On Fri, Feb 15, 2013 at 03:07:45PM +0200, Felipe Balbi wrote:
> On Fri, Feb 15, 2013 at 06:33:58PM +0530, a0131647 wrote:
> > Hi,
> > On Friday 15 February 2013 05:36 PM, Santosh Shilimkar wrote:
> > >OMAP UART IP needs manual idle modes based on state of the
> > >IP. Currently this is handled by the driver with function pointers
> > >implemented in platform code.
> > >
> > >This however breaks in case of device tree because of missing
> > >idle handling.
> > >
> > >The series tries to address the issue
> > >
> > >Patches has been tested on OMAP4 and OMAP5 devices where the console
> > >slugishness was observed without idle mode handling. CPUIDLE and
> > >suspend tested ok on these devices.
> > >
> > >Need help in testing on OMAP2, OMAP3 and AM3XXX devices.
> > >
> > Tested this series on omap3630 beagle board for:
> > 1. Retention in idle and suspend.
> > 2. Off mode in idle and suspend.
> > 
> > Tested-by: Sourav Poddar <sourav.poddar@ti.com>
> 
> try setting autosuspend_delay to -1

Also try DT boot and try to wakeup from echo mem > /sys/power/state by
sending data through UART console.

-- 
balbi