Re: [RFC PATCH 0/2] serial 8250 platform PM hooks
From: Manuel Lauss
Date: Wed Apr 14 2010 - 13:39:50 EST
Ping? Noone interested?
On Wed, Mar 24, 2010 at 7:16 PM, Manuel Lauss
<manuel.lauss@xxxxxxxxxxxxxx> 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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