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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2001-2002 by David Brownell | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation; either version 2 of the License, or (at your | |
7 | * option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software Foundation, | |
16 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | ||
20 | #ifdef __KERNEL__ | |
21 | ||
22 | /* This file contains declarations of usbcore internals that are mostly | |
23 | * used or exposed by Host Controller Drivers. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * USB Packet IDs (PIDs) | |
28 | */ | |
29 | #define USB_PID_UNDEF_0 0xf0 | |
30 | #define USB_PID_OUT 0xe1 | |
31 | #define USB_PID_ACK 0xd2 | |
32 | #define USB_PID_DATA0 0xc3 | |
33 | #define USB_PID_PING 0xb4 /* USB 2.0 */ | |
34 | #define USB_PID_SOF 0xa5 | |
35 | #define USB_PID_NYET 0x96 /* USB 2.0 */ | |
36 | #define USB_PID_DATA2 0x87 /* USB 2.0 */ | |
37 | #define USB_PID_SPLIT 0x78 /* USB 2.0 */ | |
38 | #define USB_PID_IN 0x69 | |
39 | #define USB_PID_NAK 0x5a | |
40 | #define USB_PID_DATA1 0x4b | |
41 | #define USB_PID_PREAMBLE 0x3c /* Token mode */ | |
42 | #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ | |
43 | #define USB_PID_SETUP 0x2d | |
44 | #define USB_PID_STALL 0x1e | |
45 | #define USB_PID_MDATA 0x0f /* USB 2.0 */ | |
46 | ||
47 | /*-------------------------------------------------------------------------*/ | |
48 | ||
49 | /* | |
50 | * USB Host Controller Driver (usb_hcd) framework | |
51 | * | |
52 | * Since "struct usb_bus" is so thin, you can't share much code in it. | |
53 | * This framework is a layer over that, and should be more sharable. | |
54 | */ | |
55 | ||
56 | /*-------------------------------------------------------------------------*/ | |
57 | ||
58 | struct usb_hcd { /* usb_bus.hcpriv points to this */ | |
59 | ||
60 | /* | |
61 | * housekeeping | |
62 | */ | |
63 | struct usb_bus self; /* hcd is-a bus */ | |
64 | ||
65 | const char *product_desc; /* product/vendor string */ | |
66 | char irq_descr[24]; /* driver + bus # */ | |
67 | ||
d5926ae7 AS |
68 | struct timer_list rh_timer; /* drives root-hub polling */ |
69 | struct urb *status_urb; /* the current status urb */ | |
1da177e4 LT |
70 | |
71 | /* | |
72 | * hardware info/state | |
73 | */ | |
74 | const struct hc_driver *driver; /* hw-specific hooks */ | |
8de98402 BH |
75 | |
76 | /* Flags that need to be manipulated atomically */ | |
77 | unsigned long flags; | |
78 | #define HCD_FLAG_HW_ACCESSIBLE 0x00000001 | |
79 | #define HCD_FLAG_SAW_IRQ 0x00000002 | |
80 | ||
1da177e4 LT |
81 | unsigned rh_registered:1;/* is root hub registered? */ |
82 | ||
d5926ae7 AS |
83 | /* The next flag is a stopgap, to be removed when all the HCDs |
84 | * support the new root-hub polling mechanism. */ | |
85 | unsigned uses_new_polling:1; | |
86 | unsigned poll_rh:1; /* poll for rh status? */ | |
87 | unsigned poll_pending:1; /* status has changed? */ | |
88 | ||
1da177e4 LT |
89 | int irq; /* irq allocated */ |
90 | void __iomem *regs; /* device memory/io */ | |
91 | u64 rsrc_start; /* memory/io resource start */ | |
92 | u64 rsrc_len; /* memory/io resource length */ | |
7d35b929 | 93 | unsigned power_budget; /* in mA, 0 = no limit */ |
1da177e4 LT |
94 | |
95 | #define HCD_BUFFER_POOLS 4 | |
96 | struct dma_pool *pool [HCD_BUFFER_POOLS]; | |
97 | ||
98 | int state; | |
99 | # define __ACTIVE 0x01 | |
100 | # define __SUSPEND 0x04 | |
101 | # define __TRANSIENT 0x80 | |
102 | ||
103 | # define HC_STATE_HALT 0 | |
104 | # define HC_STATE_RUNNING (__ACTIVE) | |
105 | # define HC_STATE_QUIESCING (__SUSPEND|__TRANSIENT|__ACTIVE) | |
106 | # define HC_STATE_RESUMING (__SUSPEND|__TRANSIENT) | |
107 | # define HC_STATE_SUSPENDED (__SUSPEND) | |
108 | ||
109 | #define HC_IS_RUNNING(state) ((state) & __ACTIVE) | |
110 | #define HC_IS_SUSPENDED(state) ((state) & __SUSPEND) | |
111 | ||
112 | /* more shared queuing code would be good; it should support | |
113 | * smarter scheduling, handle transaction translators, etc; | |
114 | * input size of periodic table to an interrupt scheduler. | |
115 | * (ohci 32, uhci 1024, ehci 256/512/1024). | |
116 | */ | |
117 | ||
118 | /* The HC driver's private data is stored at the end of | |
119 | * this structure. | |
120 | */ | |
121 | unsigned long hcd_priv[0] | |
122 | __attribute__ ((aligned (sizeof(unsigned long)))); | |
123 | }; | |
124 | ||
125 | /* 2.4 does this a bit differently ... */ | |
126 | static inline struct usb_bus *hcd_to_bus (struct usb_hcd *hcd) | |
127 | { | |
128 | return &hcd->self; | |
129 | } | |
130 | ||
131 | ||
132 | // urb.hcpriv is really hardware-specific | |
133 | ||
134 | struct hcd_timeout { /* timeouts we allocate */ | |
135 | struct list_head timeout_list; | |
136 | struct timer_list timer; | |
137 | }; | |
138 | ||
139 | /*-------------------------------------------------------------------------*/ | |
140 | ||
141 | /* | |
142 | * FIXME usb_operations should vanish or become hc_driver, | |
143 | * when usb_bus and usb_hcd become the same thing. | |
144 | */ | |
145 | ||
146 | struct usb_operations { | |
147 | int (*get_frame_number) (struct usb_device *usb_dev); | |
55016f10 | 148 | int (*submit_urb) (struct urb *urb, gfp_t mem_flags); |
1da177e4 LT |
149 | int (*unlink_urb) (struct urb *urb, int status); |
150 | ||
151 | /* allocate dma-consistent buffer for URB_DMA_NOMAPPING */ | |
152 | void *(*buffer_alloc)(struct usb_bus *bus, size_t size, | |
55016f10 | 153 | gfp_t mem_flags, |
1da177e4 LT |
154 | dma_addr_t *dma); |
155 | void (*buffer_free)(struct usb_bus *bus, size_t size, | |
156 | void *addr, dma_addr_t dma); | |
157 | ||
158 | void (*disable)(struct usb_device *udev, | |
159 | struct usb_host_endpoint *ep); | |
1da177e4 LT |
160 | }; |
161 | ||
162 | /* each driver provides one of these, and hardware init support */ | |
163 | ||
164 | struct pt_regs; | |
165 | ||
166 | struct hc_driver { | |
167 | const char *description; /* "ehci-hcd" etc */ | |
168 | const char *product_desc; /* product/vendor string */ | |
169 | size_t hcd_priv_size; /* size of private data */ | |
170 | ||
171 | /* irq handler */ | |
172 | irqreturn_t (*irq) (struct usb_hcd *hcd, struct pt_regs *regs); | |
173 | ||
174 | int flags; | |
175 | #define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */ | |
176 | #define HCD_USB11 0x0010 /* USB 1.1 */ | |
177 | #define HCD_USB2 0x0020 /* USB 2.0 */ | |
178 | ||
179 | /* called to init HCD and root hub */ | |
180 | int (*reset) (struct usb_hcd *hcd); | |
181 | int (*start) (struct usb_hcd *hcd); | |
182 | ||
183 | /* NOTE: these suspend/resume calls relate to the HC as | |
5f827ea3 | 184 | * a whole, not just the root hub; they're for PCI bus glue. |
1da177e4 | 185 | */ |
5f827ea3 | 186 | /* called after suspending the hub, before entering D3 etc */ |
9a5d3e98 | 187 | int (*suspend) (struct usb_hcd *hcd, pm_message_t message); |
1da177e4 | 188 | |
5f827ea3 | 189 | /* called after entering D0 (etc), before resuming the hub */ |
1da177e4 LT |
190 | int (*resume) (struct usb_hcd *hcd); |
191 | ||
192 | /* cleanly make HCD stop writing memory and doing I/O */ | |
193 | void (*stop) (struct usb_hcd *hcd); | |
194 | ||
64a21d02 AG |
195 | /* shutdown HCD */ |
196 | void (*shutdown) (struct usb_hcd *hcd); | |
197 | ||
1da177e4 LT |
198 | /* return current frame number */ |
199 | int (*get_frame_number) (struct usb_hcd *hcd); | |
200 | ||
201 | /* manage i/o requests, device state */ | |
202 | int (*urb_enqueue) (struct usb_hcd *hcd, | |
203 | struct usb_host_endpoint *ep, | |
204 | struct urb *urb, | |
55016f10 | 205 | gfp_t mem_flags); |
1da177e4 LT |
206 | int (*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb); |
207 | ||
208 | /* hw synch, freeing endpoint resources that urb_dequeue can't */ | |
209 | void (*endpoint_disable)(struct usb_hcd *hcd, | |
210 | struct usb_host_endpoint *ep); | |
211 | ||
212 | /* root hub support */ | |
213 | int (*hub_status_data) (struct usb_hcd *hcd, char *buf); | |
214 | int (*hub_control) (struct usb_hcd *hcd, | |
215 | u16 typeReq, u16 wValue, u16 wIndex, | |
216 | char *buf, u16 wLength); | |
0c0382e3 AS |
217 | int (*bus_suspend)(struct usb_hcd *); |
218 | int (*bus_resume)(struct usb_hcd *); | |
1da177e4 | 219 | int (*start_port_reset)(struct usb_hcd *, unsigned port_num); |
d5926ae7 AS |
220 | void (*hub_irq_enable)(struct usb_hcd *); |
221 | /* Needed only if port-change IRQs are level-triggered */ | |
1da177e4 LT |
222 | }; |
223 | ||
224 | extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb, struct pt_regs *regs); | |
225 | ||
226 | extern struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, | |
227 | struct device *dev, char *bus_name); | |
228 | extern void usb_put_hcd (struct usb_hcd *hcd); | |
229 | extern int usb_add_hcd(struct usb_hcd *hcd, | |
230 | unsigned int irqnum, unsigned long irqflags); | |
231 | extern void usb_remove_hcd(struct usb_hcd *hcd); | |
232 | ||
64a21d02 AG |
233 | struct platform_device; |
234 | extern void usb_hcd_platform_shutdown(struct platform_device* dev); | |
235 | ||
1da177e4 LT |
236 | #ifdef CONFIG_PCI |
237 | struct pci_dev; | |
238 | struct pci_device_id; | |
239 | extern int usb_hcd_pci_probe (struct pci_dev *dev, | |
240 | const struct pci_device_id *id); | |
241 | extern void usb_hcd_pci_remove (struct pci_dev *dev); | |
242 | ||
243 | #ifdef CONFIG_PM | |
9a5d3e98 | 244 | extern int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t state); |
1da177e4 LT |
245 | extern int usb_hcd_pci_resume (struct pci_dev *dev); |
246 | #endif /* CONFIG_PM */ | |
247 | ||
64a21d02 AG |
248 | extern void usb_hcd_pci_shutdown (struct pci_dev *dev); |
249 | ||
1da177e4 LT |
250 | #endif /* CONFIG_PCI */ |
251 | ||
252 | /* pci-ish (pdev null is ok) buffer alloc/mapping support */ | |
253 | int hcd_buffer_create (struct usb_hcd *hcd); | |
254 | void hcd_buffer_destroy (struct usb_hcd *hcd); | |
255 | ||
256 | void *hcd_buffer_alloc (struct usb_bus *bus, size_t size, | |
55016f10 | 257 | gfp_t mem_flags, dma_addr_t *dma); |
1da177e4 LT |
258 | void hcd_buffer_free (struct usb_bus *bus, size_t size, |
259 | void *addr, dma_addr_t dma); | |
260 | ||
261 | /* generic bus glue, needed for host controllers that don't use PCI */ | |
262 | extern irqreturn_t usb_hcd_irq (int irq, void *__hcd, struct pt_regs *r); | |
d5926ae7 | 263 | |
1da177e4 | 264 | extern void usb_hc_died (struct usb_hcd *hcd); |
d5926ae7 | 265 | extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); |
1da177e4 LT |
266 | |
267 | /* -------------------------------------------------------------------------- */ | |
268 | ||
269 | /* Enumeration is only for the hub driver, or HCD virtual root hubs */ | |
270 | extern struct usb_device *usb_alloc_dev(struct usb_device *parent, | |
271 | struct usb_bus *, unsigned port); | |
272 | extern int usb_new_device(struct usb_device *dev); | |
273 | extern void usb_disconnect(struct usb_device **); | |
274 | ||
275 | extern int usb_get_configuration(struct usb_device *dev); | |
276 | extern void usb_destroy_configuration(struct usb_device *dev); | |
277 | ||
278 | /*-------------------------------------------------------------------------*/ | |
279 | ||
280 | /* | |
281 | * HCD Root Hub support | |
282 | */ | |
283 | ||
284 | #include "hub.h" | |
285 | ||
286 | /* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */ | |
287 | #define DeviceRequest \ | |
288 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
289 | #define DeviceOutRequest \ | |
290 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
291 | ||
292 | #define InterfaceRequest \ | |
293 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
294 | ||
295 | #define EndpointRequest \ | |
296 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
297 | #define EndpointOutRequest \ | |
298 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
299 | ||
300 | /* class requests from the USB 2.0 hub spec, table 11-15 */ | |
301 | /* GetBusState and SetHubDescriptor are optional, omitted */ | |
302 | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) | |
303 | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) | |
304 | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) | |
305 | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) | |
306 | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) | |
307 | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) | |
308 | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) | |
309 | ||
310 | ||
311 | /*-------------------------------------------------------------------------*/ | |
312 | ||
313 | /* | |
314 | * Generic bandwidth allocation constants/support | |
315 | */ | |
316 | #define FRAME_TIME_USECS 1000L | |
317 | #define BitTime(bytecount) (7 * 8 * bytecount / 6) /* with integer truncation */ | |
318 | /* Trying not to use worst-case bit-stuffing | |
319 | of (7/6 * 8 * bytecount) = 9.33 * bytecount */ | |
320 | /* bytecount = data payload byte count */ | |
321 | ||
322 | #define NS_TO_US(ns) ((ns + 500L) / 1000L) | |
323 | /* convert & round nanoseconds to microseconds */ | |
324 | ||
325 | extern void usb_claim_bandwidth (struct usb_device *dev, struct urb *urb, | |
326 | int bustime, int isoc); | |
327 | extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, | |
328 | int isoc); | |
329 | ||
330 | /* | |
331 | * Full/low speed bandwidth allocation constants/support. | |
332 | */ | |
333 | #define BW_HOST_DELAY 1000L /* nanoseconds */ | |
334 | #define BW_HUB_LS_SETUP 333L /* nanoseconds */ | |
335 | /* 4 full-speed bit times (est.) */ | |
336 | ||
337 | #define FRAME_TIME_BITS 12000L /* frame = 1 millisecond */ | |
338 | #define FRAME_TIME_MAX_BITS_ALLOC (90L * FRAME_TIME_BITS / 100L) | |
339 | #define FRAME_TIME_MAX_USECS_ALLOC (90L * FRAME_TIME_USECS / 100L) | |
340 | ||
341 | extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); | |
342 | ||
343 | /* | |
498f78e6 | 344 | * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed |
1da177e4 LT |
345 | * ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed |
346 | * to preallocate bandwidth) | |
347 | */ | |
348 | #define USB2_HOST_DELAY 5 /* nsec, guess */ | |
f956e7cd | 349 | #define HS_NSECS(bytes) ( ((55 * 8 * 2083) \ |
350 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 351 | + USB2_HOST_DELAY) |
f956e7cd | 352 | #define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083) \ |
353 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 354 | + USB2_HOST_DELAY) |
498f78e6 DS |
355 | #define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes)) |
356 | #define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes)) | |
1da177e4 LT |
357 | |
358 | extern long usb_calc_bus_time (int speed, int is_input, | |
359 | int isoc, int bytecount); | |
360 | ||
361 | /*-------------------------------------------------------------------------*/ | |
362 | ||
363 | extern struct usb_bus *usb_alloc_bus (struct usb_operations *); | |
364 | ||
1da177e4 LT |
365 | extern void usb_set_device_state(struct usb_device *udev, |
366 | enum usb_device_state new_state); | |
367 | ||
368 | /*-------------------------------------------------------------------------*/ | |
369 | ||
370 | /* exported only within usbcore */ | |
371 | ||
372 | extern struct list_head usb_bus_list; | |
4186ecf8 | 373 | extern struct mutex usb_bus_list_lock; |
1da177e4 LT |
374 | extern wait_queue_head_t usb_kill_urb_queue; |
375 | ||
376 | extern struct usb_bus *usb_bus_get (struct usb_bus *bus); | |
377 | extern void usb_bus_put (struct usb_bus *bus); | |
378 | ||
d5926ae7 AS |
379 | extern void usb_enable_root_hub_irq (struct usb_bus *bus); |
380 | ||
1da177e4 LT |
381 | extern int usb_find_interface_driver (struct usb_device *dev, |
382 | struct usb_interface *interface); | |
383 | ||
384 | #define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN)) | |
385 | ||
0c0382e3 | 386 | #ifdef CONFIG_PM |
db2d55b7 AM |
387 | extern void usb_hcd_suspend_root_hub (struct usb_hcd *hcd); |
388 | extern void usb_hcd_resume_root_hub (struct usb_hcd *hcd); | |
1c50c317 | 389 | extern void usb_root_hub_lost_power (struct usb_device *rhdev); |
0c0382e3 AS |
390 | extern int hcd_bus_suspend (struct usb_bus *bus); |
391 | extern int hcd_bus_resume (struct usb_bus *bus); | |
392 | #else | |
db2d55b7 AM |
393 | static inline void usb_hcd_suspend_root_hub(struct usb_hcd *hcd) |
394 | { | |
395 | return; | |
396 | } | |
397 | ||
398 | static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd) | |
399 | { | |
400 | return; | |
401 | } | |
402 | ||
0c0382e3 AS |
403 | static inline int hcd_bus_suspend(struct usb_bus *bus) |
404 | { | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static inline int hcd_bus_resume (struct usb_bus *bus) | |
409 | { | |
410 | return 0; | |
411 | } | |
412 | #endif /* CONFIG_PM */ | |
413 | ||
1da177e4 LT |
414 | /* |
415 | * USB device fs stuff | |
416 | */ | |
417 | ||
418 | #ifdef CONFIG_USB_DEVICEFS | |
419 | ||
420 | /* | |
421 | * these are expected to be called from the USB core/hub thread | |
422 | * with the kernel lock held | |
423 | */ | |
1da177e4 | 424 | extern void usbfs_update_special (void); |
1da177e4 LT |
425 | extern int usbfs_init(void); |
426 | extern void usbfs_cleanup(void); | |
427 | ||
428 | #else /* CONFIG_USB_DEVICEFS */ | |
429 | ||
1da177e4 | 430 | static inline void usbfs_update_special (void) {} |
1da177e4 LT |
431 | static inline int usbfs_init(void) { return 0; } |
432 | static inline void usbfs_cleanup(void) { } | |
433 | ||
434 | #endif /* CONFIG_USB_DEVICEFS */ | |
435 | ||
436 | /*-------------------------------------------------------------------------*/ | |
437 | ||
4749f32d | 438 | #if defined(CONFIG_USB_MON) |
1da177e4 LT |
439 | |
440 | struct usb_mon_operations { | |
441 | void (*urb_submit)(struct usb_bus *bus, struct urb *urb); | |
442 | void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err); | |
443 | void (*urb_complete)(struct usb_bus *bus, struct urb *urb); | |
444 | /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */ | |
1da177e4 LT |
445 | }; |
446 | ||
447 | extern struct usb_mon_operations *mon_ops; | |
448 | ||
449 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) | |
450 | { | |
451 | if (bus->monitored) | |
452 | (*mon_ops->urb_submit)(bus, urb); | |
453 | } | |
454 | ||
455 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
456 | int error) | |
457 | { | |
458 | if (bus->monitored) | |
459 | (*mon_ops->urb_submit_error)(bus, urb, error); | |
460 | } | |
461 | ||
462 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) | |
463 | { | |
464 | if (bus->monitored) | |
465 | (*mon_ops->urb_complete)(bus, urb); | |
466 | } | |
1da177e4 LT |
467 | |
468 | int usb_mon_register(struct usb_mon_operations *ops); | |
469 | void usb_mon_deregister(void); | |
470 | ||
471 | #else | |
472 | ||
473 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {} | |
474 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
475 | int error) {} | |
476 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {} | |
1da177e4 LT |
477 | |
478 | #endif /* CONFIG_USB_MON */ | |
479 | ||
480 | /*-------------------------------------------------------------------------*/ | |
481 | ||
482 | /* hub.h ... DeviceRemovable in 2.4.2-ac11, gone in 2.4.10 */ | |
483 | // bleech -- resurfaced in 2.4.11 or 2.4.12 | |
484 | #define bitmap DeviceRemovable | |
485 | ||
486 | ||
487 | /*-------------------------------------------------------------------------*/ | |
488 | ||
489 | /* random stuff */ | |
490 | ||
491 | #define RUN_CONTEXT (in_irq () ? "in_irq" \ | |
492 | : (in_interrupt () ? "in_interrupt" : "can sleep")) | |
493 | ||
494 | ||
495 | #endif /* __KERNEL__ */ | |
496 |