linux-kernel - [PATCH v2 1/2] cpufreq: qcom: fix compatibility issue with old binding

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Message-Id: <20200422201216.10593-1-ansuelsmth@gmail.com>
Date:   Wed, 22 Apr 2020 22:12:15 +0200
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Viresh Kumar <vireshk@...nel.org>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ilia Lin <ilia.lin@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Sricharan R <sricharan@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] cpufreq: qcom: fix  compatibility issue with old binding

Binding has changed from operating-points-v2-kryo-cpu to
operating-points-v2-qcom-cpu. Also check for old binding in driver
probe.

Fixes: a8811ec764f9 ("cpufreq: qcom: Add support for krait based socs")
Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/cpufreq/qcom-cpufreq-nvmem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index a1b8238872a2..9e9279162b5b 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -278,6 +278,10 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
 		return -ENOENT;
 
 	ret = of_device_is_compatible(np, "operating-points-v2-qcom-cpu");
+	if (!ret)
+		ret = of_device_is_compatible(np,
+					      "operating-points-v2-kryo-cpu");
+
 	if (!ret) {
 		of_node_put(np);
 		return -ENOENT;
-- 
2.25.1