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header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rbLGgHg6"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X0f5/oBh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 10ECE2084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sUaRxFKnqaWBisAyEZKYyjhjcaj6K7TC4FF59y2j+5o=; 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AN5hxlbNvNb9V2Zo5bFZjPWPFTxOteM0omUAS+QopwU0yPLLGJVf2iCmItHcUXI+r2JwH1CJ jrHWeQEI2ucSKsNa8FllDmG/fQ== Message-ID: <314567ce-1569-8d78-08f3-3b8b7692e599@gmail.com> Date: Mon, 17 Jun 2019 12:19:37 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1560169080-27134-11-git-send-email-yong.wu@mediatek.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190617_031941_691361_C686B565 X-CRM114-Status: GOOD ( 21.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, anan.sun@mediatek.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/06/2019 14:17, Yong Wu wrote: > In mt8173 and mt8183, 0x48 is REG_MMU_STANDARD_AXI_MODE while it is > REG_MMU_CTRL in the other SoCs, and the bits meaning is completely > different with the REG_MMU_STANDARD_AXI_MODE. > > This patch moves this property to plat_data, it's also a preparing > patch for mt8183. > > Signed-off-by: Yong Wu > Reviewed-by: Nicolas Boichat > Reviewed-by: Evan Green Reviewed-by: Matthias Brugger > --- > drivers/iommu/mtk_iommu.c | 4 ++-- > drivers/iommu/mtk_iommu.h | 2 +- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c > index d38dfa2..8ac7034 100644 > --- a/drivers/iommu/mtk_iommu.c > +++ b/drivers/iommu/mtk_iommu.c > @@ -557,8 +557,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) > } > writel_relaxed(0, data->base + REG_MMU_DCM_DIS); > > - /* It's MISC control register whose default value is ok except mt8173.*/ > - if (data->plat_data->m4u_plat == M4U_MT8173) > + if (data->plat_data->reset_axi) > writel_relaxed(0, data->base + REG_MMU_STANDARD_AXI_MODE); > > if (devm_request_irq(data->dev, data->irq, mtk_iommu_isr, 0, > @@ -752,6 +751,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) > .m4u_plat = M4U_MT8173, > .has_4gb_mode = true, > .has_bclk = true, > + .reset_axi = true, > .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ > }; > > diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h > index 61fd5d6..55d73c1 100644 > --- a/drivers/iommu/mtk_iommu.h > +++ b/drivers/iommu/mtk_iommu.h > @@ -46,7 +46,7 @@ struct mtk_iommu_plat_data { > > /* HW will use the EMI clock if there isn't the "bclk". */ > bool has_bclk; > - > + bool reset_axi; > unsigned char larbid_remap[MTK_LARB_NR_MAX]; > }; > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel