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From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Ankit Jindal <ankit.jindal-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
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	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Varka Bhadram"
	<varkabhadram-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Russell King - ARM Linux"
	<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	"Greg Kroah-Hartman"
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	"Anup Patel" <anup-aa5cPYPs4nSSZfiimGR9Ow@public.gmane.org>,
	"Guenter Roeck" <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	"patches-qTEPVZfXA3Y@public.gmane.org"
	<patches-qTEPVZfXA3Y@public.gmane.org>,
	"Rob Herring" <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"Hans J. Koch" <hjk-vqZO0P4V72/QD6PfKP4TzA@public.gmane.org>,
	"Tushar Jagad"
	<tushar.jagad-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"Kumar Gala" <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	"Andreas Färber" <afaerber-l3A5Bk7waGM@public.gmane.org>
Subject: Re: [PATCH v5 5/6] Documentation: dt-bindings: Add binding info for X-Gene QMTM UIO driver
Date: Tue, 18 Nov 2014 14:10:35 +0100	[thread overview]
Message-ID: <1503477.DVdkExccIe@wuerfel> (raw)
In-Reply-To: <CAPTm99WYNyxtY-NCVN8pB0HwNPn+EFx-7w7yEevaEK1z7-Zqxg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Tuesday 18 November 2014 14:59:54 Ankit Jindal wrote:
> On 17 November 2014 16:47, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org> wrote:
> > On Monday 17 November 2014 16:06:11 Ankit Jindal wrote:
> >> +
> >> +       qmtm1_uio: qmtm_uio@1f200000 {
> >> +               compatible = "apm,xgene-qmtm";
> >> +               status = "disabled";
> >> +               reg = <0x0 0x1f200000 0x0 0x10000>,
> >> +                     <0x0 0x1b000000 0x0 0x400000>;
> >> +               reg-names = "csr", "fabric";
> >> +               qpool-memory = <&qmtm1_uio_qpool>;
> >> +               clocks = <&qmtm1clk 0>;
> >> +               num-queues = <0x400>;
> >> +               devid = <1>;
> >> +       };
> >> +
> >
> > To make my previous review comments clearer:
> >
> > NAK
> >
> > Do not create device nodes that are meant for a specific use case in
> > software and that are not usable for the common case. I don't think
> > it makes any sense to keep on submitting a UIO driver for this until
> > we have a proper network driver that uses this so we can make sure we
> > have a working binding.
> 
> The dataplane frameworks like OpenDataPlane etc, need to have access
> to complete subsystem from the user space. Hence, we would like to
> have this driver and some other UIO drivers to be the part of kernel
> to have data plane frameworks working on our platform.

Please work with the people that do the in-kernel QMTM driver to come
up with a common binding then.

	Arnd
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  parent reply	other threads:[~2014-11-18 13:10 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-17 10:36 [PATCH v5 0/6] UIO driver for APM X-Gene QMTM Ankit Jindal
2014-11-17 10:36 ` [PATCH v5 1/6] uio: code style cleanup Ankit Jindal
2014-11-17 10:36 ` [PATCH v5 2/6] uio: Add new UIO_MEM_PHYS_CACHE type for mem regions Ankit Jindal
2014-11-27  0:01   ` Greg Kroah-Hartman
     [not found]     ` <20141127000147.GC5313-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-12-08 12:43       ` Ankit Jindal
2014-11-17 10:36 ` [PATCH v5 3/6] Documentation: Update documentation for UIO_MEM_PHYS_CACHE Ankit Jindal
     [not found] ` <1416220572-13381-1-git-send-email-ankit.jindal-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-11-17 10:36   ` [PATCH v5 4/6] uio: Add X-Gene QMTM UIO driver Ankit Jindal
2014-11-17 10:36 ` [PATCH v5 5/6] Documentation: dt-bindings: Add binding info for " Ankit Jindal
     [not found]   ` <1416220572-13381-6-git-send-email-ankit.jindal-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-11-17 10:43     ` Andreas Färber
2014-11-17 11:17     ` Arnd Bergmann
2014-11-18  9:29       ` Ankit Jindal
     [not found]         ` <CAPTm99WYNyxtY-NCVN8pB0HwNPn+EFx-7w7yEevaEK1z7-Zqxg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-18 13:10           ` Arnd Bergmann [this message]
2014-12-08 12:42             ` Ankit Jindal
2014-12-08 17:15               ` Rob Herring
     [not found]                 ` <CAL_Jsq+F5GepyyZbpJOAKLtQsvJOF9wZzf2GyjA6sDe2nr4SrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-09  6:33                   ` Ankit Jindal
2014-11-17 10:36 ` [PATCH v5 6/6] MAINTAINERS: Add entry for APM " Ankit Jindal

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