[SLOF] [PATCH slof v2 03/12] usb: Compile with -Wextra

[Thomas Huth]

On 09/02/2021 02.44, Alexey Kardashevskiy wrote:
> -Wextra enables a bunch of rather useful checks which this fixes with
> one exception of -Wunused-parameter - this fixes it for debug macros only
> and leave the rest for the future as more functional change is needed.
> 
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> ---
> Changes:
> v2:
> * updated debug macros to fix -Wunused-parameter
> 


Reviewed-by: Thomas Huth <thuth at redhat.com>