On Wed, Jan 31, 2018 at 12:10:47PM +, Shameerali Kolothum Thodi wrote:
[...]
> > I went back and re-read the patches, I think the point here is that the
> > perf driver (ie PATCH 2 that, by the way, is not maiinline) uses
> > devm_ioremap_resource() to map the counters and that's what is caus
; Mark Brown
> ; Mark Salter ; linux-arm-
> ker...@lists.infradead.org; Will Deacon ; Mark
> Rutland ; Linuxarm
> Subject: Re: [PATCH 1/2] acpi: arm64: add iort support for PMCG
>
> On Tue, Jan 30, 2018 at 10:39:20AM +, Shameerali Kolothum Thodi wrote:
> > Hi
04, 2017 8:59 PM
> > To: Will Deacon ; Mark Rutland
> >
> > Cc: Mark Langsdorf ; Jon Masters
> > ; Timur Tabi ; linux-
> > ker...@vger.kernel.org; Mark Brown ; Mark Salter
> > ; nlee...@codeaurora.org; linux-arm-
> > ker...@lists.infradead.org
> > Subjec
imur Tabi ; linux-
> ker...@vger.kernel.org; Mark Brown ; Mark Salter
> ; nlee...@codeaurora.org; linux-arm-
> ker...@lists.infradead.org
> Subject: [PATCH 1/2] acpi: arm64: add iort support for PMCG
>
> Add support for the SMMU Performance Monitor Counter Group
> information from
Hi Lorenzo,
On 8/7/2017 12:44 PM, Lorenzo Pieralisi wrote:
> On Fri, Aug 04, 2017 at 03:59:13PM -0400, Neil Leeder wrote:
[...]
>> +} else if (iort_node->type == ACPI_IORT_NODE_PMCG) {
>> +if (iort_add_smmu_platform_device(iort_node))
>> +
Hi Robin,
Thank you for the review.
On 8/7/2017 7:17 AM, Robin Murphy wrote:
> Hi Neil,
>
> On 04/08/17 20:59, Neil Leeder wrote:
[...]
>> +res[1].start = pmcg->base_address + SZ_64K;
>
> Ugh, I see there's a nasty spec hole here - IORT only defines one base
> address, but SMMUv3 says *both*
On Fri, Aug 04, 2017 at 03:59:13PM -0400, Neil Leeder wrote:
> Add support for the SMMU Performance Monitor Counter Group
> information from ACPI. This is in preparation for its use
> in the SMMU v3 PMU driver.
>
> Signed-off-by: Neil Leeder
> ---
> drivers/acpi/arm64/iort.c | 54
>
Hi Neil,
On 04/08/17 20:59, Neil Leeder wrote:
> Add support for the SMMU Performance Monitor Counter Group
> information from ACPI. This is in preparation for its use
> in the SMMU v3 PMU driver.
>
> Signed-off-by: Neil Leeder
> ---
> drivers/acpi/arm64/iort.c | 54
> +
Add support for the SMMU Performance Monitor Counter Group
information from ACPI. This is in preparation for its use
in the SMMU v3 PMU driver.
Signed-off-by: Neil Leeder
---
drivers/acpi/arm64/iort.c | 54 +++
include/acpi/actbl2.h | 9 +++-
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