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Date:   Tue, 25 Jun 2019 08:00:00 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Fredrik Noring <noring@nocrew.org>
Cc:     Christoph Hellwig <hch@lst.de>, Guenter Roeck <linux@roeck-us.net>,
        laurentiu.tudor@nxp.com, stern@rowland.harvard.edu,
        gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
        marex@denx.de, leoyang.li@nxp.com, linux-kernel@vger.kernel.org,
        robin.murphy@arm.com, JuergenUrban@gmx.de
Subject: Re: [PATCH v7 3/5] usb: host: ohci-sm501: init genalloc for local
 memory
Message-ID: <20190625060000.GA28986@lst.de>
References: <20190611133223.GA30054@roeck-us.net> <20190611172654.GA2602@sx9> <20190611190343.GA18459@roeck-us.net> <20190613134033.GA2489@sx9> <bdfd2178-9e3c-dc15-6aa1-ec1f1fbcb191@roeck-us.net> <20190613153414.GA909@sx9> <3f2164cd-7655-b7cc-ec57-d8751886728c@roeck-us.net> <20190614142816.GA2574@sx9> <20190624063515.GA3296@lst.de> <20190624125916.GA2516@sx9>
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On Mon, Jun 24, 2019 at 02:59:16PM +0200, Fredrik Noring wrote:
> Hi Christoph,
> 
> > Can you send me the patch formally so that I can queue it up for the
> > dma-mapping tree?
> 
> That patch would be detrimental to local memory devices, as previously
> discussed, so I would like to suggest a much better approach, as shown below,
> where allocations are aligned as required but not necessarily much more than
> that.

This looks sensible to me.  Can you submit it with a proper patch
description and split into a separate patch for genalloc vs the user of
the new interface?