linux-kernel - [PATCH v5 08/10] interconnect: qcom: msm8996: Specify no bus clock scaling on A0NoC

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Message-Id: <20230217-topic-icc-fixes-v5-v5-8-c9a550f9fdb9@linaro.org>
Date:   Fri, 17 Feb 2023 11:46:29 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Evan Green <evgreen@...omium.org>,
        Jun Nie <jun.nie@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Brian Masney <masneyb@...tation.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Yassine Oudjana <y.oudjana@...tonmail.com>
Cc:     Georgi Djakov <georgi.djakov@...aro.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v5 08/10] interconnect: qcom: msm8996: Specify no bus clock
 scaling on A0NoC

A0NoC only does bus scaling through RPM votes and does not have any
ICC clocks. Describe this.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/interconnect/qcom/msm8996.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/interconnect/qcom/msm8996.c b/drivers/interconnect/qcom/msm8996.c
index 1a5e0ad36cc4..45eb8675fb11 100644
--- a/drivers/interconnect/qcom/msm8996.c
+++ b/drivers/interconnect/qcom/msm8996.c
@@ -1817,6 +1817,7 @@ static const struct qcom_icc_desc msm8996_a0noc = {
 	.type = QCOM_ICC_NOC,
 	.nodes = a0noc_nodes,
 	.num_nodes = ARRAY_SIZE(a0noc_nodes),
+	.num_bus_clocks = -1, /* No bus clock scaling */
 	.intf_clocks = a0noc_intf_clocks,
 	.num_intf_clocks = ARRAY_SIZE(a0noc_intf_clocks),
 	.has_bus_pd = true,

-- 
2.39.1