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 -- 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
