From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails Date: Mon, 9 Nov 2015 17:29:41 -0600 Message-ID: <56412C65.40505@codeaurora.org> References: <1447034266-28003-1-git-send-email-okaya@codeaurora.org> <4041362.9GKaSPm9gs@wuerfel> <5640A8A8.90203@codeaurora.org> <6940177.lD0iNnWRJy@wuerfel> <56412AAE.80004@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:42186 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751157AbbKIX3o (ORCPT ); Mon, 9 Nov 2015 18:29:44 -0500 In-Reply-To: <56412AAE.80004@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Sinan Kaya , Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org, Hannes Reinecke , linux-scsi@vger.kernel.org, cov@codeaurora.org, jcm@redhat.com, Abhijit Mahajan , Nagalakshmi Nandigama , linux-arm-msm@vger.kernel.org, "James E.J. Bottomley" , linux-kernel@vger.kernel.org, Sreekanth Reddy , Praveen Krishnamoorthy , agross@codeaurora.org, MPT-FusionLinux.pdl@avagotech.com On 11/09/2015 05:22 PM, Sinan Kaya wrote: > > if (ioc->dma_mask) > consistent_dma_mask = DMA_BIT_MASK(64); > else > consistent_dma_mask = DMA_BIT_MASK(32); <-- why here? So this change is from this patch: http://permalink.gmane.org/gmane.linux.kernel/1759343 Note that this was discussed back in February: https://lkml.org/lkml/2015/2/20/2 -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.