On Wed, Oct 15, 2014 at 07:06:28PM +0200, Johan Hovold wrote:

On Wed, Oct 15, 2014 at 11:55:02AM -0500, Felipe Balbi wrote:

quoted

Hi,

On Thu, Oct 09, 2014 at 09:06:22PM +0200, Johan Hovold wrote:

quoted

This series fixes a few issues with the omap rtc-driver, cleans up a bit
and finally adds support for the PMIC control feature found in some
revisions of this RTC IP block.

Ultimately, this allows for powering off the Beaglebone and waking it up
again on RTC alarms.

I noticed yesterday that Lokesh Vutla recently posted some patches to
add regulator support to this driver. [1] While that series has some
issues that needs to be addressed, I still think it could be a good idea
to rebase my pmic_power_en patch on top of it as it adds some long
overdue device abstraction. That would be needed anyway in order to
support the new power-off infrastructure that's in the pipe in a clean
way. [2]

So my suggestion is to merge the first seven patches, rebase Lokesh
series on top of that, and then I rebase my final five patches on top
of that in turn. Hopefully, the new power-off handler call chain will
have stabilised by then.

BTW, how do you test this series ?

Set a 30 second wakealarm using the sysfs attribute of the rtc class
device and power off the BBB:

	echo +30 >wakealarm; poweroff

sweet!!!! It worked just fine :-)

Too bad there's yet another DRM bug:

[  271.150158] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000
[  271.150158] 
[  271.159725] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 3.17.0-08392-g7fe2269-dirty #326
[  271.168567] [<c00175a4>] (unwind_backtrace) from [<c00132f0>] (show_stack+0x20/0x24)
[  271.176668] [<c00132f0>] (show_stack) from [<c06573a4>] (dump_stack+0x8c/0xa4)
[  271.184215] [<c06573a4>] (dump_stack) from [<c0654f10>] (panic+0xa0/0x220)
[  271.191405] [<c0654f10>] (panic) from [<c0049e54>] (do_exit+0x974/0x9d0)
[  271.198410] [<c0049e54>] (do_exit) from [<c0067694>] (SyS_reboot+0x14c/0x1e8)
[  271.205870] [<c0067694>] (SyS_reboot) from [<c000f080>] (ret_fast_syscall+0x0/0x48)
[  271.214023] drm_kms_helper: panic occurred, switching back to text console
[  271.221312] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000

In any case, board still powered up after 30 seconds(-ish). So this gets
a:

Tested-by: Felipe Balbi <redacted>

-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141015/828ceb03/attachment-0001.sig>