On Thu, Aug 29, 2013 at 3:20 PM, Kevin Hilman <khilman@xxxxxxxxxx> wrote: > Dave Gerlach <d-gerlach@xxxxxx> writes: > > [...] > >>>> >>>> The working repo for this version of the patch series can be found here: >>>> >>>> git://github.com/dgerlach/linux-pm.git am335x-3.11rc4-suspend-resume >>> >>> I tried this branch on my beaglebone black, and it's not fully resuming. >>> Suspend seems to be working (power draw goes from ~1W to ~130mW) and >>> pressing a key on the UART seems to be waking up the SoC (power draw >>> goes to ~600mW) but I don't ever get the console back. >>> >>> Is there a specific version of the firmware I should be using? >>> >>> Kevin >>> >> >> Kevin, I agree there does seem to be some issues with Beaglebone >> black. I can confirm it works on BeagleBone White and the large am335 >> EVM, I am working on pinpointing the issue on beaglebone black, seems >> that support isn't quite there yet. > > OK, I tried the above branch on my BB white, using prebuilt firmware > from the next3 branch of the am33x-cm3 repo and it's suspending/resuming > fine. Thanks for the pointer. > > FYI, measuring at the 5V supply, it goes from ~1.6W at idle down to > ~700mW in suspend. The black goes from ~1W down to an impressive 130mW > but of course, it doesn't wake up so maybe it's not that impressive. ;) Just a reminder, the next3 firmware is built to be compatible with older kernel revisions whereas the next2 firmware is not. In order for that compatibility to work, the CMD_ID_DS0 that mainline uses should change from 0x3 to 0x4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
