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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-08-23 03:12:03 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-23 09:47:40 -0700
commit29cc88979a8818cd8c5019426e945aed118b400e (patch)
tree849401ad869d09ce45dd7a3fadd7eb71b1e9fcbd /drivers/usb/core
parent46a57283e86c68351377ac3349f1465aee938fbd (diff)
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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 Pƶtzl <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>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/config.c8
-rw-r--r--drivers/usb/core/devices.c4
-rw-r--r--drivers/usb/core/endpoint.c2
-rw-r--r--drivers/usb/core/hub.c2
-rw-r--r--drivers/usb/core/urb.c2
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",