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>

5 files changed, 9 insertions, 9 deletions

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 26678cadfb21..9d5e07af55be 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -124,9 +124,9 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
 
         if (usb_endpoint_xfer_isoc(&ep->desc))
                 max_tx = (desc->bMaxBurst + 1) * (desc->bmAttributes + 1) *
-                        le16_to_cpu(ep->desc.wMaxPacketSize);
+                        usb_endpoint_maxp(&ep->desc);
         else if (usb_endpoint_xfer_int(&ep->desc))
-                max_tx = le16_to_cpu(ep->desc.wMaxPacketSize) *
+                max_tx = usb_endpoint_maxp(&ep->desc) *
                         (desc->bMaxBurst + 1);
         else
                 max_tx = 999999;
@@ -241,7 +241,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                     cfgno, inum, asnum, d->bEndpointAddress);
                 endpoint->desc.bmAttributes = USB_ENDPOINT_XFER_INT;
                 endpoint->desc.bInterval = 1;
-                if (le16_to_cpu(endpoint->desc.wMaxPacketSize) > 8)
+                if (usb_endpoint_maxp(&endpoint->desc) > 8)
                         endpoint->desc.wMaxPacketSize = cpu_to_le16(8);
         }
 
@@ -254,7 +254,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                         && usb_endpoint_xfer_bulk(d)) {
                 unsigned maxp;
 
-                maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize) & 0x07ff;
+                maxp = usb_endpoint_maxp(&endpoint->desc) & 0x07ff;
                 if (maxp != 512)
                         dev_warn(ddev, "config %d interface %d altsetting %d "
                                 "bulk endpoint 0x%X has invalid maxpacket %d\n",
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 0149c0976e9c..d95696584762 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -190,7 +190,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
         dir = usb_endpoint_dir_in(desc) ? 'I' : 'O';
 
         if (speed == USB_SPEED_HIGH) {
-                switch (le16_to_cpu(desc->wMaxPacketSize) & (0x03 << 11)) {
+                switch (usb_endpoint_maxp(desc) & (0x03 << 11)) {
                 case 1 << 11:
                         bandwidth = 2; break;
                 case 2 << 11:
@@ -240,7 +240,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
 
         start += sprintf(start, format_endpt, desc->bEndpointAddress, dir,
                          desc->bmAttributes, type,
-                         (le16_to_cpu(desc->wMaxPacketSize) & 0x07ff) *
+                         (usb_endpoint_maxp(desc) & 0x07ff) *
                          bandwidth,
                          interval, unit);
         return start;
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index df502a98d0df..db7fe50c23d4 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -56,7 +56,7 @@ static ssize_t show_ep_wMaxPacketSize(struct device *dev,
 {
         struct ep_device *ep = to_ep_device(dev);
         return sprintf(buf, "%04x\n",
-                        le16_to_cpu(ep->desc->wMaxPacketSize) & 0x07ff);
+                        usb_endpoint_maxp(ep->desc) & 0x07ff);
 }
 static DEVICE_ATTR(wMaxPacketSize, S_IRUGO, show_ep_wMaxPacketSize, NULL);
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 99fff6be3641..338f91ff54cb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3018,7 +3018,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
                 i = 512;
         else
                 i = udev->descriptor.bMaxPacketSize0;
-        if (le16_to_cpu(udev->ep0.desc.wMaxPacketSize) != i) {
+        if (usb_endpoint_maxp(&udev->ep0.desc) != i) {
                 if (udev->speed == USB_SPEED_LOW ||
                                 !(i == 8 || i == 16 || i == 32 || i == 64)) {
                         dev_err(&udev->dev, "Invalid ep0 maxpacket: %d\n", i);
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index ae334b067c13..909625b91eb3 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -350,7 +350,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
                         dev->state < USB_STATE_CONFIGURED)
                 return -ENODEV;
 
-        max = le16_to_cpu(ep->desc.wMaxPacketSize);
+        max = usb_endpoint_maxp(&ep->desc);
         if (max <= 0) {
                 dev_dbg(&dev->dev,
                         "bogus endpoint ep%d%s in %s (bad maxpacket %d)\n",