Hello Marek,
tbs2910_defconfig does not compile with gcc 9.2.1:
In file included from drivers/usb/gadget/g_dnl.c:24: drivers/usb/gadget/composite.c: In function ‘get_string’: drivers/usb/gadget/composite.c:545:23: error: taking address of packed member of ‘struct usb_string_descriptor’ may result in an unaligned pointer value [-Werror=address-of-packed-member] 545 | collect_langs(sp, s->wData); | ~^~~~~~~ drivers/usb/gadget/composite.c:550:24: error: taking address of packed member of ‘struct usb_string_descriptor’ may result in an unaligned pointer value [-Werror=address-of-packed-member] 550 | collect_langs(sp, s->wData); | ~^~~~~~~ drivers/usb/gadget/composite.c:555:25: error: taking address of packed member of ‘struct usb_string_descriptor’ may result in an unaligned pointer value [-Werror=address-of-packed-member] 555 | collect_langs(sp, s->wData); | ~^~~~~~~
Best regards
Heinrich