Re: [patch] usb: dwc3: gadget: fix mask and shift order in DWC3_DCFG_NUMP()

[Felipe Balbi]

Hi,

Dan Carpenter <dan.carpenter@xxxxxxxxxx> writes:
> In the original DWC3_DCFG_NUMP() was always zero.  It looks like the
> intent was to shift first and then do the mask.
>
> Fixes: 2a58f9c12bb3 ('usb: dwc3: gadget: disable automatic calculation of ACK TP NUMP')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Thanks for this fix, I completely missed it :-) Greg, if you want to
take this as a patch, that's fine by me. Otherwise I can queue it for
-rc1. In any case, S-o-B below:

Signed-off-by: Felipe Balbi <balbi@xxxxxxxxxx>

> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index 186a886..7ddf944 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -277,7 +277,7 @@
>  #define DWC3_DCFG_FULLSPEED1	(3 << 0)
>  
>  #define DWC3_DCFG_NUMP_SHIFT	17
> -#define DWC3_DCFG_NUMP(n)	(((n) & 0x1f) >> DWC3_DCFG_NUMP_SHIFT)
> +#define DWC3_DCFG_NUMP(n)	(((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
>  #define DWC3_DCFG_NUMP_MASK	(0x1f << DWC3_DCFG_NUMP_SHIFT)
>  #define DWC3_DCFG_LPM_CAP	(1 << 22)
>  
> --
> To unsubscribe from this list: send the line "unsubscribe linux-usb" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 
balbi

Attachment: signature.asc
Description: PGP signature