RE: [PATCH v2 0/4] perf drivers: Add sysfs identifier file

From: Joakim Zhang <qiangqing.zhang@nxp.com>
To: John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
	"zhangshaokun@hisilicon.com" <zhangshaokun@hisilicon.com>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	Frank Li <frank.li@nxp.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>
Cc: "catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	"kernel-team@android.com" <kernel-team@android.com>,
	"acme@kernel.org" <acme@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"irogers@google.com" <irogers@google.com>,
	"jolsa@redhat.com" <jolsa@redhat.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linuxarm@huawei.com" <linuxarm@huawei.com>
Subject: RE: [PATCH v2 0/4] perf drivers: Add sysfs identifier file
Date: Thu, 26 Nov 2020 01:35:04 +0000	[thread overview]
Message-ID: <DB8PR04MB67957DF5D757E4A52DE177BCE6F90@DB8PR04MB6795.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <2a24a5c9-fa9f-f402-9b43-29d1f8241a17@huawei.com>

> -----Original Message-----
> From: John Garry <john.garry@huawei.com>
> Sent: 2020年11月26日 0:00
> To: Will Deacon <will@kernel.org>; Joakim Zhang
> <qiangqing.zhang@nxp.com>; zhangshaokun@hisilicon.com;
> mark.rutland@arm.com; Frank Li <frank.li@nxp.com>; robh+dt@kernel.org
> Cc: catalin.marinas@arm.com; kernel-team@android.com; acme@kernel.org;
> linux-kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> irogers@google.com; jolsa@redhat.com; devicetree@vger.kernel.org;
> linuxarm@huawei.com
> Subject: Re: [PATCH v2 0/4] perf drivers: Add sysfs identifier file
> 
> On 25/11/2020 15:44, Will Deacon wrote:
> > Applied the hisi and smmu parts to will (for-next/perf), thanks!
> >
> > [1/4] drivers/perf: hisi: Add identifier sysfs file
> >
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.
> >
> kernel.org%2Fwill%2Fc%2Fac4511c9364c&amp;data=04%7C01%7Cqiangqing.z
> han
> >
> g%40nxp.com%7Cbc2c0da5b8c04caccd1708d8915b44fd%7C686ea1d3bc2b4c6
> fa92cd
> >
> 99c5c301635%7C0%7C0%7C637419168472681071%7CUnknown%7CTWFpbGZ
> sb3d8eyJWI
> >
> joiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1
> 000&a
> >
> mp;sdata=W2ZFzaMWJgpQncG4HF2x8EaWc0FkYJ69E8rVaFikJEQ%3D&amp;re
> served=0
> > [...]
> > [4/4] perf/smmuv3: Support sysfs identifier file
> >
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.
> >
> kernel.org%2Fwill%2Fc%2F2c255223362e&amp;data=04%7C01%7Cqiangqing.
> zhan
> >
> g%40nxp.com%7Cbc2c0da5b8c04caccd1708d8915b44fd%7C686ea1d3bc2b4c6
> fa92cd
> >
> 99c5c301635%7C0%7C0%7C637419168472681071%7CUnknown%7CTWFpbGZ
> sb3d8eyJWI
> >
> joiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1
> 000&a
> >
> mp;sdata=lfmEr2GO9iySRp24zWTObHkWAXEo3an6TxA%2BzXpDlvk%3D&amp;
> reserved
> > =0
> >
> 
> Thanks.
> 
> > I've completely lost track of the imx ddr PMU, so I dropped those
> > parts (patch 3/4 seemed to remove a compatible string from the driver?).
> >
> 
> 2/4 needed to be dropped anyway.
> 
> @Joakim, can you resend 3/4? And I think that we should keep the explicit
> support for "fsl,imx8m-ddr-pmu" as a good practice in imx_ddr_pmu_dt_ids[],
> while also adding the soc-specific sub compat string support

Yes, thanks John. I will follow up.

Best Regards,
Joakim Zhang
> John