USB: use usb_endpoint_maxp() instead of le16_to_cpu()

Now ${LINUX}/drivers/usb/* can use usb_endpoint_maxp(desc) to get maximum packet size
instead of le16_to_cpu(desc->wMaxPacketSize).
This patch fix it up

Cc: Armin Fuerst <fuerst@in.tum.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Johannes Erdfelt <johannes@erdfelt.com>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Cc: Oliver Neukum <oliver@neukum.name>
Cc: David Kubicek <dave@awk.cz>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: Brad Hards <bhards@bigpond.net.au>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Dahlmann <dahlmann.thomas@arcor.de>
Cc: David Brownell <david-b@pacbell.net>
Cc: David Lopo <dlopo@chipidea.mips.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Michal Nazarewicz <m.nazarewicz@samsung.com>
Cc: Xie Xiaobo <X.Xie@freescale.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Jiang Bo <tanya.jiang@freescale.com>
Cc: Yuan-hsin Chen <yhchen@faraday-tech.com>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Xiaochen Shen <xiaochen.shen@intel.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: Herbert Pötzl <herbert@13thfloor.at>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Roman Weissgaerber <weissg@vienna.at>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Tony Olech <tony.olech@elandigitalsystems.com>
Cc: Florian Floe Echtler <echtler@fs.tum.de>
Cc: Christian Lucht <lucht@codemercs.com>
Cc: Juergen Stuber <starblue@sourceforge.net>
Cc: Georges Toth <g.toth@e-biz.lu>
Cc: Bill Ryder <bryder@sgi.com>
Cc: Kuba Ober <kuba@mareimbrium.org>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

8 files changed, 18 insertions, 18 deletions

diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index a6afd15f6a46..fe858711651c 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -213,7 +213,7 @@ static void adu_interrupt_in_callback(struct urb *urb)
 
 	if (urb->actual_length > 0 && dev->interrupt_in_buffer[0] != 0x00) {
 		if (dev->read_buffer_length <
-		    (4 * le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize)) -
+		    (4 * usb_endpoint_maxp(dev->interrupt_in_endpoint)) -
 		     (urb->actual_length)) {
 			memcpy (dev->read_buffer_primary +
 				dev->read_buffer_length,
@@ -315,7 +315,7 @@ static int adu_open(struct inode *inode, struct file *file)
 			 usb_rcvintpipe(dev->udev,
 					dev->interrupt_in_endpoint->bEndpointAddress),
 			 dev->interrupt_in_buffer,
-			 le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+			 usb_endpoint_maxp(dev->interrupt_in_endpoint),
 			 adu_interrupt_in_callback, dev,
 			 dev->interrupt_in_endpoint->bInterval);
 	dev->read_urb_finished = 0;
@@ -483,7 +483,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 							 usb_rcvintpipe(dev->udev,
 							 		dev->interrupt_in_endpoint->bEndpointAddress),
 							 dev->interrupt_in_buffer,
-							 le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+							 usb_endpoint_maxp(dev->interrupt_in_endpoint),
 							 adu_interrupt_in_callback,
 							 dev,
 							 dev->interrupt_in_endpoint->bInterval);
@@ -536,7 +536,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 				 usb_rcvintpipe(dev->udev,
 				 		dev->interrupt_in_endpoint->bEndpointAddress),
 				dev->interrupt_in_buffer,
-				le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+				usb_endpoint_maxp(dev->interrupt_in_endpoint),
 				adu_interrupt_in_callback,
 				dev,
 				dev->interrupt_in_endpoint->bInterval);
@@ -622,7 +622,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 			dbg(4," %s : sending, count = %Zd", __func__, count);
 
 			/* write the data into interrupt_out_buffer from userspace */
-			buffer_size = le16_to_cpu(dev->interrupt_out_endpoint->wMaxPacketSize);
+			buffer_size = usb_endpoint_maxp(dev->interrupt_out_endpoint);
 			bytes_to_write = count > buffer_size ? buffer_size : count;
 			dbg(4," %s : buffer_size = %Zd, count = %Zd, bytes_to_write = %Zd",
 			    __func__, buffer_size, count, bytes_to_write);
@@ -752,8 +752,8 @@ static int adu_probe(struct usb_interface *interface,
 		goto error;
 	}
 
-	in_end_size = le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize);
-	out_end_size = le16_to_cpu(dev->interrupt_out_endpoint->wMaxPacketSize);
+	in_end_size = usb_endpoint_maxp(dev->interrupt_in_endpoint);
+	out_end_size = usb_endpoint_maxp(dev->interrupt_out_endpoint);
 
 	dev->read_buffer_primary = kmalloc((4 * in_end_size), GFP_KERNEL);
 	if (!dev->read_buffer_primary) {
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 2f41089cd854..2dbe600fbc11 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -2777,7 +2777,7 @@ static int ftdi_elan_probe(struct usb_interface *interface,
                 endpoint = &iface_desc->endpoint[i].desc;
                 if (!ftdi->bulk_in_endpointAddr &&
 		    usb_endpoint_is_bulk_in(endpoint)) {
-                        buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+                        buffer_size = usb_endpoint_maxp(endpoint);
                         ftdi->bulk_in_size = buffer_size;
                         ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress;
                         ftdi->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index c6184b4d1695..515b67fffab1 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -359,7 +359,7 @@ static int idmouse_probe(struct usb_interface *interface,
 	endpoint = &iface_desc->endpoint[0].desc;
 	if (!dev->bulk_in_endpointAddr && usb_endpoint_is_bulk_in(endpoint)) {
 		/* we found a bulk in endpoint */
-		dev->orig_bi_size = le16_to_cpu(endpoint->wMaxPacketSize);
+		dev->orig_bi_size = usb_endpoint_maxp(endpoint);
 		dev->bulk_in_size = 0x200; /* works _much_ faster */
 		dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
 		dev->bulk_in_buffer =
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index a2190b983f52..81457904d6ba 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -803,7 +803,7 @@ static int iowarrior_probe(struct usb_interface *interface,
 			dev->int_out_endpoint = endpoint;
 	}
 	/* we have to check the report_size often, so remember it in the endianess suitable for our machine */
-	dev->report_size = le16_to_cpu(dev->int_in_endpoint->wMaxPacketSize);
+	dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
 	if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&
 	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56))
 		/* IOWarrior56 has wMaxPacketSize different from report size */
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index cb4096201e29..48c166f0d764 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -721,7 +721,7 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
 	if (dev->interrupt_out_endpoint == NULL)
 		dev_warn(&intf->dev, "Interrupt out endpoint not found (using control endpoint instead)\n");
 
-	dev->interrupt_in_endpoint_size = le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize);
+	dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint);
 	dev->ring_buffer = kmalloc(ring_buffer_size*(sizeof(size_t)+dev->interrupt_in_endpoint_size), GFP_KERNEL);
 	if (!dev->ring_buffer) {
 		dev_err(&intf->dev, "Couldn't allocate ring_buffer\n");
@@ -737,7 +737,7 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
 		dev_err(&intf->dev, "Couldn't allocate interrupt_in_urb\n");
 		goto error;
 	}
-	dev->interrupt_out_endpoint_size = dev->interrupt_out_endpoint ? le16_to_cpu(dev->interrupt_out_endpoint->wMaxPacketSize) :
+	dev->interrupt_out_endpoint_size = dev->interrupt_out_endpoint ? usb_endpoint_maxp(dev->interrupt_out_endpoint) :
 									 udev->descriptor.bMaxPacketSize0;
 	dev->interrupt_out_buffer = kmalloc(write_buffer_size*dev->interrupt_out_endpoint_size, GFP_KERNEL);
 	if (!dev->interrupt_out_buffer) {
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 6482c6e2e6bd..a989356f693e 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -409,7 +409,7 @@ static int tower_open (struct inode *inode, struct file *file)
 			  dev->udev,
 			  usb_rcvintpipe(dev->udev, dev->interrupt_in_endpoint->bEndpointAddress),
 			  dev->interrupt_in_buffer,
-			  le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize),
+			  usb_endpoint_maxp(dev->interrupt_in_endpoint),
 			  tower_interrupt_in_callback,
 			  dev,
 			  dev->interrupt_in_interval);
@@ -928,7 +928,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 		err("Couldn't allocate read_buffer");
 		goto error;
 	}
-	dev->interrupt_in_buffer = kmalloc (le16_to_cpu(dev->interrupt_in_endpoint->wMaxPacketSize), GFP_KERNEL);
+	dev->interrupt_in_buffer = kmalloc (usb_endpoint_maxp(dev->interrupt_in_endpoint), GFP_KERNEL);
 	if (!dev->interrupt_in_buffer) {
 		err("Couldn't allocate interrupt_in_buffer");
 		goto error;
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 6ac106952e95..1871cdf10da3 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -347,7 +347,7 @@ static int lcd_probe(struct usb_interface *interface,
 		if (!dev->bulk_in_endpointAddr &&
 		    usb_endpoint_is_bulk_in(endpoint)) {
 			/* we found a bulk in endpoint */
-			buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+			buffer_size = usb_endpoint_maxp(endpoint);
 			dev->bulk_in_size = buffer_size;
 			dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
 			dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index bd715006b056..930962f49276 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1585,8 +1585,8 @@ static struct urb *iso_alloc_urb(
 
 	if (bytes < 0 || !desc)
 		return NULL;
-	maxp = 0x7ff & le16_to_cpu(desc->wMaxPacketSize);
-	maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11));
+	maxp = 0x7ff & usb_endpoint_maxp(desc);
+	maxp *= 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11));
 	packets = DIV_ROUND_UP(bytes, maxp);
 
 	urb = usb_alloc_urb(packets, GFP_KERNEL);
@@ -1656,7 +1656,7 @@ test_iso_queue(struct usbtest_dev *dev, struct usbtest_param *param,
 		"... iso period %d %sframes, wMaxPacket %04x\n",
 		1 << (desc->bInterval - 1),
 		(udev->speed == USB_SPEED_HIGH) ? "micro" : "",
-		le16_to_cpu(desc->wMaxPacketSize));
+		usb_endpoint_maxp(desc));
 
 	for (i = 0; i < param->sglen; i++) {
 		urbs[i] = iso_alloc_urb(udev, pipe, desc,