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

Santosh Shilimkar santosh.shilimkar at ti.com
Mon Feb 18 09:36:40 EST 2013


On Monday 18 February 2013 04:43 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Feb 18, 2013 at 04:25:58PM +0530, Santosh Shilimkar wrote:
>>>> If I read the code correctly there's nothing setting oh->mux during DT
>>>> boot. The only caller to omap_hwmod_mux_init() (which allocates and
>>>> returns omap_hwmod_mux_info pointer) is
>>>> arch/arm/mach-omap2/devices.c::omap4_keyboard_init(). This has nothing
>>>
>>> actually arch/arm/mach-omap2/serial.c::omap_serial_init_port() also
>>> calls that, but it's also not used during DT boots.
>>>
>> DT boot, all the function pointers are broken so wakeup as well as slave
>> idle-mode is broken. Nothing new here. Serial file does set the pads
>> as you noticed and this is what can be offloaded to generic pint control
>> which can triggered from driver.
>
> fair enough, understood now.
>
Just keep the thread posted, the slave idle handling with *wakeup*
bit is sorted out now. We are looking at the io_ring() and
pad wakeup stuff now. Once we have that working, we will repost
the series.

Regards,
Santosh




More information about the linux-arm-kernel mailing list