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SubjectRe: [PATCH 2/2] perf: add arm64 smmuv3 pmu driver
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Hi Yisheng Xie,

On 3/29/2018 03:03 AM, Yisheng Xie wrote:
>
> Hi Neil,
>
> On 2017/8/5 3:59, Neil Leeder wrote:
>> +    mem_resource_0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> +    mem_map_0 = devm_ioremap_resource(&pdev->dev, mem_resource_0);
>> +
> Can we use devm_ioremap instead? for the reg_base of smmu_pmu is
> IMPLEMENTATION DEFINED. If the reg of smmu_pmu is inside smmu,
> devm_ioremap_resource will failed and return -EBUSY, eg.:
>
>  smmu reg ranges:        0x180000000 ~ 0x1801fffff
>  its smmu_pmu reg ranges:    0x180001000 ~ 0x180001fff
>
Just to let you know that I no longer work at Qualcomm and I won't be
able to provide updates to this patchset. I expect that others from my
former team at Qualcomm will pick up ownership.

Neil

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