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Date:   Mon, 18 Feb 2019 09:57:44 +0000
From:   Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
CC:     "robin.murphy@....com" <robin.murphy@....com>,
        "andrew.murray@....com" <andrew.murray@....com>,
        "jean-philippe.brucker@....com" <jean-philippe.brucker@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "Guohanjun (Hanjun Guo)" <guohanjun@...wei.com>,
        John Garry <john.garry@...wei.com>,
        "pabba@...eaurora.org" <pabba@...eaurora.org>,
        "vkilari@...eaurora.org" <vkilari@...eaurora.org>,
        "rruigrok@...eaurora.org" <rruigrok@...eaurora.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linuxarm <linuxarm@...wei.com>,
        "neil.m.leeder@...il.com" <neil.m.leeder@...il.com>
Subject: RE: [PATCH v6 1/4] acpi: arm64: add iort support for PMCG



> -----Original Message-----
> From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@....com]
> Sent: 15 February 2019 11:40
> To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@...wei.com>
> Cc: robin.murphy@....com; andrew.murray@....com;
> jean-philippe.brucker@....com; will.deacon@....com;
> mark.rutland@....com; Guohanjun (Hanjun Guo) <guohanjun@...wei.com>;
> John Garry <john.garry@...wei.com>; pabba@...eaurora.org;
> vkilari@...eaurora.org; rruigrok@...eaurora.org; linux-acpi@...r.kernel.org;
> linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Linuxarm
> <linuxarm@...wei.com>; neil.m.leeder@...il.com
> Subject: Re: [PATCH v6 1/4] acpi: arm64: add iort support for PMCG
> 
[...]

> > +/*
> > + * PMCG model identifiers for use in smmu pmu driver. Please note
> > + * that, this is not part of the IORT specification.
> 
> And it is a Linux internal tag that has nothing to do with HW, it is just fabricated
> for matching a driver, I would like to have this clarified in the comment please.
> 
> I would have avoided adding another hook to differentiate platform data but
> given that it is self-contained in IORT code that should be fine for the sake of
> making progress:
> 
> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>

Thanks. I will wait for review of main driver patches and then will sent out a
revised one incorporating your comments on this.

Thanks,
Shameer

> > + */
> > +#define IORT_SMMU_V3_PMCG_GENERIC        0x00000000 /* Generic
> SMMUv3 PMCG */
> > +
> >  int iort_register_domain_token(int trans_id, phys_addr_t base,
> >  			       struct fwnode_handle *fw_node);  void
> > iort_deregister_domain_token(int trans_id);
> > --
> > 2.7.4
> >
> >

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