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From: matthieu.castet@parrot.com (Matthieu CASTET)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] hvc_dcc : add support to armv4 and armv5 core
Date: Fri, 31 Aug 2012 13:48:17 +0200	[thread overview]
Message-ID: <5040A481.7020403@parrot.com> (raw)
In-Reply-To: <20120831115939.23fd4a08@pyramind.ukuu.org.uk>

Alan Cox a ?crit :
> On Fri, 31 Aug 2012 11:33:51 +0100
> Russell King - ARM Linux <linux@arm.linux.org.uk> wrote:
> 
>> On Fri, Aug 31, 2012 at 12:29:04PM +0200, Matthieu CASTET wrote:
>>> Alan Cox a ?crit :
>>>> On Fri, 31 Aug 2012 11:21:56 +0200
>>>> Matthieu CASTET <castet.matthieu@free.fr> wrote:
>>>>
>>>>> Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>
>>>>> ---
>>>>>  drivers/tty/hvc/hvc_dcc.c |   34 ++++++++++++++++++++++++++++++++++
>>>>>  1 file changed, 34 insertions(+)
>>>> This is a step in the wrong direction. This should all be runtime handled
>>>>
>>>> NAK.
>>>>
>>> AFAIK you can't build a arm kernel that support arm6/armv7 and armv5.
>>> And I am not sure it will be possible one day.
>> There are no plans to ever make it possible; there are too many significant
>> differences between ARMv4, v5 architectures and ARMv6,v7 architectures
>> to warrant making this runtime selectable.
> 
> Then bury this crap in platform files please not in the drivers/tty layer
> code. Make it a platform driver provided callback or something.
> 
I posted a new v2 patch that make the selection dynamic.


Matthieu

WARNING: multiple messages have this Message-ID (diff)
From: Matthieu CASTET <matthieu.castet@parrot.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"gregkh@suse.de" <gregkh@suse.de>,
	"sboyd@codeaurora.org" <sboyd@codeaurora.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Matthieu CASTET <castet.matthieu@free.fr>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] hvc_dcc : add support to armv4 and armv5 core
Date: Fri, 31 Aug 2012 13:48:17 +0200	[thread overview]
Message-ID: <5040A481.7020403@parrot.com> (raw)
In-Reply-To: <20120831115939.23fd4a08@pyramind.ukuu.org.uk>

Alan Cox a écrit :
> On Fri, 31 Aug 2012 11:33:51 +0100
> Russell King - ARM Linux <linux@arm.linux.org.uk> wrote:
> 
>> On Fri, Aug 31, 2012 at 12:29:04PM +0200, Matthieu CASTET wrote:
>>> Alan Cox a écrit :
>>>> On Fri, 31 Aug 2012 11:21:56 +0200
>>>> Matthieu CASTET <castet.matthieu@free.fr> wrote:
>>>>
>>>>> Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>
>>>>> ---
>>>>>  drivers/tty/hvc/hvc_dcc.c |   34 ++++++++++++++++++++++++++++++++++
>>>>>  1 file changed, 34 insertions(+)
>>>> This is a step in the wrong direction. This should all be runtime handled
>>>>
>>>> NAK.
>>>>
>>> AFAIK you can't build a arm kernel that support arm6/armv7 and armv5.
>>> And I am not sure it will be possible one day.
>> There are no plans to ever make it possible; there are too many significant
>> differences between ARMv4, v5 architectures and ARMv6,v7 architectures
>> to warrant making this runtime selectable.
> 
> Then bury this crap in platform files please not in the drivers/tty layer
> code. Make it a platform driver provided callback or something.
> 
I posted a new v2 patch that make the selection dynamic.


Matthieu

  parent reply	other threads:[~2012-08-31 11:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-31  9:21 [PATCH] hvc_dcc : add support to armv4 and armv5 core Matthieu CASTET
2012-08-31  9:21 ` Matthieu CASTET
2012-08-31 10:04 ` Alan Cox
2012-08-31 10:04   ` Alan Cox
2012-08-31 10:29   ` Matthieu CASTET
2012-08-31 10:29     ` Matthieu CASTET
2012-08-31 10:33     ` Russell King - ARM Linux
2012-08-31 10:33       ` Russell King - ARM Linux
2012-08-31 10:59       ` Alan Cox
2012-08-31 10:59         ` Alan Cox
2012-08-31 10:59         ` Russell King - ARM Linux
2012-08-31 10:59           ` Russell King - ARM Linux
2012-08-31 11:48         ` Matthieu CASTET [this message]
2012-08-31 11:48           ` Matthieu CASTET
2012-08-31 12:25           ` Alan Cox
2012-08-31 12:25             ` Alan Cox

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