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cpufreq: qcom-cpufreq-hw: Initialize the spinlock before usage

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Initialization of the spinlock is required to avoid the below trace.

cpufreq: driver qcom-cpufreq-hw up and running
BUG: spinlock bad magic on CPU#7, swapper/0/1
lock: qcom_cpufreq_counter+0x128/0x140, .magic: 00000000,
.owner: <none>/-1, .owner_cpu: 0.

Change-Id: I079ebd7c0009c3b634d2d5d41ac880da06cf8f6d
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Taniya Das 2019-05-29 10:31:21 +05:30 • committed by Gerrit - the friendly Code Review server
commit b478324c7f
1 changed files with 4 additions and 1 deletions
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5
drivers/cpufreq/qcom-cpufreq-hw.c
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@ -438,10 +438,10 @@ static int qcom_resources_init(struct platform_device *pdev)
static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
{
int rc;
struct cpu_cycle_counter_cb cycle_counter_cb = {
.get_cpu_cycle_counter = qcom_cpufreq_get_cpu_cycle_counter,
};
int rc, cpu;
/* Get the bases of cpufreq for domains */
rc = qcom_resources_init(pdev);
@ -456,6 +456,9 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
return rc;
}
for_each_possible_cpu(cpu)
spin_lock_init(&qcom_cpufreq_counter[cpu].lock);
rc = register_cpu_cycle_counter_cb(&cycle_counter_cb);
if (rc) {
dev_err(&pdev->dev, "cycle counter cb failed to register\n");