linux-kernel - Re: [RFC PATCH 0/2] serial 8250 platform PM hooks

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Message-ID: <t2wf861ec6f1004141039kf25acdddrb1e4639c17ecc8f6@mail.gmail.com>
Date:	Wed, 14 Apr 2010 19:39:41 +0200
From:	Manuel Lauss <manuel.lauss@...glemail.com>
To:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	linux-mips@...ux-mips.org, Manuel Lauss <manuel.lauss@...il.com>
Subject: Re: [RFC PATCH 0/2] serial 8250 platform PM hooks

Ping?  Noone interested?

On Wed, Mar 24, 2010 at 7:16 PM, Manuel Lauss
<manuel.lauss@...glemail.com> wrote:
> The following 2 patches implement a PM hook for platform 8250
> UARTs and a sample PM implementation for a MIPS SoC.
>
> Patch #1 hooks a new .pm callback in struct plat_serial8250_port to
> the rest of serial_core's PM infrastructure,
>
> Patch #2 implements uart power gating for Alchemy line of mips socs
> using the new hook.
>
> With these 2 patches serial console on my test system survives
> suspend/resume cycles without having to resort to platform-specific
> hacks in the PM code.
>
> Thanks,
>     Manuel Lauss
>
> Manuel Lauss (2):
>  8250: allow platform uarts to install PM callback.
>  Alchemy: UART PM through serial framework.
>
>  arch/mips/alchemy/common/platform.c |   17 +++++++++++++++++
>  arch/mips/alchemy/common/power.c    |   32 --------------------------------
>  drivers/serial/8250.c               |   31 ++++++++++++++++++++++++++++---
>  include/linux/serial_8250.h         |    6 ++++++
>  4 files changed, 51 insertions(+), 35 deletions(-)
>
>
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