linux-kernel - Re: [PATCH 2/2] sound/usb: Use negated usb_endpoint_xfer

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Date:	Sun, 04 Jan 2009 12:24:20 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Julia Lawall <julia@...u.dk>
Cc:	alsa-devel@...a-project.org, gregkh@...e.de,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2] sound/usb: Use negated usb_endpoint_xfer_control, etc

At Sat, 3 Jan 2009 17:54:53 +0100 (CET),
Julia Lawall wrote:
> 
> From: Julia Lawall <julia@...u.dk>
> 
> This patch extends 42a6e66f1e40a930d093c33ba0bb9d8d8e4555ed by using
> usb_endpoint_xfer_control, usb_endpoint_xfer_isoc, usb_endpoint_xfer_bulk,
> and usb_endpoint_xfer_int in the negated case as well.
> 
> This patch also rewrites some calls to usb_endpoint_dir_in as negated calls
> to !usb_endpoint_dir_out, and vice versa, to better correspond to the
> intent of the original code.
> 
> The semantic patch that makes this change is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
> 
> // <smpl>
> @@ struct usb_endpoint_descriptor *epd; @@
> 
> - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_CONTROL\|0\))
> + !usb_endpoint_xfer_control(epd)
> 
> @@ struct usb_endpoint_descriptor *epd; @@
> 
> - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_ISOC\|1\))
> + !usb_endpoint_xfer_isoc(epd)
> 
> @@ struct usb_endpoint_descriptor *epd; @@
> 
> - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_BULK\|2\))
> + !usb_endpoint_xfer_bulk(epd)
> 
> @@ struct usb_endpoint_descriptor *epd; @@
> 
> - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_INT\|3\))
> + !usb_endpoint_xfer_int(epd)
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

Applied now.  Thanks.


Takashi
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