On Mon, Aug 9, 2010 at 6:05 PM, hedwin <hedwin.kon...@gmail.com> wrote: > I actually don't mind whether it is 2.6.32 or 2.6.35 that is being used. > The thing is there is a dependency between the kernel version and > bionic, right?
Actually the dependency in this case is between the kernel and the vold daemon. bionic is the standard C library and has no dependencies on the USB notifications. Mike > So when things go wrong it triggers me thinking I might have used the > wrong kernel version, that's what happend > when I treid using 2.6.32 (the one from eclair) for the froyo master branch. > It would be a big help if the android webpage would state the > configuration required for specific releases so everyone > understands what to use. > > H. > > On Mon, Aug 9, 2010 at 9:45 PM, Mike Lockwood <lockw...@android.com> wrote: >> Froyo uses kernel 2.6.32, and the master branch (which is froyo + >> various external contributions) also uses 2.6.32. Since this is >> confusing and people seem to want to use 2.6.35, I'll see if we can >> integrate the userspace changes needed for 2.6.35 into the master >> branch. >> >> Mike >> >> On Mon, Aug 9, 2010 at 3:14 PM, hedwin <hedwin.kon...@gmail.com> wrote: >>> Mike, >>> >>> Sorry asking an ever recurring question, but is 2.6.32 the kernel >>> version intended for froyo version in the android.git.kernel.org >>> master branch or is this 2.6.35. >>> >>> Hedwin >>> >>> On Mon, Aug 9, 2010 at 1:47 PM, Mike Lockwood <lockw...@android.com> wrote: >>>> Hi Pankaj, >>>> >>>> For the next android release after Froyo we will be using new >>>> notifications between kernel and userspace. The userspace changes >>>> have not been released yet and are not included in Froyo. So for >>>> Froyo you should continue using the 2.6.32 kernel. The android 2.6.35 >>>> kernel is for post-Froyo development and is not compatible with Froyo. >>>> >>>> As you noticed, there is now a new f_mass_storage.c driver in the >>>> mainline kernel. In the 2.6.35 android kernel we abandoned our own >>>> copy and are now using the mainline 2.6.35 kernel. So it no longer >>>> contains the switch code that is used by vold in Froyo to get the UMS >>>> related notifications. If it is important that you use 2.6.35 with >>>> Froyo, you could probably switch back to using the f_mass_storage.c >>>> from our 2.6.32 kernel in 2.6.35 instead of the mainline version. >>>> >>>> Mike >>>> >>>> On Mon, Aug 9, 2010 at 3:21 AM, Pankaj <dubepankaj1...@gmail.com> wrote: >>>>> Hi All, >>>>> >>>>> I am facing one issue with Android Froyo and 2.6.35 kernel in getting >>>>> USB notifications. When I connected USB cable with our device, Windows >>>>> Host PC detetecd composite device ADB+UMS, but on device there is no >>>>> notification (normally two notification "usb connected" followed by >>>>> "usb debugging connected" suppose to come.). >>>>> >>>>> When traced back issue i found logcat is showing one warning as "W/ >>>>> Vold No UMS switch available". In 2.6.32 kernel's f_mass_storage.c >>>>> file fsg_dev structure contains one member as switch_dev and this >>>>> switch device is registered in mass_storage_bind_config function, but >>>>> I found that on 2.6.35 kernel's f_mass_storage.c file is not >>>>> registering switch device and beacause of which in Android Froyo's / >>>>> system/vold/main.cpp while opening switch device for UMS it failed and >>>>> thus failed to show notification. >>>>> >>>>> So I want to know why switch device registration is removed from >>>>> f_mass_storage.c file as without it Android Froyo is not able to >>>>> display connection notifications. >>>>> >>>>> >>>>> Thanks, >>>>> Pankaj >>>>> >>>> >>>> >>>> >>>> -- >>>> Mike Lockwood >>>> Google android team >>>> >>>> -- >>>> unsubscribe: android-kernel+unsubscr...@googlegroups.com >>>> website: http://groups.google.com/group/android-kernel >>> >>> -- >>> unsubscribe: android-kernel+unsubscr...@googlegroups.com >>> website: http://groups.google.com/group/android-kernel >>> >> >> >> >> -- >> Mike Lockwood >> Google android team >> >> -- >> unsubscribe: android-kernel+unsubscr...@googlegroups.com >> website: http://groups.google.com/group/android-kernel > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > -- Mike Lockwood Google android team -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
