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spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Date:To:From: Subject:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ENQtT7aUK8+dIl6vPG3FJo3XPisKiH23KuTmg6VtP2g=; b=X671FaDmNC05/eD8XCXJ8AEbX S7zWjDCviOQKIsqlFsIV3HYLQt2SpSB2jEt5xBauCawKgTAmaVvPPz3UGGWGM3CwyLMNNCMG/pKxZ Ta6oObdhV2Yr1YF6hBMVhhwd27sYaZYhl29aYNVmGHaeoOwepomUvk9omH/D9sc+/SfsdwntwhAqK w7c0UklJQ5uwVBFTJCfEh3MviM/8AYwj+mRG20Qa8rNOi4lZXa5mgaJHYqIhrC72LQSwWr2gtKccW BJ30qE7pqhxKF/NYehxwG/OUzkrP0IlhJBOF/CC2qbyTXFCUEWI3fXfKx4FB47a3uvBr/uxzmr8io oFQ8x1hkg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kwgs5-0001gG-R1; 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Mon, 4 Jan 2021 23:25:01 -0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 5 Jan 2021 15:24:57 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 5 Jan 2021 15:24:56 +0800 Message-ID: <1609831496.23685.7.camel@mhfsdcap03> Subject: Re: i2c: mediatek: Fix apdma and i2c hand-shake timeout From: Qii Wang To: Wolfram Sang Date: Tue, 5 Jan 2021 15:24:56 +0800 In-Reply-To: <20210104183202.GD935@ninjato> References: <1608812767-3254-1-git-send-email-qii.wang@mediatek.com> <20210104182959.GC935@ninjato> <20210104183202.GD935@ninjato> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 8622BB2201912994D94D12F5823443A0F8E2910C300CEAE4236ECE2AE31BE4892000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210105_023508_942197_DCE68B11 X-CRM114-Status: GOOD ( 14.22 ) 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: srv_heupstream@mediatek.com, leilk.liu@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-i2c@vger.kernel.org, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org 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 Mon, 2021-01-04 at 19:32 +0100, Wolfram Sang wrote: > On Mon, Jan 04, 2021 at 07:29:59PM +0100, Wolfram Sang wrote: > > On Thu, Dec 24, 2020 at 08:26:07PM +0800, qii.wang@mediatek.com wrote: > > > From: Qii Wang > > > > > > With the apdma remove hand-shake signal, it requirs special > > > operation timing to reset i2c manually, otherwise the interrupt > > > will not be triggered, i2c transmission will be timeout. > > > > > > Signed-off-by: Qii Wang > > > > Applied to for-current, thanks! > > Any Fixes:-Tag we could add? > Could you help me add: Fixes: 8426fe70cfa4("i2c: mediatek: Add apdma sync in i2c driver") Thanks _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek