Subject: [RFC/RFT PATCH 0/2] SERIAL: OMAP: Remove idle handling from driver

From: [email-masked] (a0131647)
Date: Fri, 15 Feb 2013 19:12:23 +0530

Hi,
On Friday 15 February 2013 06:38 PM, Felipe Balbi wrote:
> 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<[email-masked]>
>> 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.
>
Suspend/resume with dt is not functional with the current mainline.

~Sourav