From: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v8 0/4] Broadcom SBA RAID support
Date: Tue, 16 May 2017 10:02:40 +0530
Message-ID: <20170516043239.GH15061@localhost>
References: <1494824695-21797-1-git-send-email-anup.patel@broadcom.com>
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Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
        Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
        Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
        "David S . Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
        Jassi Brar <jassisinghbrar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
        Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
        Ray Jui <rjui-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
        Scott Branden <sbranden-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
        Jon Mason <jonmason-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
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To: Anup Patel <anup.patel-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
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On Mon, May 15, 2017 at 10:34:51AM +0530, Anup Patel wrote:
> The Broadcom SBA RAID is a stream-based device which provides
> RAID5/6 offload.
> 
> It requires a SoC specific ring manager (such as Broadcom FlexRM
> ring manager) to provide ring-based programming interface. Due to
> this, the Broadcom SBA RAID driver (mailbox client) implements
> DMA device having one DMA channel using a set of mailbox channels
> provided by Broadcom SoC specific ring manager driver (mailbox
> controller).
> 
> The Broadcom SBA RAID hardware requires PQ disk position instead
> of PQ disk coefficient. To address this, we have added raid_gflog
> table which will help driver to convert PQ disk coefficient to PQ
> disk position.

Applied, now

-- 
~Vinod
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