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>

1 files changed, 6 insertions, 8 deletions

diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index e4e59b4de25d..7862465291d1 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -232,8 +232,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
         if (!_ep || !desc || ep->desc || _ep->name == ep0name
                         || desc->bDescriptorType != USB_DT_ENDPOINT
                         || ep->bEndpointAddress != desc->bEndpointAddress
-                        || ep->fifo_size < le16_to_cpu
-                                                (desc->wMaxPacketSize)) {
+                        || ep->fifo_size < usb_endpoint_maxp (desc)) {
                 DMSG("%s, bad ep or descriptor\n", __func__);
                 return -EINVAL;
         }
@@ -248,7 +247,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
 
         /* hardware _could_ do smaller, but driver doesn't */
         if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
-                                && le16_to_cpu (desc->wMaxPacketSize)
+                                && usb_endpoint_maxp (desc)
                                                 != BULK_FIFO_SIZE)
                         || !desc->wMaxPacketSize) {
                 DMSG("%s, bad %s maxpacket\n", __func__, _ep->name);
@@ -264,7 +263,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
         ep->desc = desc;
         ep->stopped = 0;
         ep->pio_irqs = 0;
-        ep->ep.maxpacket = le16_to_cpu (desc->wMaxPacketSize);
+        ep->ep.maxpacket = usb_endpoint_maxp (desc);
 
         /* flush fifo (mostly for OUT buffers) */
         pxa25x_ep_fifo_flush (_ep);
@@ -401,7 +400,7 @@ write_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req)
 {
         unsigned                max;
 
-        max = le16_to_cpu(ep->desc->wMaxPacketSize);
+        max = usb_endpoint_maxp(ep->desc);
         do {
                 unsigned        count;
                 int             is_last, is_short;
@@ -671,8 +670,7 @@ pxa25x_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
          * we can report per-packet status.  that also helps with dma.
          */
         if (unlikely (ep->bmAttributes == USB_ENDPOINT_XFER_ISOC
-                        && req->req.length > le16_to_cpu
-                                                (ep->desc->wMaxPacketSize)))
+                        && req->req.length > usb_endpoint_maxp (ep->desc)))
                 return -EMSGSIZE;
 
         DBG(DBG_NOISY, "%s queue req %p, len %d buf %p\n",
@@ -1105,7 +1103,7 @@ udc_seq_show(struct seq_file *m, void *_d)
                         tmp = *dev->ep [i].reg_udccs;
                         seq_printf(m,
                                 "%s max %d %s udccs %02x irqs %lu\n",
-                                ep->ep.name, le16_to_cpu(desc->wMaxPacketSize),
+                                ep->ep.name, usb_endpoint_maxp(desc),
                                 "pio", tmp, ep->pio_irqs);
                         /* TODO translate all five groups of udccs bits! */