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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Pavel Machek <pavel@ucw.cz>
Cc: Mark Brown <broonie@kernel.org>, Tomasz Figa <t.figa@samsung.com>,
	Tushar Behera <tushar.behera@linaro.org>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	lkml <linux-kernel@vger.kernel.org>,
	linux-serial <linux-serial@vger.kernel.org>,
	linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
	jslaby <jslaby@suse.cz>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ben Dooks <ben.dooks@codethink.co.uk>
Subject: Re: [PATCH 1/2] serial: samsung: Move uart_register_driver call to device probe
Date: Mon, 27 Jan 2014 00:04:26 +0000	[thread overview]
Message-ID: <20140127000426.6027cdd5@www.etchedpixels.co.uk> (raw)
In-Reply-To: <20140126210907.GB7246@Nokia-N900>

On Sun, 26 Jan 2014 22:09:07 +0100
Pavel Machek <pavel@ucw.cz> wrote:

> On Thu 2014-01-23 19:36:33, Mark Brown wrote:
> > On Thu, Jan 23, 2014 at 07:47:56PM +0100, Tomasz Figa wrote:
> > > On 23.01.2014 19:40, Mark Brown wrote:
> > 
> > > >We'd need to leave it user selectable rather than enabling it for ARM,
> > > >the whole reason this got noticed is that people are trying to build
> > > >kernels that support a wider range of devices for ARM.
> > 
> > > What about making it depend on !MULTIPLATFORM and enabled by default?
> > 
> > That'd work, but if we're doing that then substituting in the dynamic
> > assignment only when we hit a collision seems smoother and more general.
> 
> That seems like a mess. I had enough fun debugging "WTF is
> going on with my serials" as is...
> 
> Plus... collision can happen at runtime when you insert
> BT CF card... at that point it is too late to reassign.

Agreed entirely - you want predictability here, plus making it happen by
magic is going to do the nut of anyone trying to figure out why kernel A
works on their platform and kernel B doesn't.

It needs to be something you choose to turn on as compatibility, like old
sysfs files and so forth.

  reply	other threads:[~2014-01-27  0:05 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-20  9:02 [PATCH 0/2] serial: Move uart_register_driver call to device probe Tushar Behera
2014-01-20  9:02 ` [PATCH 1/2] serial: samsung: " Tushar Behera
2014-01-20 10:05   ` Russell King - ARM Linux
2014-01-20 11:53     ` Tushar Behera
2014-01-20 12:26       ` Russell King - ARM Linux
2014-01-20 21:43       ` Alan Cox
2014-01-20 23:14         ` Mark Brown
2014-01-20 23:21           ` Russell King - ARM Linux
2014-01-20 23:35             ` Alan Cox
2014-01-20 23:52               ` Greg Kroah-Hartman
2014-01-20 23:47           ` Alan Cox
2014-01-21  0:16             ` Russell King - ARM Linux
2014-01-21  9:03               ` Alan Cox
2014-01-21  9:49                 ` Russell King - ARM Linux
     [not found]               ` <50b66ac6-1150-4ad7-aeaf-3d0dce77334d@email.android.com>
2014-01-26 11:54                 ` Russell King - ARM Linux
2014-01-27  4:30                   ` Nicolas Pitre
2014-01-27 10:07                     ` Alan Cox
2014-01-27 12:32                     ` Russell King - ARM Linux
2014-01-27 15:03                       ` Nicolas Pitre
2014-01-21 16:59             ` Mark Brown
2014-01-21 18:30               ` Russell King - ARM Linux
2014-01-23 18:04       ` Alan Cox
2014-01-23 18:40         ` Mark Brown
2014-01-23 18:47           ` Tomasz Figa
2014-01-23 19:36             ` Mark Brown
2014-01-23 19:51               ` Alan Cox
2014-01-23 20:05                 ` Mark Brown
2014-01-23 21:33                   ` Alan Cox
2014-01-24 12:03                     ` Mark Brown
2014-01-24 14:38                       ` Alan Cox
2014-01-27  0:15                         ` Mark Brown
2014-01-26 21:09               ` Pavel Machek
2014-01-27  0:04                 ` Alan Cox [this message]
2014-01-20 21:16     ` Greg KH
2014-01-20 21:32       ` Russell King - ARM Linux
2014-01-20 23:11         ` Greg KH
2014-01-20 23:16           ` Russell King - ARM Linux
2014-01-20 23:51             ` Greg KH
2014-01-21  0:07               ` Russell King - ARM Linux
2014-01-21  0:26                 ` Greg KH
2014-01-21  0:38                   ` Russell King - ARM Linux
2014-01-21  9:25                     ` One Thousand Gnomes
2014-01-21  9:45                       ` Russell King - ARM Linux
2014-01-20  9:02 ` [PATCH 2/2] serial: pl011: " Tushar Behera
2014-01-20 10:04   ` Russell King - ARM Linux
2014-02-13 18:12     ` Greg KH
2014-02-13 18:15       ` Russell King - ARM Linux
2014-02-13 18:27         ` Greg KH
2014-02-13 18:42           ` Russell King - ARM Linux
2014-02-13 23:26             ` Greg KH
2014-02-14  0:07               ` Russell King - ARM Linux
2014-02-14  0:14                 ` Greg KH
2014-02-14  0:38                   ` Russell King - ARM Linux
2014-02-17 15:35                     ` One Thousand Gnomes
2014-02-17 15:54                       ` One Thousand Gnomes
2014-02-17 23:50                       ` Mark Brown
2014-02-18 10:09                         ` Etched Pixels
2014-02-19 13:57                           ` Mark Brown
2014-02-19 14:47                             ` One Thousand Gnomes
2014-02-19 15:53                               ` Mark Brown
2014-02-19  0:47                   ` One Thousand Gnomes

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