Dave Gerlach <d-gerlach@xxxxxx> writes: > On 08/27/2013 03:23 PM, Kevin Hilman wrote: >> Hi Dave, >> >> Dave Gerlach <d-gerlach@xxxxxx> writes: >> >>> On 08/19/2013 04:23 AM, Gururaja Hebbar wrote: >>>> On 8/6/2013 11:19 PM, Dave Gerlach wrote: >>>>> Hi, >>>>> >>>>> This is the third version of the patch series for adding basic suspend-resume >>>>> support for AM33XX, previously submitted by Vaibhav Bedia. This patchset >>>>> is based on 3.11-rc4 and depends on a forthcoming patchset from Suman Anna >>>>> that adds mailbox support for the wkup_m3. The patches at [1], [2], and [3] are >>>>> required for the pm code to properly suspend and resume. >>>>> >>>>> The PM code uses the firmware interface and expects the userspace to load >>>>> the WKUP_M3 binary before the suspend-resume functionality is made available. >>>>> The binary file (and the source-code for WKUP_M3) can be obtained from the >>>>> 'next2' branch at [4]. The WKUP_M3 binary can either be loaded post bootup >>>>> via the sysfs entry './sys/devices/ocp.2/wkup_m3.4/firmware' or it can be >>>>> included in the kernel image as part of the build process. >>>>> >>>>> Suspend to mem is tested on am335x-bone and am335x-evm. >>>>> >>>>> More details on AM335x suspend-resume are provided within the commit logs >>>>> for each patch. >>>> >>>> can you share the working repo which has all these patches applied? >>>> >>>> Thanks & Regards >>>> Gururaja >>>> >>> >>> 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 didn't realize that. I'll give it a try on my BB white. Is there a specific version/branch of the firmware I should be using? Thanks, Kevin -- 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
