory region is being shared by ADSP remoteproc device and
lpasscc clock device, hence causing memory conflict.
As the qdsp6ss clocks are being enabled in remoteproc driver, skip qdsp6ss
clock registration if "qcom,adsp-pil-mode" is enabled.

Fixes: 4ab43d171181 ("clk: qcom: Add lpass clock controller driver for SC7280")

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Tested-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
---
 drivers/clk/qcom/lpasscc-sc7280.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/qcom/lpasscc-sc7280.c b/drivers/clk/qcom/lpasscc-sc7280.c
index 5c1e17b..e1af32c 100644
--- a/drivers/clk/qcom/lpasscc-sc7280.c
+++ b/drivers/clk/qcom/lpasscc-sc7280.c
@@ -118,12 +118,15 @@ static int lpass_cc_sc7280_probe(struct platform_device *pdev)
 		goto destroy_pm_clk;
 	}
 
-	lpass_regmap_config.name = "qdsp6ss";
-	desc = &lpass_qdsp6ss_sc7280_desc;
-
-	ret = qcom_cc_probe_by_index(pdev, 0, desc);
-	if (ret)
-		goto destroy_pm_clk;
+	if (!of_property_read_bool(pdev->dev.of_node, "qcom,adsp-pil-mode")) {
+		lpass_regmap_config.name = "qdsp6ss";
+		desc = &lpass_qdsp6ss_sc7280_desc;
+
+		ret = qcom_cc_probe_by_index(pdev, 0, desc);
+		if (ret)
+			goto destroy_pm_clk;
+		}
+	}
 
 	lpass_regmap_config.name = "top_cc";
 	desc = &lpass_cc_top_sc7280_desc;
-- 
2.7.4