From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932563AbcE0H44 (ORCPT ); Fri, 27 May 2016 03:56:56 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:52407 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932338AbcE0H4y (ORCPT ); Fri, 27 May 2016 03:56:54 -0400 X-AuditID: cbfec7f4-f796c6d000001486-38-5747fdc25abf Subject: Re: [RESEND][PATCH] drivers: of: of_reserved_mem: fixup the CMA alignment not to affect dma-coherent To: Rob Herring , Jaewon Kim References: <1464150590-2703-1-git-send-email-jaewon31.kim@samsung.com> Cc: r64343@freescale.com, Grant Likely , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , jaewon31.kim@gmail.com From: Marek Szyprowski Message-id: <0a1e9e76-9506-a0c3-e3c5-521c7a89bfbc@samsung.com> Date: Fri, 27 May 2016 09:56:50 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-version: 1.0 In-reply-to: Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrBLMWRmVeSWpSXmKPExsVy+t/xq7qH/rqHG9y5Z2Nx4M8ORovuzTMZ LXrfv2KyuLxrDpvFvTX/WS3enD7MZNG69wi7A7vHv8P9TB47Z91l99i0qpPNY9OnSewed67t YfPo27KK0ePzJrkA9igum5TUnMyy1CJ9uwSujM/7JrAV9HJU/DnwgrGB8RRbFyMnh4SAicSa t2vYIWwxiQv31gPFuTiEBJYySqz/vAjKec4o8XrWKyaQKmGBfIk9r/aBdYgIeEts6dgEVdTH KPHl7QJ2EIdZ4BijxPltFxlBqtgEDCW63naB7eMVsJPo720Hi7MIqEps39QCZosKxEhs75rM DlEjKPFj8j0WEJtTIFji7Z4WMJtZwEziy8vDrBC2vMTmNW+ZJzAKzELSMgtJ2SwkZQsYmVcx iqaWJhcUJ6XnGuoVJ+YWl+al6yXn525ihIT/lx2Mi49ZHWIU4GBU4uFlcHYPF2JNLCuuzD3E KMHBrCTCe+8nUIg3JbGyKrUoP76oNCe1+BCjNAeLkjjv3F3vQ4QE0hNLUrNTUwtSi2CyTByc Ug2Maye/P6zy5anpu6UsO80iSjnVHu5bpKatdMynwDq4dCPXMpUJZ6RfxWxl077J/mXTvluf l9q0b5r14COH/BqdUt+lSUecXreo83//71l+ychTfD13y/YJnbHLqstNvaQ/X7M3CpXftsy1 S2LactUvnh4fE3ROWSU+czqwqmXdjBs5Z1sNVqcUK7EUZyQaajEXFScCAGuhotR7AgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 2016-05-25 16:38, Rob Herring wrote: > On Tue, May 24, 2016 at 11:29 PM, Jaewon Kim wrote: >> From: Jaewon >> >> There was an alignment mismatch issue for CMA and it was fixed by >> commit 1cc8e3458b51 ("drivers: of: of_reserved_mem: fixup the alignment with CMA setup"). >> However the way of the commit considers not only dma-contiguous(CMA) but also >> dma-coherent which has no that requirement. >> >> This patch checks more to distinguish dma-contiguous(CMA) from dma-coherent. >> >> Signed-off-by: Jaewon Kim > I suppose this needs to go to stable? If so, adding the stable tag and > kernel version would be nice so I don't have to. > >> --- >> drivers/of/of_reserved_mem.c | 5 ++++- >> 1 file changed, 4 insertions(+), 1 deletion(-) > I'm looking for an ack from Marek on this. Acked-by: Marek Szyprowski Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland