On Mon, 2020-08-17 at 10:54 +0300, Roger Quadros wrote: > > On 17/08/2020 10:51, Roger Quadros wrote: > > Hi, > > > > On 17/08/2020 10:40, Chunfeng Yun wrote: > >> There is only declear of usb_speed_string(), but not define it. > > > > s/declear/declaration > > > > s/not define/no definition of/ Ok, will modify it, thanks
> > > >> > >> Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com> > >> --- > >> v5: no changes > >> > >> v4: new patch > >> --- > >> drivers/usb/common/common.c | 7 +++++++ > >> include/linux/usb/ch9.h | 4 ---- > >> 2 files changed, 7 insertions(+), 4 deletions(-) > >> > >> diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c > >> index 76f5a9c..5e5c3c3 100644 > >> --- a/drivers/usb/common/common.c > >> +++ b/drivers/usb/common/common.c > >> @@ -49,6 +49,13 @@ static const char *const speed_names[] = { > >> [USB_SPEED_SUPER_PLUS] = "super-speed-plus", > >> }; > >> +const char *usb_speed_string(enum usb_device_speed speed) > >> +{ > >> + if (speed < 0 || speed >= ARRAY_SIZE(speed_names)) > >> + speed = USB_SPEED_UNKNOWN; > >> + return speed_names[speed]; > >> +} > >> + > > > > But I see it already defined here > > > > https://elixir.bootlin.com/linux/latest/source/drivers/usb/common/common.c#L72 > > Sorry, I didn't realize this is for u-boot :) > > cheers, > -roger > > > > >> enum usb_device_speed usb_get_maximum_speed(ofnode node) > >> { > >> const char *max_speed; > >> diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h > >> index 7d225ee..a8fa5d7 100644 > >> --- a/include/linux/usb/ch9.h > >> +++ b/include/linux/usb/ch9.h > >> @@ -959,8 +959,6 @@ enum usb_device_speed { > >> USB_SPEED_SUPER_PLUS, /* usb 3.1 */ > >> }; > >> -#ifdef __KERNEL__ > >> - > > > > Why do you have to remove this? > >> /** > >> * usb_speed_string() - Returns human readable-name of the speed. > >> * @speed: The speed to return human-readable name for. If it's not > >> @@ -969,8 +967,6 @@ enum usb_device_speed { > >> */ > >> extern const char *usb_speed_string(enum usb_device_speed speed); > >> -#endif > >> - > >> enum usb_device_state { > >> /* NOTATTACHED isn't in the USB spec, and this state acts > >> * the same as ATTACHED ... but it's clearer this way. > >> > > > > cheers, > > -roger >