Messages in this thread | | | Date | Fri, 23 Jun 2023 10:08:56 -0700 | From | Bjorn Andersson <> | Subject | Re: [PATCH] cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths |
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On Fri, Jun 23, 2023 at 10:57:07AM -0500, Andrew Halaney wrote: > This way, if there's an issue (in this case a -EPROBE_DEFER), you can > get useful output: > > [root@dhcp19-243-150 ~]# cat /sys/kernel/debug/devices_deferred > 18591000.cpufreq qcom-cpufreq-hw: Failed to find icc paths > > Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Regards, Bjorn
> --- > drivers/cpufreq/qcom-cpufreq-hw.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c > index a78d7a27b4b5..f2830371d25f 100644 > --- a/drivers/cpufreq/qcom-cpufreq-hw.c > +++ b/drivers/cpufreq/qcom-cpufreq-hw.c > @@ -661,7 +661,7 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev) > > ret = dev_pm_opp_of_find_icc_paths(cpu_dev, NULL); > if (ret) > - return ret; > + return dev_err_probe(dev, ret, "Failed to find icc paths\n"); > > for (num_domains = 0; num_domains < MAX_FREQ_DOMAINS; num_domains++) > if (!platform_get_resource(pdev, IORESOURCE_MEM, num_domains)) > -- > 2.40.1 >
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