linux-kernel - Re: [PATCH] scsi: qla1280: set 64bit coherent mask

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Message-ID: <yq1r2div9fd.fsf@oracle.com>
Date:   Fri, 11 Jan 2019 22:31:18 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Thomas Bogendoerfer <tbogendoerfer@...e.de>
Cc:     Michael Reed <mdr@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: qla1280: set 64bit coherent mask


Thomas,

> Reason is that SGI IP27 always generates 64bit DMA addresses and has
> no fallback mode for 32bit DMA addresses implemented. QLA1280
> supports 64bit addressing for all DMA accesses so setting coherent mask
> to 64bit fixes the issue.

Applied to 5.0/scsi-fixes, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering