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[209.132.180.67]) by mx.google.com with ESMTP id a7-v6si25329069pgd.338.2018.05.29.00.11.08; Tue, 29 May 2018 00:11:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=i3Tg2Wgq; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932292AbeE2HJY (ORCPT + 99 others); Tue, 29 May 2018 03:09:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:37340 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932114AbeE2HJT (ORCPT ); Tue, 29 May 2018 03:09:19 -0400 Received: from localhost (unknown [122.167.97.238]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D793D208A3; Tue, 29 May 2018 07:09:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1527577758; bh=G9YKEzvce6RfFyEDHZBFjUoFN3J2Bu4TEu7ccSEeED8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=i3Tg2WgqKh6AL6yIoRVBgf3YttpKvVNtXbP3zGLBPAK5tIyzvETKtcsKKIHodhfrW yIiwP1XBbqhxvTJqfWAFyMKxO+DGaKGOf5NqRoTr17ITv8zCXzSfUy51sKySpotNVt yx3sokwBVk4GSEg5aYUhcSEyxbRsRfGMkmZODwS4= Date: Tue, 29 May 2018 12:39:15 +0530 From: Vinod To: Marek Szyprowski Cc: Frank Mori Hess , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Williams , r.baldyga@hackerion.com, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Linux Samsung SOC Subject: Re: Revert "dmaengine: pl330: add DMA_PAUSE feature" Message-ID: <20180529070915.GF5666@vkoul-mobl> References: <06f54061-c537-b399-e493-ec2cdf4def5d@samsung.com> <20180515062144.GC13271@vkoul-mobl> <20180517041946.GQ13271@vkoul-mobl> <20180518040349.GB2932@vkoul-mobl> <7f0b7404-ee12-977f-02a4-a463d1873aee@samsung.com> <20180518072112.GG2932@vkoul-mobl> <20180529051745eucas1p2ee6ec3e34f075d255c87f8f54a626784~zBcpaqmAb1928519285eucas1p2H@eucas1p2.samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180529051745eucas1p2ee6ec3e34f075d255c87f8f54a626784~zBcpaqmAb1928519285eucas1p2H@eucas1p2.samsung.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29-05-18, 07:17, Marek Szyprowski wrote: > Hi Vinod, > > On 2018-05-18 09:21, Vinod wrote: > > On 18-05-18, 08:28, Marek Szyprowski wrote: > >> Hi Vinod, > >> > >> Okay, I see that in theory, there are some tricky bits in implementing DMA > >> support in UART drivers. On the other hand there are already drivers > >> with seems > >> to be working fine. This discussion is about revert of the feature > >> present in > >> pl330 driver, which is required by other in-kernel driver without proper > >> fix to > >> them. > >> > >> Can we drop it for now and discuss what and how should be implemented to > >> make > >> everyone happy, without any regressions? > > Sure am dropping the revert, we can always bring it back if it is required > > This revert is still in your -next branch. Do you plan to update it as well? I dont send it to linus and merge topic/* into for-linus and send. It gets updated on rebase on -rc1. -- ~Vinod