Re: [RFC/PATCH 39/45] usb: gadget: udc: net2280: remove unnecessary & operation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 28, 2016 at 04:05:48PM +0300, Felipe Balbi wrote:
> Now that usb_endpoint_maxp() only returns the lowest
> 11 bits from wMaxPacketSize, we can remove the &
> operation from this driver.
> 
> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/gadget/udc/net2280.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
> index 61c938c36d88..85504419ab31 100644
> --- a/drivers/usb/gadget/udc/net2280.c
> +++ b/drivers/usb/gadget/udc/net2280.c
> @@ -224,14 +224,14 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
>  	}
>  
>  	/* sanity check ep-e/ep-f since their fifos are small */
> -	max = usb_endpoint_maxp(desc) & 0x1fff;
> +	max = usb_endpoint_maxp(desc);

The mask is 0x1fff, which keeps bit 11 & 12.

>  	if (ep->num > 4 && max > 64 && (dev->quirks & PLX_LEGACY)) {
>  		ret = -ERANGE;
>  		goto print_err;
>  	}
>  
>  	spin_lock_irqsave(&dev->lock, flags);
> -	_ep->maxpacket = max & 0x7ff;
> +	_ep->maxpacket = max;
>  	ep->desc = desc;
>  
>  	/* ep_reset() has already been called */
> @@ -1839,7 +1839,7 @@ static ssize_t queues_show(struct device *_dev, struct device_attribute *attr,
>  				ep->ep.name, t & USB_ENDPOINT_NUMBER_MASK,
>  				(t & USB_DIR_IN) ? "in" : "out",
>  				type_string(d->bmAttributes),
> -				usb_endpoint_maxp(d) & 0x1fff,
> +				usb_endpoint_maxp(d),

The same here.

Regards,
-Bin.

>  				ep->dma ? "dma" : "pio", ep->fifo_size
>  				);
>  		} else /* ep0 should only have one transfer queued */
> -- 
> 2.10.0.440.g21f862b
> 
> --
> 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
--
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



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux