linux-kernel - Re: [PATCH v6 0/4] Broadcom SBA RAID support

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Message-ID: <20170321091829.GZ2843@localhost>
Date:   Tue, 21 Mar 2017 14:48:29 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Anup Patel <anup.patel@...adcom.com>
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Dan Williams <dan.j.williams@...el.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        Rob Rice <rob.rice@...adcom.com>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        dmaengine@...r.kernel.org,
        Device Tree <devicetree@...r.kernel.org>,
        Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        linux-crypto@...r.kernel.org,
        linux-raid <linux-raid@...r.kernel.org>
Subject: Re: [PATCH v6 0/4] Broadcom SBA RAID support

On Tue, Mar 21, 2017 at 02:17:21PM +0530, Anup Patel wrote:
> On Tue, Mar 21, 2017 at 2:00 PM, Vinod Koul <vinod.koul@...el.com> wrote:
> > On Mon, Mar 06, 2017 at 03:13:24PM +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.
> >>
> >> This patchset is based on Linux-4.11-rc1 and depends on patchset
> >> "[PATCH v5 0/2] Broadcom FlexRM ring manager support"
> >
> > Okay I applied and was about to push when I noticed this :(
> >
> > So what is the status of this..?
> 
> PATCH2 is Acked but PATCH1 is under-review. Currently, its
> v6 of that patchset.
> 
> The only dependency on that patchset is the changes in
> brcm-message.h which are required by this BCM-SBA-RAID
> driver.
> 
> @Jassi,
> Can you please have a look at PATCH v6?

And I would need an immutable branch/tag once merged. I am going to keep
this series pending till then.

-- 
~Vinod