From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Matthieu CASTET <matthieu.castet@parrot.com>,
"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 11:59:39 +0100 [thread overview]
Message-ID: <20120831115939.23fd4a08@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20120831103351.GE18957@n2100.arm.linux.org.uk>
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.
Alan
next prev parent reply other threads:[~2012-08-31 10:56 UTC|newest]
Thread overview: 8+ 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 10:04 ` Alan Cox
2012-08-31 10:29 ` Matthieu CASTET
2012-08-31 10:33 ` Russell King - ARM Linux
2012-08-31 10:59 ` Alan Cox [this message]
2012-08-31 10:59 ` Russell King - ARM Linux
2012-08-31 11:48 ` Matthieu CASTET
2012-08-31 12:25 ` Alan Cox
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