On Wed, Aug 31, 2011 at 9:28 AM, Gary Thomas <g...@mlbassoc.com> wrote:
> I'm using v2011.06 on the TI OMAP3 platform (internal, similar to > BeagleBoard) > > I'd like my board to support both EHCI and MUSB in host mode. > However, when I define both of these, I get compile errors: > drivers/usb/musb/libusb_musb.o: In function `usb_lowlevel_stop': > /local/DM3730/u-boot/drivers/usb/musb/musb_hcd.c:1149: multiple definition > of `usb_lowlevel_stop' > drivers/usb/host/libusb_host.o:/local/DM3730/u-boot/drivers/usb/host/ehci-hcd.c:795: > first defined here > drivers/usb/musb/libusb_musb.o: In function `submit_int_msg': > /local/DM3730/u-boot/drivers/usb/musb/musb_hcd.c:1162: multiple definition > of `submit_int_msg' > drivers/usb/host/libusb_host.o:/local/DM3730/u-boot/drivers/usb/host/ehci-hcd.c:900: > first defined here > drivers/usb/musb/libusb_musb.o: In function `submit_bulk_msg': > /local/DM3730/u-boot/drivers/usb/musb/musb_hcd.c:949: multiple definition > of `submit_bulk_msg' > drivers/usb/host/libusb_host.o:/local/DM3730/u-boot/drivers/usb/host/ehci-hcd.c:865: > first defined here > drivers/usb/musb/libusb_musb.o: In function `submit_control_msg': > /local/DM3730/u-boot/drivers/usb/musb/musb_hcd.c:849: multiple definition > of `submit_control_msg' > drivers/usb/host/libusb_host.o:/local/DM3730/u-boot/drivers/usb/host/ehci-hcd.c:877: > first defined here > drivers/usb/musb/libusb_musb.o: In function `usb_lowlevel_init': > /local/DM3730/u-boot/drivers/usb/musb/musb_hcd.c:1097: multiple definition > of `usb_lowlevel_init' > drivers/usb/host/libusb_host.o:/local/DM3730/u-boot/drivers/usb/host/ehci-hcd.c:799: > first defined here > > Is this expected to work? If not, any pointers on how I might make > both controllers play nice? > > I think the answer there is no the musb* and ehci* apis both expect to be the only usb host code enabled at any one time. I suspect to fix this you would have to add some abstration to u-boot to deal with multiple host controlllers at runtime. --john
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