Message-ID: <1450147239.22854.25.camel@mhfsdcap03>
Subject: Re: [PATCH v6 4/5] iommu/mediatek: Add mt8173 IOMMU driver
From: Yong Wu <yong.wu@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>
CC: Joerg Roedel <joro@8bytes.org>, Thierry Reding <treding@nvidia.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Robin Murphy <robin.murphy@arm.com>, Will Deacon <will.deacon@arm.com>,
        Daniel Kurtz <djkurtz@google.com>, Tomasz Figa <tfiga@google.com>,
        Lucas Stach <l.stach@pengutronix.de>,
        "Rob Herring" <robh+dt@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        <linux-mediatek@lists.infradead.org>,
        Sasha Hauer <kernel@pengutronix.de>, <srv_heupstream@mediatek.com>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <iommu@lists.linux-foundation.org>, <pebolle@tiscali.nl>,
        <arnd@arndb.de>, <mitchelh@codeaurora.org>, <p.zabel@pengutronix.de>,
        <yingjoe.chen@mediatek.com>
Date: Tue, 15 Dec 2015 10:40:39 +0800
In-Reply-To: <566F0821.4080507@gmail.com>
References: <1449568153-15643-1-git-send-email-yong.wu@mediatek.com>
	 <1449568153-15643-5-git-send-email-yong.wu@mediatek.com>
	 <566F0821.4080507@gmail.com>
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On Mon, 2015-12-14 at 19:19 +0100, Matthias Brugger wrote:
> 
> On 08/12/15 10:49, Yong Wu wrote:
> > This patch adds support for mediatek m4u (MultiMedia Memory Management
> > Unit).
> >
> > Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> > ---
[...]
> > +static void mtk_iommu_config(struct mtk_iommu_data *data,
> > +			     struct device *dev, bool enable)
> > +{
> > +	struct mtk_iommu_client_priv *head, *cur, *next;
> > +
> > +	head = dev->archdata.iommu;
> > +	list_for_each_entry_safe(cur, next, &head->client, client) {
> > +		mtk_smi_config_port(
> > +			data->larbdev[MTK_M4U_TO_LARB(cur->mtk_m4u_id)],
> > +			MTK_M4U_TO_PORT(cur->mtk_m4u_id), enable);
> 
> Use an extra variable for MTK_M4U_TO_LARB(cur->mtk-m4u_id), this makes 
> the code easier to read.

OK. Thanks.
I will fix it in next version.

> 
> Regards,
> Matthias
> 
> > +	}
> > +}
> > +
[...]


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