From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Dave Martin <dave.martin@linaro.org>,
Srinivas KANDAGATLA <srinivas.kandagatla@st.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Grant Likely <grant.likely@secretlab.ca>,
jslaby@suse.cz, Russell King <linux@arm.linux.org.uk>,
Samuel Ortiz <sameo@linux.intel.com>,
Nicolas Pitre <nico@linaro.org>,
linux-doc@vger.kernel.org,
Stephen Gallimore <stephen.gallimore@st.com>,
linux-serial@vger.kernel.org, Jason Cooper <jason@lakedaemon.net>,
Arnd Bergmann <arnd@arndb.de>,
Marc Zyngier <marc.zyngier@arm.com>,
devicetree-discuss@lists.ozlabs.org,
Rob Herring <rob.herring@calxeda.com>,
Stuart Menefy <stuart.menefy@st.com>,
Stephen Warren <swarren@nvidia.com>,
Dong Aisheng <dong.aisheng@linaro.org>,
linux-arm-kernel@lists.infradead.org,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
linux-kernel@vger.kerne
Subject: Re: [RFC 1/8] serial:st-asc: Add ST ASC driver.
Date: Fri, 10 May 2013 16:45:15 +0200 [thread overview]
Message-ID: <518D07FB.7010606@codethink.co.uk> (raw)
In-Reply-To: <20130508153459.GA17186@kroah.com>
On 08/05/13 17:34, Greg KH wrote:
> On Wed, May 08, 2013 at 04:34:43PM +0200, Arnd Bergmann wrote:
>>> +#define ASC_MAJOR 204
>>> +#define ASC_MINOR_START 40
>>
>> I don't know what the current policy is on allocating major/minor numbers,
>> but I'm sure you cannot just reuse one that is already used.
>
> I agree, why are you trying to create a new tty device name? Can't you
> use the existing ttyS name and minor number as you will not have any
> other type of serial device on this system?
This would be an issue on systems that either accept plug-in cards
such as PCMCIA/CardBus/PCI or have additional off SoC IO spaces
where 8250 compatible UARTS could live.
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
WARNING: multiple messages have this Message-ID (diff)
From: ben.dooks@codethink.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 1/8] serial:st-asc: Add ST ASC driver.
Date: Fri, 10 May 2013 16:45:15 +0200 [thread overview]
Message-ID: <518D07FB.7010606@codethink.co.uk> (raw)
In-Reply-To: <20130508153459.GA17186@kroah.com>
On 08/05/13 17:34, Greg KH wrote:
> On Wed, May 08, 2013 at 04:34:43PM +0200, Arnd Bergmann wrote:
>>> +#define ASC_MAJOR 204
>>> +#define ASC_MINOR_START 40
>>
>> I don't know what the current policy is on allocating major/minor numbers,
>> but I'm sure you cannot just reuse one that is already used.
>
> I agree, why are you trying to create a new tty device name? Can't you
> use the existing ttyS name and minor number as you will not have any
> other type of serial device on this system?
This would be an issue on systems that either accept plug-in cards
such as PCMCIA/CardBus/PCI or have additional off SoC IO spaces
where 8250 compatible UARTS could live.
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
next prev parent reply other threads:[~2013-05-10 14:45 UTC|newest]
Thread overview: 194+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-08 14:09 [RFC 0/8] ARM:STiH41x: Add STiH41x platform and board support Srinivas KANDAGATLA
2013-05-08 14:09 ` Srinivas KANDAGATLA
2013-05-08 14:11 ` [RFC 2/8] ARM:global_timer: Add ARM global timer support Srinivas KANDAGATLA
2013-05-08 14:11 ` Srinivas KANDAGATLA
2013-05-08 14:26 ` Rob Herring
2013-05-08 14:26 ` Rob Herring
2013-05-08 14:26 ` Rob Herring
2013-05-08 15:06 ` Stuart MENEFY
2013-05-08 15:06 ` Stuart MENEFY
2013-05-08 15:06 ` Stuart MENEFY
2013-05-08 14:38 ` Arnd Bergmann
2013-05-08 14:38 ` Arnd Bergmann
2013-05-08 14:38 ` Arnd Bergmann
[not found] ` <201305081638.23100.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-08 14:49 ` Will Deacon
2013-05-08 14:49 ` Will Deacon
2013-05-08 15:48 ` Stuart MENEFY
2013-05-08 15:48 ` Stuart MENEFY
[not found] ` <518A73CF.8000309-qxv4g6HH51o@public.gmane.org>
2013-05-08 16:23 ` Arnd Bergmann
2013-05-08 16:23 ` Arnd Bergmann
2013-05-08 14:51 ` Steffen Trumtrar
2013-05-08 14:51 ` Steffen Trumtrar
2013-05-09 14:07 ` Srinivas KANDAGATLA
2013-05-09 14:07 ` Srinivas KANDAGATLA
2013-05-09 14:07 ` Srinivas KANDAGATLA
2013-05-09 14:51 ` Arnd Bergmann
2013-05-09 14:51 ` Arnd Bergmann
2013-05-09 14:51 ` Arnd Bergmann
2013-05-09 14:51 ` Srinivas KANDAGATLA
2013-05-09 14:51 ` Srinivas KANDAGATLA
2013-05-09 14:51 ` Srinivas KANDAGATLA
[not found] ` <1368022260-2197-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-05-13 19:05 ` Linus Walleij
2013-05-13 19:05 ` Linus Walleij
[not found] ` <CACRpkdZCP=w=4Q3bnuMQxm=Oe-uZke+Cc5NgddM5vsQbgr9E-Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-13 19:30 ` Thomas Gleixner
2013-05-13 19:30 ` Thomas Gleixner
2013-05-14 8:46 ` Srinivas KANDAGATLA
2013-05-14 8:46 ` Srinivas KANDAGATLA
[not found] ` <5191F9EE.6070008-qxv4g6HH51o@public.gmane.org>
2013-05-14 9:23 ` Linus Walleij
2013-05-14 9:23 ` Linus Walleij
[not found] ` <CACRpkdYh72hQHSK-a9r8R9qfnQv06412YqVNeYpc_rZhMeiXww-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-14 10:26 ` Srinivas KANDAGATLA
2013-05-14 10:26 ` Srinivas KANDAGATLA
2013-05-08 14:11 ` [RFC 3/8] mfd:syscon: Introduce claim/read/write/release APIs Srinivas KANDAGATLA
2013-05-08 14:11 ` Srinivas KANDAGATLA
2013-05-08 14:50 ` Arnd Bergmann
2013-05-08 14:50 ` Arnd Bergmann
2013-05-08 14:50 ` Arnd Bergmann
2013-05-08 15:01 ` Mark Brown
2013-05-08 15:01 ` Mark Brown
2013-05-08 15:01 ` Mark Brown
2013-05-08 17:42 ` Srinivas KANDAGATLA
2013-05-08 17:42 ` Srinivas KANDAGATLA
2013-05-08 17:42 ` Srinivas KANDAGATLA
[not found] ` <518A8E6C.6070907-qxv4g6HH51o@public.gmane.org>
2013-05-09 9:51 ` Mark Brown
2013-05-09 9:51 ` Mark Brown
2013-05-09 9:51 ` Mark Brown
2013-05-09 11:58 ` Srinivas KANDAGATLA
2013-05-09 11:58 ` Srinivas KANDAGATLA
2013-05-09 11:58 ` Srinivas KANDAGATLA
2013-05-09 13:26 ` Mark Brown
2013-05-09 13:26 ` Mark Brown
2013-05-09 13:26 ` Mark Brown
[not found] ` <20130509132600.GA3200-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2013-05-09 14:00 ` Srinivas KANDAGATLA
2013-05-09 14:00 ` Srinivas KANDAGATLA
2013-05-09 14:00 ` Srinivas KANDAGATLA
2013-05-09 14:40 ` Mark Brown
2013-05-09 14:40 ` Mark Brown
2013-05-09 14:40 ` Mark Brown
2013-05-09 14:47 ` Srinivas KANDAGATLA
2013-05-09 14:47 ` Srinivas KANDAGATLA
2013-05-09 14:47 ` Srinivas KANDAGATLA
2013-05-10 12:51 ` Srinivas KANDAGATLA
2013-05-10 12:51 ` Srinivas KANDAGATLA
2013-05-10 12:51 ` Srinivas KANDAGATLA
2013-05-08 17:32 ` Srinivas KANDAGATLA
2013-05-08 17:32 ` Srinivas KANDAGATLA
2013-05-08 17:32 ` Srinivas KANDAGATLA
[not found] ` <518A8C1D.3090600-qxv4g6HH51o@public.gmane.org>
2013-05-08 19:48 ` Arnd Bergmann
2013-05-08 19:48 ` Arnd Bergmann
2013-05-08 19:48 ` Arnd Bergmann
2013-05-09 10:17 ` Srinivas KANDAGATLA
2013-05-09 10:17 ` Srinivas KANDAGATLA
2013-05-09 10:17 ` Srinivas KANDAGATLA
[not found] ` <518B77C1.70107-qxv4g6HH51o@public.gmane.org>
2013-05-17 14:36 ` Arnd Bergmann
2013-05-17 14:36 ` Arnd Bergmann
2013-05-17 14:36 ` Arnd Bergmann
2013-05-20 12:48 ` Srinivas KANDAGATLA
2013-05-20 12:48 ` Srinivas KANDAGATLA
2013-05-20 12:48 ` Srinivas KANDAGATLA
2013-05-23 21:44 ` Arnd Bergmann
2013-05-23 21:44 ` Arnd Bergmann
2013-05-23 21:44 ` Arnd Bergmann
2013-05-24 16:06 ` Srinivas KANDAGATLA
2013-05-24 16:06 ` Srinivas KANDAGATLA
2013-05-24 16:06 ` Srinivas KANDAGATLA
[not found] ` <201305081650.23264.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-08 19:41 ` Re[2]: " Alexander Shiyan
2013-05-08 14:11 ` =?y?q?=5BRFC=205/8=5D=20ARM=3Astih41x=3A=20Add=20STiH415=20SOC=20support?= Srinivas KANDAGATLA
2013-05-08 14:11 ` =?y?q?=5BRFC=205/8=5D=20ARM=3Astih41x=3A=20Add=20STiH415=20SOC=20support?= Srinivas KANDAGATLA
2013-05-08 16:18 ` [RFC 5/8] ARM:stih41x: Add STiH415 SOC support Arnd Bergmann
2013-05-08 16:18 ` Arnd Bergmann
2013-05-08 16:18 ` Arnd Bergmann
2013-05-08 16:21 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:21 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:21 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:50 ` Stephen GALLIMORE
2013-05-08 16:50 ` Stephen GALLIMORE
2013-05-08 18:55 ` Arnd Bergmann
2013-05-08 18:55 ` Arnd Bergmann
2013-05-09 11:09 ` Stephen GALLIMORE
2013-05-09 11:09 ` Stephen GALLIMORE
2013-05-08 17:03 ` Srinivas KANDAGATLA
2013-05-08 17:03 ` Srinivas KANDAGATLA
2013-05-08 17:03 ` Srinivas KANDAGATLA
2013-05-08 14:11 ` [RFC 6/8] ARM:stih41x: Add STiH416 " Srinivas KANDAGATLA
2013-05-08 14:11 ` Srinivas KANDAGATLA
[not found] ` <1368022318-2380-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-05-15 19:41 ` Linus Walleij
2013-05-15 19:41 ` Linus Walleij
[not found] ` <1368022187-1633-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-05-08 14:10 ` [RFC 1/8] serial:st-asc: Add ST ASC driver Srinivas KANDAGATLA
2013-05-08 14:34 ` Arnd Bergmann
2013-05-08 14:34 ` Arnd Bergmann
2013-05-08 14:34 ` Arnd Bergmann
2013-05-08 14:39 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 14:39 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 18:18 ` Srinivas KANDAGATLA
2013-05-08 18:18 ` Srinivas KANDAGATLA
2013-05-08 18:18 ` Srinivas KANDAGATLA
2013-05-08 19:55 ` Arnd Bergmann
2013-05-08 19:55 ` Arnd Bergmann
[not found] ` <201305081634.43498.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-08 15:34 ` Greg KH
2013-05-08 15:34 ` Greg KH
[not found] ` <20130508153459.GA17186-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2013-05-08 15:40 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 15:40 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 15:40 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 15:53 ` Greg KH
2013-05-08 15:53 ` Greg KH
2013-05-08 16:03 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:03 ` Jean-Christophe PLAGNIOL-VILLARD
[not found] ` <B5A00B86-5332-427E-A82A-5B71EC0979A8-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
2013-05-08 16:15 ` Greg KH
2013-05-08 16:15 ` Greg KH
2013-05-08 16:15 ` Greg KH
2013-05-08 16:31 ` Arnd Bergmann
2013-05-08 16:31 ` Arnd Bergmann
2013-05-08 16:36 ` Greg KH
2013-05-08 16:36 ` Greg KH
2013-05-10 23:29 ` Russell King - ARM Linux
2013-05-10 23:29 ` Russell King - ARM Linux
2013-05-08 16:39 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:39 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:45 ` Nicolas Pitre
2013-05-08 16:45 ` Nicolas Pitre
[not found] ` <alpine.LFD.2.03.1305081239260.13109-hIgblCxmbi8OMTOF05IoTw@public.gmane.org>
2013-05-08 18:35 ` Arnd Bergmann
2013-05-08 18:35 ` Arnd Bergmann
2013-05-08 18:35 ` Arnd Bergmann
2013-05-09 13:36 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-09 13:36 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:10 ` Stephen GALLIMORE
2013-05-08 16:10 ` Stephen GALLIMORE
2013-05-08 16:10 ` Stephen GALLIMORE
2013-05-10 13:50 ` Stephen GALLIMORE
2013-05-10 14:08 ` Greg KH
2013-05-10 14:45 ` Ben Dooks [this message]
2013-05-10 14:45 ` Ben Dooks
[not found] ` <518D07FB.7010606-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2013-05-10 15:23 ` Greg KH
2013-05-10 15:23 ` Greg KH
2013-05-10 15:31 ` Ben Dooks
2013-05-10 15:31 ` Ben Dooks
2013-05-10 15:40 ` Stuart MENEFY
2013-05-10 15:40 ` Stuart MENEFY
2013-05-08 18:02 ` Srinivas KANDAGATLA
2013-05-08 18:02 ` Srinivas KANDAGATLA
2013-05-08 18:02 ` Srinivas KANDAGATLA
2013-05-20 11:49 ` Stephen GALLIMORE
2013-05-22 15:13 ` Arnd Bergmann
2013-05-23 16:26 ` Stephen GALLIMORE
2013-05-08 14:11 ` [RFC 4/8] pinctrl:stixxxx: Add pinctrl and pinconf support Srinivas KANDAGATLA
[not found] ` <1368022284-2283-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-05-08 15:06 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 15:06 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 15:06 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:27 ` Srinivas KANDAGATLA
2013-05-08 16:27 ` Srinivas KANDAGATLA
[not found] ` <518A7CFD.1010602-qxv4g6HH51o@public.gmane.org>
2013-05-08 16:38 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:38 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:38 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 14:12 ` [RFC 7/8] ARM:stih41x: Add B2000 board support Srinivas KANDAGATLA
2013-05-08 14:12 ` Srinivas KANDAGATLA
[not found] ` <1368022329-2424-1-git-send-email-srinivas.kandagatla-qxv4g6HH51o@public.gmane.org>
2013-05-08 16:20 ` Arnd Bergmann
2013-05-08 16:20 ` Arnd Bergmann
2013-05-08 16:20 ` Arnd Bergmann
[not found] ` <201305081820.23968.arnd-r2nGTMty4D4@public.gmane.org>
2013-05-08 16:24 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:24 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 16:24 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-08 17:04 ` Srinivas KANDAGATLA
2013-05-08 17:04 ` Srinivas KANDAGATLA
2013-05-08 17:04 ` Srinivas KANDAGATLA
2013-05-08 14:12 ` [RFC 8/8] ARM:stih41x: Add B2020 " Srinivas KANDAGATLA
2013-05-08 14:12 ` Srinivas KANDAGATLA
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