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From: Ankit Jindal <ankit.jindal@linaro.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Varka Bhadram" <varkabhadram@gmail.com>,
	"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Anup Patel" <anup@brainfault.org>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"patches@apm.com" <patches@apm.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Hans J. Koch" <hjk@hansjkoch.de>,
	"Tushar Jagad" <tushar.jagad@linaro.org>,
	"Kumar Gala" <galak@codeaurora.org>,
	"Andreas Färber" <afaerber@suse.de>
Subject: Re: [PATCH v5 5/6] Documentation: dt-bindings: Add binding info for X-Gene QMTM UIO driver
Date: Mon, 8 Dec 2014 18:12:15 +0530	[thread overview]
Message-ID: <CAPTm99V1qP5dAgDV04i3m_yR1ri9h=b8fDXBDxmPfpZG_P268g@mail.gmail.com> (raw)
In-Reply-To: <1503477.DVdkExccIe@wuerfel>

On 18 November 2014 at 18:40, Arnd Bergmann <arnd@arndb.de> wrote:
> On Tuesday 18 November 2014 14:59:54 Ankit Jindal wrote:
>> On 17 November 2014 16:47, Arnd Bergmann <arnd@arndb.de> 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.
Thanks Arnd, I have synced with them, and in future our dt bindings
for this device is going to be inline with the one mentioned in the
patchset.
>
>         Arnd
Thanks,
Ankit

  reply	other threads:[~2014-12-08 12:42 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
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
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
2014-11-17 10:43   ` Andreas Färber
2014-11-17 11:17   ` Arnd Bergmann
2014-11-18  9:29     ` Ankit Jindal
2014-11-18 13:10       ` Arnd Bergmann
2014-12-08 12:42         ` Ankit Jindal [this message]
2014-12-08 17:15           ` Rob Herring
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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