Any updates? On 7月25日, 上午5時55分, Mike Lockwood <lockw...@android.com> wrote: > I think the problem is thatgadgetonly supports one driver at a time, > so you cannot run the androidgadgetdriver and gadgetfs > simultaneously. If you built the android driver as a module, then you > could manually load one or the other and switch between android and > gadgetfs. But the android driver is not currently set up to work as a > module (we are just statically linking it in at this point). It > probably wouldn't be too hard to get it working as a module, but I > don't think anyone has done that yet. > > Mike > > > > > > On Fri, Jul 24, 2009 at 3:50 AM, Ashutosh<as...@techmahindra.com> wrote: > > > Hi Mike, > > > I have been able to compile kernel 2.6.29 with configuration (USB > > function is disabled)-- > > > CONFIG_USB_GADGET=y > > CONFIG_USB_GADGET_VBUS_DRAW=500 > > CONFIG_USB_GADGET_SELECTED=y > > CONFIG_USB_GADGET_MSM_72K=y > > CONFIG_USB_MSM_72K=y > > CONFIG_USB_GADGET_DUALSPEED=y > > CONFIG_USB_ANDROID=y > > > I am able to get adb shell. > > > I also compiled gadgetfs as module and got gadgetfs.ko. I inserted it > > in kernel but when I try to mount on it (mount -tgadgetpath /dev/ > >gadget) I get error "mount: No such device". > > > I debugged it and found that it fails in usb_gadget_register_driver() > > at point -- > > > if (ui->driver) > > return -EBUSY; > > > I am getting this error because msm72k_udc is busy and held by android > >gadget(USB_ANDROID). > > > I tried to compile CONFIG_USB_ANDROID as module (CONFIG_USB_ANDROID=m) > > and modified system/core/rootdir/init.rc to insert g_android.ko > > (insmod /system/lib/modules/g_android.ko). > > > This is not working as I am not able to get adb shell. > > > Would you please let me know, if it is possible to compile g_android > > as module and get inserted in kernel at bootup? > > > Thanks > > Ashutosh > > > On Jul 13, 4:35 pm, Mike Lockwood <lockw...@android.com> wrote: > >> Hi Ashutosh, > > >> I think the problem is that the gadgetsupportis broken in our 2.6.27 > >> kernel. However, I do know it is working in 2.6.29. I believe if you > >> do the following: > > >> - backport the latest drivers/usb/gadget/android.c from 2.6.29 back to > >> 2.6.27 > > >> - backport the following commit from 2.6.29 to to 2.6.27: > > >> commit f9335f6d0cfa5b8fc2a10c2a63ebcd42efbf99cb > >> Author: Mike Lockwood <lockw...@android.com> > >> Date: Fri Feb 20 15:56:06 2009 -0500 > > >> [ARM] msm: htc: Clean up USBsupportin trout and sapphire board files > > >> Signed-off-by: Mike Lockwood <lockw...@android.com> > > >> - Finally, configure your kernel with the USB functionsupport > >> disabled and the followinggadgetfeatures enabled: > > >> CONFIG_USB_GADGET=y > >> CONFIG_USB_GADGET_VBUS_DRAW=500 > >> CONFIG_USB_GADGET_SELECTED=y > >> CONFIG_USB_GADGET_MSM_72K=y > >> CONFIG_USB_MSM_72K=y > >> CONFIG_USB_GADGET_DUALSPEED=y > >> CONFIG_USB_ANDROID=y > > >> I'm not sure how easy this will be to do the backporting, but it > >> should be possible. > > >> Mike > > >> On Mon, Jul 13, 2009 at 7:02 AM, Ashutosh<as...@techmahindra.com> wrote: > > >> > (especially to Mike Lockwood) > > >> > If I want to havegadgetfssupportat ADP1 and have adb working, how > >> > do I need to to configure kernel and compile? > > >> > I have tried many things including using 'CONFIG_USB_ANDROID=y' and > >> > 'CONFIG_USB_FUNCTION is not set' but nothing worked. To compile this > >> > configuration I had to make some modification in some of the files. > >> > List is as below -- > > >> > 1) In arch/arm/mach-msm/include/mach/board_htc.h (Reason: Type of > >> > t_usb_status_notifier was not visible) > > >> > 58 //#if defined(CONFIG_USB_FUNCTION_MSM_HSUSB) > > >> > 68 //#endif > > >> > 2) In arch/arm/mach-msm/htc_battery.c (Reason: Definition of > >> > usb_register_notifier() was not known. Its defintion is in drivers/usb/ > >> > function/msm_hsusb.c) > > >> > 793 // usb_register_notifier(&usb_status_notifier); > > >> > I am able to boot this image on ADP1 but when I connect it to my PC > >> > via USB it reboots. > > >> > On Jul 10, 7:05 pm, Ashutosh <as...@techmahindra.com> wrote: > >> >> Hello Everybody, > > >> >> I wanted to putsupportforgadgetfssupporton ADP1. > > >> >> I have downloaded android-1.5r2. > > >> >> My local_manifest.xml is -- > > >> >> <?xml version="1.0" encoding="UTF-8"?> > >> >> <manifest> > >> >> <remove-project name="kernel/common"/> > >> >> <project path="kernel" name="kernel/msm" revision="refs/heads/ > >> >> android-msm-2.6.27"/> > >> >> <project path="vendor/htc/dream" name="platform/vendor/htc/dream" > >> >> revision="cupcake"/> > >> >> <project path="hardware/msm7k" name="platform/hardware/msm7k" > >> >> revision="refs/heads/master"/> > >> >> </manifest> > > >> >> I have copied arch/arm/configs/msm_defconfig as .config in mydroid/ > >> >> kernel. > > >> >> I made changes in .config tosupportgadgetfs. > > >> >> As Mike has suggested > >> >> athttp://groups.google.com/group/android-platform/browse_thread/thread/... > >> >> , I have disabled CONFIG_USB_FUNCTION and enabled CONFIG_USB_GADGET > >> >> and CONFIG_USB_GADGET_MSM_72K. > > >> >> After configuring kernel,GADGETand USB_FUNCTION configuration looks > >> >> like below -- > > >> >> CONFIG_USB_GADGET=y > >> >> CONFIG_USB_GADGET_SELECTED=y > >> >> CONFIG_USB_GADGET_MSM_72K=y > >> >> CONFIG_USB_MSM_72K=y > >> >> CONFIG_USB_GADGET_DUALSPEED=y > >> >> CONFIG_USB_GADGETFS=y > > >> >> # > >> >> # USB FunctionSupport > >> >> # > >> >> # CONFIG_USB_FUNCTION is not set > > >> >> Now I try to compile kernel and get below error -- > > >> >> arch/arm/mach-msm/htc_battery.c:187: error: variable > >> >> 'usb_status_notifier' has initializer but incomplete type > >> >> arch/arm/mach-msm/htc_battery.c:188: error: unknown field 'name' > >> >> specified in initializer > >> >> arch/arm/mach-msm/htc_battery.c:188: warning: excess elements in > >> >> struct initializer > >> >> arch/arm/mach-msm/htc_battery.c:188: warning: (near initialization for > >> >> 'usb_status_notifier') > >> >> arch/arm/mach-msm/htc_battery.c:189: error: unknown field 'func' > >> >> specified in initializer > >> >> arch/arm/mach-msm/htc_battery.c:189: warning: excess elements in > >> >> struct initializer > >> >> arch/arm/mach-msm/htc_battery.c:189: warning: (near initialization for > >> >> 'usb_status_notifier') > >> >> arch/arm/mach-msm/htc_battery.c: In function 'htc_battery_init': > >> >> arch/arm/mach-msm/htc_battery.c:793: error: implicit declaration of > >> >> function 'usb_register_notifier' > > >> >> I looked for declaration of t_usb_status_notifier and found it in arch/ > >> >> arm/mach-msm/include/mach/board_htc.h, but this will be visible only > >> >> when CONFIG_USB_FUNCTION_MSM_HSUSB is defined. Since we have disabled > >> >> CONFIG_USB_FUNCTION, none of the CONFIG_USB_FUNCTION* are set. > > >> >> I have tried enabling CONFIG_USB_FUNCTION and > >> >> CONFIG_USB_FUNCTION_MSM_HSUSB but that gave many multiple definition > >> >> error. > > >> >> Please suggest how do I go about it? > > >> >> Thanks > > >> -- > >> Mike Lockwood > >> Google android team > > -- > Mike Lockwood > Google android team- 隱藏被引用文字 - > > - 顯示被引用文字 -
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