[PATCH 1/2] powerpc/mpc85xx: add two functions to get suspend state which is standby or mem

[Scott Wood]

On Mon, 2014-04-14 at 21:19 -0500, Wang Dongsheng-B40534 wrote:
> 
> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Tuesday, April 15, 2014 7:27 AM
> > To: Wang Dongsheng-B40534
> > Cc: Jin Zhengxiong-R64188; Li Yang-Leo-R58472; Zhao Chenhui-B35336; linuxppc-
> > dev at lists.ozlabs.org
> > Subject: Re: [PATCH 1/2] powerpc/mpc85xx: add two functions to get suspend state
> > which is standby or mem
> > 
> > On Mon, 2014-04-14 at 10:24 +0800, Dongsheng Wang wrote:
> > > From: Wang Dongsheng <dongsheng.wang at freescale.com>
> > >
> > > Add set_pm_suspend_state & pm_suspend_state functions to set/get suspend state.
> > > When system going to sleep, devices can get the system suspend
> > > state(STANDBY/MEM) through pm_suspend_state function and handle different
> > situations.
> > >
> > > Signed-off-by: Wang Dongsheng <dongsheng.wang at freescale.com>
> > >
> > > diff --git a/arch/powerpc/platforms/85xx/common.c
> > > b/arch/powerpc/platforms/85xx/common.c
> > > index b564b5e..3853d43 100644
> > > --- a/arch/powerpc/platforms/85xx/common.c
> > > +++ b/arch/powerpc/platforms/85xx/common.c
> > > @@ -8,6 +8,7 @@
> > >
> > >  #include <linux/of_irq.h>
> > >  #include <linux/of_platform.h>
> > > +#include <linux/suspend.h>
> > >
> > >  #include <asm/qe.h>
> > >  #include <sysdev/cpm2_pic.h>
> > > @@ -47,6 +48,19 @@ int __init mpc85xx_common_publish_devices(void)
> > >  {
> > >  	return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);  }
> > > +
> > > +static suspend_state_t pm_state;
> > > +
> > > +void set_pm_suspend_state(suspend_state_t state) {
> > > +	pm_state = state;
> > > +}
> > > +
> > > +suspend_state_t pm_suspend_state(void) {
> > > +	return pm_state;
> > > +}
> > 
> > These need to be namespaced to indicate that they apply only to mpc85xx.
> > Where do you plan on using these from, that mpc85xx can be safely assumed?
> > 
> 
> Mpic timer and PCIe driver.

The PCIe driver is not mpc85xx-specific.

-Scott