[PATCH] drivers: CCI: add ARM CCI PMU support
Kumar Gala
galak at codeaurora.org
Wed Aug 14 17:09:16 EDT 2013
On Aug 14, 2013, at 4:06 PM, Stephen Warren wrote:
> On 07/23/2013 03:19 AM, Punit Agrawal wrote:
>> The CCI PMU can profile bus transactions at the master and slave
>> interfaces of the CCI. The PMU can be used to observe an aggregated view
>> of the bus traffic between the various components connected to the CCI.
>>
>> Extend the existing CCI driver to support the PMU by registering a perf
>> backend for it.
>>
>> Document the device tree binding to describe the CCI PMU.
>
>> diff --git a/Documentation/devicetree/bindings/arm/cci.txt b/Documentation/devicetree/bindings/arm/cci.txt
>
>> + - CCI PMU node
>> +
>> + Node name must be "pmu".
>
> I don't think the binding should require the node to have a particular
> name; node names shouldn't be interpret/used/relied-upon by drivers.
While I agree with that, we should be aiming for some convention and consistency with node names.
- k
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
More information about the linux-arm-kernel
mailing list