On 2/11/14 11:56 PM, Jingoo Han wrote: > On Wednesday, February 12, 2014 2:34 PM, Stephen Warren wrote: >> On 02/04/2014 02:45 PM, dinguyen@xxxxxxxxxx wrote: >>> From: Dinh Nguyen <dinguyen@xxxxxxxxxx> >>> >>> This means that the driver can be in host or peripheral mode when the appropriate >>> connector is used. When an A-cable is plugged in, the driver behaves in host >>> mode, and when a B-cable is used, the driver will be in peripheral mode. >> Sorry for the slow response. When building ARCH=arm bcm2835_defconfig, I >> get build errors: Thanks for testing. >> >>> drivers/built-in.o: In function `dwc2_gadget_init': >>> drivers/usb/dwc2/s3c-hsotg.c:3335: undefined reference to `usb_add_gadget_udc' >>> drivers/built-in.o: In function `s3c_hsotg_remove': >>> drivers/usb/dwc2/s3c-hsotg.c:3358: undefined reference to `usb_del_gadget_udc' >>> drivers/usb/dwc2/s3c-hsotg.c:3364: undefined reference to `usb_gadget_unregister_driver' > These errors happen when CONFIG_USB_GADGET=n. 's3c-hsotg.c' > supports only gadget mode. In the case of USB_DWC2_HOST mode, > CONFIG_USB_GADGET is NOT enabled. I don't know how to solve it. I'm working on v2 of this patch. I think I can make the Kconfig more flexible by selecting USB_GADGET for dual-role or gadget. Or I can make the new driver more independent for the various modes, meaning if the driver is built for HOST mode, it shouldn't be dependent on gadget functions. Dinh > > Best regards, > Jingoo Han > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
