linux-kernel - Re: [PATCH 14/37] sh,sh-sci: Use NO_POLL_CHAR in the SCIF polled console code

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Message-ID: <20091224060811.GF28878@linux-sh.org>
Date:	Thu, 24 Dec 2009 15:08:12 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Jason Wessel <jason.wessel@...driver.com>
Cc:	linux-kernel@...r.kernel.org, kgdb-bugreport@...ts.sourceforge.net,
	kdb@....sgi.com, mingo@...e.hu
Subject: Re: [PATCH 14/37] sh,sh-sci: Use NO_POLL_CHAR in the SCIF polled console code

On Wed, Dec 23, 2009 at 03:19:27PM -0600, Jason Wessel wrote:
> The sci_poll_get_char() needs to return immediately if there is no
> input from the chip to process, and must return a value of
> NO_POLL_CHAR.
> 
> This allows kgdboc to process multiple polled devices while kgdb is
> active.
> 
> CC: Paul Mundt <lethal@...ux-sh.org>
> Signed-off-by: Jason Wessel <jason.wessel@...driver.com>
> ---
>  drivers/serial/sh-sci.c |    6 +++++-
>  1 files changed, 5 insertions(+), 1 deletions(-)
> 
Acked-by: Paul Mundt <lethal@...ux-sh.org>
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