Messages in this thread |  | | Subject | Re: [PATCH 2/2] perf: add arm64 smmuv3 pmu driver | From | Neil Leeder <> | Date | Sun, 1 Apr 2018 01:44:41 -0400 |
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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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