Date: Thu, 24 Sep 2009 17:05:03 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Stanislav Brabec <utx@penguin.cz>
Cc: linux-kernel@vger.kernel.org, gregkh@suse.de, linux@arm.linux.org.uk,
       Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH] serial-core: resume serial hardware with
 no_console_suspend
Message-Id: <20090924170503.37cbe4ed.akpm@linux-foundation.org>
In-Reply-To: <1253021938.6597.16.camel@hammer.suse.cz>
References: <1253021938.6597.16.camel@hammer.suse.cz>
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On Tue, 15 Sep 2009 15:38:58 +0200
Stanislav Brabec <utx@penguin.cz> wrote:

> Hardware may need re-initialization to get serial port working after
> resume. It does not happen with no_console_suspend. Attached patch
> attempts to fix it.
> 
> The patch attempts to keep hardware running before suspend and run
> hardware re-initialization after resume. Maybe simpler approach is
> possible.

The patch doesn't apply any more and seems like a rather hacky thing to do.

It appears that you have specific serial hardware which doesn't resume
correctly?  If so, that's a bug, so how about we start with a bug
report/description?


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