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Wed, 14 Jul 2021 08:32:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yQ8dkgZJRenJ for ; Wed, 14 Jul 2021 08:32:26 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by smtp1.osuosl.org (Postfix) with ESMTPS id 93B9380A4B for ; Wed, 14 Jul 2021 08:32:26 +0000 (UTC) Received: from [IPv6:2a02:810a:880:f54:e49e:3ed0:1a77:5623] (unknown [IPv6:2a02:810a:880:f54:e49e:3ed0:1a77:5623]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dafna) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 70D611F42AB2; Wed, 14 Jul 2021 09:32:11 +0100 (BST) Subject: Re: [PATCH v6 09/11] memory: mtk-smi: Get rid of mtk_smi_larb_get/put To: Yong Wu , Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , Mauro Carvalho Chehab References: <20210714025626.5528-1-yong.wu@mediatek.com> <20210714025626.5528-10-yong.wu@mediatek.com> From: Dafna Hirschfeld Message-ID: Date: Wed, 14 Jul 2021 10:32:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210714025626.5528-10-yong.wu@mediatek.com> Content-Language: en-US Cc: Xia Jiang , Chun-Kuang Hu , Will Deacon , dri-devel@lists.freedesktop.org, anthony.huang@mediatek.com, youlin.pei@mediatek.com, Nicolas Boichat , Evan Green , Eizan Miyamoto , Matthias Kaehlcke , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel , yi.kuo@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , ming-fan.chen@mediatek.com, Tiffany Lin , linux-arm-kernel@lists.infradead.org, anan.sun@mediatek.com, srv_heupstream@mediatek.com, acourbot@chromium.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Daniel Vetter , Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 14.07.21 04:56, Yong Wu wrote: > After adding device_link between the iommu consumer and smi-larb, > the pm_runtime_get(_sync) of smi-larb and smi-common will be called > automatically. we can get rid of mtk_smi_larb_get/put. > > CC: Matthias Brugger > Signed-off-by: Yong Wu > Reviewed-by: Evan Green > Acked-by: Krzysztof Kozlowski > Acked-by: Matthias Brugger Reviewed-by: Dafna Hirschfeld > --- > drivers/memory/mtk-smi.c | 14 -------------- > include/soc/mediatek/smi.h | 20 -------------------- > 2 files changed, 34 deletions(-) > > diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c > index c5fb51f73b34..7c61c924e220 100644 > --- a/drivers/memory/mtk-smi.c > +++ b/drivers/memory/mtk-smi.c > @@ -134,20 +134,6 @@ static void mtk_smi_clk_disable(const struct mtk_smi *smi) > clk_disable_unprepare(smi->clk_apb); > } > > -int mtk_smi_larb_get(struct device *larbdev) > -{ > - int ret = pm_runtime_resume_and_get(larbdev); > - > - return (ret < 0) ? ret : 0; > -} > -EXPORT_SYMBOL_GPL(mtk_smi_larb_get); > - > -void mtk_smi_larb_put(struct device *larbdev) > -{ > - pm_runtime_put_sync(larbdev); > -} > -EXPORT_SYMBOL_GPL(mtk_smi_larb_put); > - > static int > mtk_smi_larb_bind(struct device *dev, struct device *master, void *data) > { > diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h > index 15e3397cec58..11f7d6b59642 100644 > --- a/include/soc/mediatek/smi.h > +++ b/include/soc/mediatek/smi.h > @@ -19,26 +19,6 @@ struct mtk_smi_larb_iommu { > unsigned char bank[32]; > }; > > -/* > - * mtk_smi_larb_get: Enable the power domain and clocks for this local arbiter. > - * It also initialize some basic setting(like iommu). > - * mtk_smi_larb_put: Disable the power domain and clocks for this local arbiter. > - * Both should be called in non-atomic context. > - * > - * Returns 0 if successful, negative on failure. > - */ > -int mtk_smi_larb_get(struct device *larbdev); > -void mtk_smi_larb_put(struct device *larbdev); > - > -#else > - > -static inline int mtk_smi_larb_get(struct device *larbdev) > -{ > - return 0; > -} > - > -static inline void mtk_smi_larb_put(struct device *larbdev) { } > - > #endif > > #endif > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu