linux-kernel - Re: REGRESSION: serial_cs broken by 8250 changes

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Message-Id: <20070802161549.fe069c07.akpm@linux-foundation.org>
Date:	Thu, 2 Aug 2007 16:15:49 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Daniel Ritz <daniel.ritz-ml@...ssonline.ch>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Yinghai Lu <yinghai.lu@....com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	linux-kernel@...r.kernel.org
Subject: Re: REGRESSION: serial_cs broken by 8250 changes

On Fri, 3 Aug 2007 01:06:32 +0200
Daniel Ritz <daniel.ritz-ml@...ssonline.ch> wrote:

> commit 18a8bd949d6adb311ea816125ff65050df1f3f6e breaks serial_cs badly
> with an oops, completely killing PCMCIA.
> 
> register_console() now calls console->early_setup(). which in case of
> 8250.c (the only user anyway) is serial8250_console_early_setup()
> which is __init, calling 8250_early.c:serial8250_find_port_for_earlycon()
> which is __init as well. boom.
> 
> the changelog mentions SERIAL_PORT_DFNS removal which happens to be
> commit 7e92b4fc345f5b6f57585fbe5ffdb0f24d7c9b26. but this got reverted
> by commit 57d4810ea0d9ca58a7bcc1336607f0cede0a2abf. so i'd suggest to
> just revert the 8250 changes as well.
> 

<head spins>

Sounds like you'd be the ideal person to propose a patch ;)
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