On Fri, 21 May 2021 at 04:01, Wei Yongjun <weiyongjun1@xxxxxxxxxx> wrote:
>
> Gcc report build error as following when CONFIG_WWAN_CORE is not set:
>
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_disconnect':
> cdc-wdm.c:(.text+0xb2a): undefined reference to `wwan_remove_port'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_in_callback':
> cdc-wdm.c:(.text+0xf23): undefined reference to `wwan_port_rx'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_wwan_port_stop':
> cdc-wdm.c:(.text+0x127d): undefined reference to `wwan_port_get_drvdata'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_wwan_port_tx':
> cdc-wdm.c:(.text+0x12d9): undefined reference to `wwan_port_get_drvdata'
> x86_64-linux-gnu-ld: cdc-wdm.c:(.text+0x13c1): undefined reference to `wwan_port_txoff'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_wwan_port_start':
> cdc-wdm.c:(.text+0x13e0): undefined reference to `wwan_port_get_drvdata'
> x86_64-linux-gnu-ld: cdc-wdm.c:(.text+0x1431): undefined reference to `wwan_port_txon'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_wwan_port_tx_complete':
> cdc-wdm.c:(.text+0x14a4): undefined reference to `wwan_port_txon'
> x86_64-linux-gnu-ld: drivers/usb/class/cdc-wdm.o: in function `wdm_create.cold':
> cdc-wdm.c:(.text.unlikely+0x209): undefined reference to `wwan_create_port'
>
> Using CONFIG_WWAN_CORE instead of CONFIG_WWAN to avoid build error.
>
> Fixes: cac6fb015f71 ("usb: class: cdc-wdm: WWAN framework integration")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Reviewed-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
