On Sun, Dec 31, 2023 at 03:38:37PM -0500, Aren Moynihan wrote: > Add support for building the sunxi-musb driver with DM_USB_GADGET > including adding a separate IRQ handling function and registering the > driver with the musb system differently.
Hi there, Were you aware of this similar patch? https://lore.kernel.org/u-boot/20230608195631.55364-1-cfswo...@gmail.com/ If not you might want to test it and compare it. John. > The implementation of usb_gadget_register_driver from > musb-new/musb_uboot.c only works when the gadget driver for the device > has already been probed and has called musb_register. On the pinephone > (using a allwinner a64 processor) this causes issues when trying to use > usb gadget mode (such as from the ums command) and CONFIG_USB_ETHER is > disabled. > > The implementation of usb_gadget_register_driver provided when > DM_USB_GADGET is enabled will probe the necessary drivers when it's > called. > > Without the patch, this is what the error condition looks like: > => ums 0 mmc 1 > UMS: LUN 0, dev mmc 1, hwpart 0, sector 0x0, count 0x3a3e000 > Controller uninitialized > g_dnl_register: failed!, error: -6 > g_dnl_register failed > > based on: > commit 2e4865bc6486 ("musb-new: omap2430: fix compiling in DM_USB_GADGET > config") > > Signed-off-by: Aren Moynihan <a...@peacevolution.org>
