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Thu, 02 Jul 2020 18:47:40 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 2 Jul 2020 19:37:39 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 3 Jul 2020 10:37:32 +0800 Received: from [10.15.20.246] (10.15.20.246) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 3 Jul 2020 10:37:32 +0800 Message-ID: <1593743784.22738.0.camel@mbjsdccf07> Subject: Re: [PATCH v5 02/10] iommu/mediatek: Rename the register STANDARD_AXI_MODE(0x48) to MISC_CTRL From: chao hao To: Yong Wu Date: Fri, 3 Jul 2020 10:36:24 +0800 In-Reply-To: <1593569872.32037.6.camel@mhfsdcap03> References: <20200629071310.1557-1-chao.hao@mediatek.com> <20200629071310.1557-3-chao.hao@mediatek.com> <1593569872.32037.6.camel@mhfsdcap03> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200702_224750_299469_2DFDCC17 X-CRM114-Status: GOOD ( 18.23 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: FY Yang , wsd_upstream@mediatek.com, Chao Hao <"chao hao"@mediatek.com>, Joerg Roedel , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Matthias Brugger Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Wed, 2020-07-01 at 10:17 +0800, Yong Wu wrote: > On Mon, 2020-06-29 at 15:13 +0800, Chao Hao wrote: > > For iommu offset=0x48 register, only the previous mt8173/mt8183 use the > > name STANDARD_AXI_MODE, all the latest SoC extend the register more > > feature by different bits, for example: axi_mode, in_order_en, coherent_en > > and so on. So rename REG_MMU_MISC_CTRL may be more proper. > > > > This patch only rename the register name, no functional change. > > > > Signed-off-by: Chao Hao > > Reviewed-by: Yong Wu > > Reviewed-by: Matthias Brugger > > --- > > drivers/iommu/mtk_iommu.c | 14 +++++++------- > > drivers/iommu/mtk_iommu.h | 2 +- > > 2 files changed, 8 insertions(+), 8 deletions(-) > > ... > > > diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h > > index ea949a324e33..1b6ea839b92c 100644 > > --- a/drivers/iommu/mtk_iommu.h > > +++ b/drivers/iommu/mtk_iommu.h > > @@ -18,7 +18,7 @@ > > #include > > > > struct mtk_iommu_suspend_reg { > > - u32 standard_axi_mode; > > + u32 misc_ctrl; > > Here will cause build fail for v1: > > drivers/iommu/mtk_iommu_v1.c:675:20: error: 'struct > mtk_iommu_suspend_reg' has no member named 'standard_axi_mode' > writel_relaxed(reg->standard_axi_mode, > ^ > > We could change something like: > > union { > u32 standard_axi_mode; /* only for v1 */ > u32 misc_ctrl; /* only for v2 */ > }; > > > u32 dcm_dis; > > u32 ctrl_reg; > > u32 int_control0; ok, I will fix it in next version, thanks > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek