Commit d7889c20 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Greg Kroah-Hartman
Browse files

usb: gadget: select CONFIG_CRC32 



Without crc32 support, this driver fails to link:

arm-linux-gnueabi-ld: drivers/usb/gadget/function/f_eem.o: in function `eem_unwrap':
f_eem.c:(.text+0x11cc): undefined reference to `crc32_le'
arm-linux-gnueabi-ld: drivers/usb/gadget/function/f_ncm.o:f_ncm.c:(.text+0x1e40):
more undefined references to `crc32_le' follow

Fixes: 6d3865f9 ("usb: gadget: NCM: Add transmit multi-frame.")
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210103214224.1996535-1-arnd@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7043e311

drivers/usb/gadget/Kconfig

+2 −0
Original line number Original line Diff line number Diff line
@@ -265,6 +265,7 @@ config USB_CONFIGFS_NCM 
	depends on NET

	depends on NET

	select USB_U_ETHER

	select USB_U_ETHER

	select USB_F_NCM

	select USB_F_NCM

	select CRC32

	help

	help

	  NCM is an advanced protocol for Ethernet encapsulation, allows

	  NCM is an advanced protocol for Ethernet encapsulation, allows

	  grouping of several ethernet frames into one USB transfer and

	  grouping of several ethernet frames into one USB transfer and
@@ -314,6 +315,7 @@ config USB_CONFIGFS_EEM 
	depends on NET

	depends on NET

	select USB_U_ETHER

	select USB_U_ETHER

	select USB_F_EEM

	select USB_F_EEM

	select CRC32

	help

	help

	  CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM

	  CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM

	  and therefore can be supported by more hardware.  Technically ECM and

	  and therefore can be supported by more hardware.  Technically ECM and