Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20210203090727.789939-1-zhang.lyra@gmail.com> <20210203090727.789939-3-zhang.lyra@gmail.com>
 <eb55a1de-2816-9029-b642-b3067e311417@infradead.org>
In-Reply-To: <eb55a1de-2816-9029-b642-b3067e311417@infradead.org>
From:   Chunyan Zhang <zhang.lyra@gmail.com>
Date:   Thu, 4 Feb 2021 11:18:16 +0800
Message-ID: <CAAfSe-sKqzub08kBgYNimBwbaf5s-Ed=Ef3PcMvA_8YTYsDwUw@mail.gmail.com>
Subject: Re: [PATCH v3 2/2] iommu: add Unisoc iommu basic driver
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     Robin Murphy <robin.murphy@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Joerg Roedel <joro@8bytes.org>,
        Linux IOMMU <iommu@lists.linux-foundation.org>,
        DTML <devicetree@vger.kernel.org>,
        Baolin Wang <baolin.wang7@gmail.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Orson Zhai <orsonzhai@gmail.com>,
        Sheng Xu <sheng.xu@unisoc.com>,
        Chunyan Zhang <chunyan.zhang@unisoc.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Thu, 4 Feb 2021 at 01:44, Randy Dunlap <rdunlap@infradead.org> wrote:
>
> On 2/3/21 1:07 AM, Chunyan Zhang wrote:
> > diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> > index 192ef8f61310..99e7712f3903 100644
> > --- a/drivers/iommu/Kconfig
> > +++ b/drivers/iommu/Kconfig
> > @@ -408,4 +408,16 @@ config VIRTIO_IOMMU
> >
> >         Say Y here if you intend to run this kernel as a guest.
> >
> > +config SPRD_IOMMU
> > +     tristate "Unisoc IOMMU Support"
> > +     depends on ARCH_SPRD || COMPILE_TEST
> > +     select IOMMU_API
> > +     help
> > +       Support for IOMMU on Unisoc's SoCs, this iommu can be used by
>
>         s/iommu/IOMMU/ please

Sure, thanks.

Chunyan

>
> > +       Unisoc's multimedia devices, such as display, Image codec(jpeg)
> > +       and a few signal processors, including VSP(video), GSP(graphic),
> > +       ISP(image), and CPP(camera pixel processor), etc.
> > +
> > +       Say Y here if you want to use the multimedia devices listed above.
>
>
> --
> ~Randy