linux-kernel - [PATCH] radio-si470x-usb: use USB API functions rather than constants

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Message-ID: <20140815162114.GA7091@himangi-Dell>
Date:	Fri, 15 Aug 2014 21:51:15 +0530
From:	Himangi Saraogi <himangi774@...il.com>
To:	Hans Verkuil <hverkuil@...all.nl>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH] radio-si470x-usb: use USB API functions rather than constants

This patch introduces the use of the function usb_endpoint_is_int_in.

The Coccinelle semantic patch that makes these changes is as follows:

@@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) ==
-  \(USB_DIR_IN\|0x80\))
+ usb_endpoint_dir_in(epd)

@@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) ==
- \(USB_ENDPOINT_XFER_INT\|3\))
+ usb_endpoint_xfer_int(epd)

@@ struct usb_endpoint_descriptor *epd; @@

- (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd))
+ usb_endpoint_is_int_in(epd)

Signed-off-by: Himangi Saraogi <himangi774@...il.com>
Acked-by: Julia Lawall <julia.lawall@...6.fr>
---
 drivers/media/radio/si470x/radio-si470x-usb.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index 494fac0..57f0bc3 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -607,9 +607,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 	/* Set up interrupt endpoint information. */
 	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
 		endpoint = &iface_desc->endpoint[i].desc;
-		if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
-		 USB_DIR_IN) && ((endpoint->bmAttributes &
-		 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT))
+		if (usb_endpoint_is_int_in(endpoint))
 			radio->int_in_endpoint = endpoint;
 	}
 	if (!radio->int_in_endpoint) {
-- 
1.9.1

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