* (C) Copyright Deti Fliegl 1999
* (C) Copyright Randy Dunlap 2000
* (C) Copyright David Brownell 2000-2002
- *
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
/* used when allocating bus numbers */
#define USB_MAXBUS 64
struct usb_busmap {
- unsigned long busmap [USB_MAXBUS / (8*sizeof (unsigned long))];
+ unsigned long busmap[USB_MAXBUS / (8*sizeof (unsigned long))];
};
static struct usb_busmap busmap;
};
/* usb 2.0 root hub device descriptor */
-static const u8 usb2_rh_dev_descriptor [18] = {
+static const u8 usb2_rh_dev_descriptor[18] = {
0x12, /* __u8 bLength; */
0x01, /* __u8 bDescriptorType; Device */
0x00, 0x02, /* __le16 bcdUSB; v2.0 */
/* no usb 2.0 root hub "device qualifier" descriptor: one speed only */
/* usb 1.1 root hub device descriptor */
-static const u8 usb11_rh_dev_descriptor [18] = {
+static const u8 usb11_rh_dev_descriptor[18] = {
0x12, /* __u8 bLength; */
0x01, /* __u8 bDescriptorType; Device */
0x10, 0x01, /* __le16 bcdUSB; v1.1 */
/* Configuration descriptors for our root hubs */
-static const u8 fs_rh_config_descriptor [] = {
+static const u8 fs_rh_config_descriptor[] = {
/* one configuration */
0x09, /* __u8 bLength; */
0x01, /* __u8 bNumInterfaces; (1) */
0x01, /* __u8 bConfigurationValue; */
0x00, /* __u8 iConfiguration; */
- 0xc0, /* __u8 bmAttributes;
+ 0xc0, /* __u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
0x00, /* __u8 MaxPower; */
-
+
/* USB 1.1:
* USB 2.0, single TT organization (mandatory):
* one interface, protocol 0
0x00, /* __u8 if_bInterfaceSubClass; */
0x00, /* __u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x00, /* __u8 if_iInterface; */
-
+
/* one endpoint (status change endpoint) */
0x07, /* __u8 ep_bLength; */
0x05, /* __u8 ep_bDescriptorType; Endpoint */
0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
- 0x03, /* __u8 ep_bmAttributes; Interrupt */
- 0x02, 0x00, /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */
+ 0x03, /* __u8 ep_bmAttributes; Interrupt */
+ 0x02, 0x00, /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */
0xff /* __u8 ep_bInterval; (255ms -- usb 2.0 spec) */
};
-static const u8 hs_rh_config_descriptor [] = {
+static const u8 hs_rh_config_descriptor[] = {
/* one configuration */
0x09, /* __u8 bLength; */
0x01, /* __u8 bNumInterfaces; (1) */
0x01, /* __u8 bConfigurationValue; */
0x00, /* __u8 iConfiguration; */
- 0xc0, /* __u8 bmAttributes;
+ 0xc0, /* __u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
0x00, /* __u8 MaxPower; */
-
+
/* USB 1.1:
* USB 2.0, single TT organization (mandatory):
* one interface, protocol 0
0x00, /* __u8 if_bInterfaceSubClass; */
0x00, /* __u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x00, /* __u8 if_iInterface; */
-
+
/* one endpoint (status change endpoint) */
0x07, /* __u8 ep_bLength; */
0x05, /* __u8 ep_bDescriptorType; Endpoint */
0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
- 0x03, /* __u8 ep_bmAttributes; Interrupt */
+ 0x03, /* __u8 ep_bmAttributes; Interrupt */
/* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8)
* see hub.c:hub_configure() for details. */
(USB_MAXCHILDREN + 1 + 7) / 8, 0x00,
char const *s;
static char const langids[4] = {4, USB_DT_STRING, 0x09, 0x04};
- // language ids
+ /* language ids */
switch (id) {
case 0:
/* Array of LANGID codes (0x0409 is MSFT-speak for "en-us") */
static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
{
struct usb_ctrlrequest *cmd;
- u16 typeReq, wValue, wIndex, wLength;
+ u16 typeReq, wValue, wIndex, wLength;
u8 *ubuf = urb->transfer_buffer;
unsigned len = 0;
int status;
*/
case DeviceRequest | USB_REQ_GET_STATUS:
- tbuf [0] = (device_may_wakeup(&hcd->self.root_hub->dev)
+ tbuf[0] = (device_may_wakeup(&hcd->self.root_hub->dev)
<< USB_DEVICE_REMOTE_WAKEUP)
| (1 << USB_DEVICE_SELF_POWERED);
- tbuf [1] = 0;
+ tbuf[1] = 0;
len = 2;
break;
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
goto error;
break;
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
- tbuf [0] = 1;
+ tbuf[0] = 1;
len = 1;
/* FALLTHROUGH */
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
}
break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
- tbuf [0] = 0;
+ tbuf[0] = 0;
len = 1;
/* FALLTHROUGH */
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
break;
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
- // wValue == urb->dev->devaddr
+ /* wValue == urb->dev->devaddr */
dev_dbg (hcd->self.controller, "root hub device address %d\n",
wValue);
break;
/* ENDPOINT REQUESTS */
case EndpointRequest | USB_REQ_GET_STATUS:
- // ENDPOINT_HALT flag
- tbuf [0] = 0;
- tbuf [1] = 0;
+ /* ENDPOINT_HALT flag */
+ tbuf[0] = 0;
+ tbuf[1] = 0;
len = 2;
/* FALLTHROUGH */
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
if (urb->transfer_buffer_length < len)
len = urb->transfer_buffer_length;
urb->actual_length = len;
- // always USB_DIR_IN, toward host
+ /* always USB_DIR_IN, toward host */
memcpy (ubuf, bufp, len);
/* report whether RH hardware supports remote wakeup */
usb_hcd = bus_to_hcd(usb_bus);
result = sscanf(buf, "%u\n", &val);
if (result == 1) {
- usb_hcd->authorized_default = val? 1 : 0;
+ usb_hcd->authorized_default = val ? 1 : 0;
result = size;
- }
- else
+ } else {
result = -EINVAL;
+ }
return result;
}
static DEVICE_ATTR_RW(authorized_default);
dev_name(&usb_dev->dev), retval);
return retval;
}
+ usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev);
}
retval = usb_new_device (usb_dev);
case USB_SPEED_LOW: /* INTR only */
if (is_input) {
tmp = (67667L * (31L + 10L * BitTime (bytecount))) / 1000L;
- return (64060L + (2 * BW_HUB_LS_SETUP) + BW_HOST_DELAY + tmp);
+ return 64060L + (2 * BW_HUB_LS_SETUP) + BW_HOST_DELAY + tmp;
} else {
tmp = (66700L * (31L + 10L * BitTime (bytecount))) / 1000L;
- return (64107L + (2 * BW_HUB_LS_SETUP) + BW_HOST_DELAY + tmp);
+ return 64107L + (2 * BW_HUB_LS_SETUP) + BW_HOST_DELAY + tmp;
}
case USB_SPEED_FULL: /* ISOC or INTR */
if (isoc) {
tmp = (8354L * (31L + 10L * BitTime (bytecount))) / 1000L;
- return (((is_input) ? 7268L : 6265L) + BW_HOST_DELAY + tmp);
+ return ((is_input) ? 7268L : 6265L) + BW_HOST_DELAY + tmp;
} else {
tmp = (8354L * (31L + 10L * BitTime (bytecount))) / 1000L;
- return (9107L + BW_HOST_DELAY + tmp);
+ return 9107L + BW_HOST_DELAY + tmp;
}
case USB_SPEED_HIGH: /* ISOC or INTR */
- // FIXME adjust for input vs output
+ /* FIXME adjust for input vs output */
if (isoc)
tmp = HS_NSECS_ISO (bytecount);
else
static void __usb_hcd_giveback_urb(struct urb *urb)
{
struct usb_hcd *hcd = bus_to_hcd(urb->dev->bus);
+ struct usb_anchor *anchor = urb->anchor;
int status = urb->unlinked;
unsigned long flags;
unmap_urb_for_dma(hcd, urb);
usbmon_urb_complete(&hcd->self, urb, status);
+ usb_anchor_suspend_wakeups(anchor);
usb_unanchor_urb(urb);
/* pass ownership to the completion handler */
urb->complete(urb);
local_irq_restore(flags);
+ usb_anchor_resume_wakeups(anchor);
atomic_dec(&urb->use_count);
if (unlikely(atomic_read(&urb->reject)))
wake_up(&usb_kill_urb_queue);
urb = list_entry(local_list.next, struct urb, urb_list);
list_del_init(&urb->urb_list);
+ bh->completing_ep = urb->ep;
__usb_hcd_giveback_urb(urb);
+ bh->completing_ep = NULL;
}
/* check if there are new URBs to giveback */
case USB_ENDPOINT_XFER_INT:
s = "-intr"; break;
default:
- s = "-iso"; break;
+ s = "-iso"; break;
};
s;
}));
*
* Reverts a group of bulk endpoints back to not using stream IDs.
* Can fail if we are given bad arguments, or HCD is broken.
+ *
+ * Return: On success, the number of allocated streams. On failure, a negative
+ * error code.
*/
-void usb_free_streams(struct usb_interface *interface,
+int usb_free_streams(struct usb_interface *interface,
struct usb_host_endpoint **eps, unsigned int num_eps,
gfp_t mem_flags)
{
dev = interface_to_usbdev(interface);
hcd = bus_to_hcd(dev->bus);
if (dev->speed != USB_SPEED_SUPER)
- return;
+ return -EINVAL;
/* Streams only apply to bulk endpoints. */
for (i = 0; i < num_eps; i++)
if (!eps[i] || !usb_endpoint_xfer_bulk(&eps[i]->desc))
- return;
+ return -EINVAL;
- hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags);
+ return hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags);
}
EXPORT_SYMBOL_GPL(usb_free_streams);
}
/**
- * usb_hcd_resume_root_hub - called by HCD to resume its root hub
+ * usb_hcd_resume_root_hub - called by HCD to resume its root hub
* @hcd: host controller for this root hub
*
* The USB host controller calls this function when its root hub is
/* Keep old behaviour if authorized_default is not in [0, 1]. */
if (authorized_default < 0 || authorized_default > 1)
- hcd->authorized_default = hcd->wireless? 0 : 1;
+ hcd->authorized_default = hcd->wireless ? 0 : 1;
else
hcd->authorized_default = authorized_default;
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
err_register_bus:
hcd_buffer_destroy(hcd);
return retval;
-}
+}
EXPORT_SYMBOL_GPL(usb_add_hcd);
/**
EXPORT_SYMBOL_GPL(usb_remove_hcd);
void
-usb_hcd_platform_shutdown(struct platform_device* dev)
+usb_hcd_platform_shutdown(struct platform_device *dev)
{
struct usb_hcd *hcd = platform_get_drvdata(dev);
* Notice that the code is minimally error-proof. Because usbmon needs
* symbols from usbcore, usbcore gets referenced and cannot be unloaded first.
*/
-
+
int usb_mon_register (struct usb_mon_operations *ops)
{
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