On Tue, Aug 04, 2015 at 11:04:38AM -0500, Felipe Balbi wrote:
> commit 913e4a90b6f9 ("usb: gadget: f_uac2:
> finalize wMaxPacketSize according to bandwidth")
> added a possible build warning when calling
> min(). In order to fix the warning, we just
> make sure to call min_t() and tell that its
> arguments should be u16.
>
> Cc: Peter Chen <[email protected]>
> Signed-off-by: Felipe Balbi <[email protected]>
> ---
> drivers/usb/gadget/function/f_uac2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/function/f_uac2.c
> b/drivers/usb/gadget/function/f_uac2.c
> index b5680246d6aa..c35a2a1157d5 100644
> --- a/drivers/usb/gadget/function/f_uac2.c
> +++ b/drivers/usb/gadget/function/f_uac2.c
> @@ -994,7 +994,7 @@ static void set_ep_max_packet_size(const struct
> f_uac2_opts *uac2_opts,
>
> max_packet_size = num_channels(chmask) * ssize *
> DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)));
> - ep_desc->wMaxPacketSize = cpu_to_le16(min(max_packet_size,
> + ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size,
> le16_to_cpu(ep_desc->wMaxPacketSize)));
> }
>
> --
> 2.5.0
>
Felipe, thanks for your fix. By the way, how to trigger this build
warning?
--
Best Regards,
Peter Chen
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