mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
637 lines
16 KiB
637 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* UHCI-specific debugging code. Invaluable when something |
|
* goes wrong, but don't get in my face. |
|
* |
|
* Kernel visible pointers are surrounded in []s and bus |
|
* visible pointers are surrounded in ()s |
|
* |
|
* (C) Copyright 1999 Linus Torvalds |
|
* (C) Copyright 1999-2001 Johannes Erdfelt |
|
*/ |
|
|
|
#include <linux/slab.h> |
|
#include <linux/kernel.h> |
|
#include <linux/debugfs.h> |
|
#include <asm/io.h> |
|
|
|
#include "uhci-hcd.h" |
|
|
|
#define EXTRA_SPACE 1024 |
|
|
|
static struct dentry *uhci_debugfs_root; |
|
|
|
#ifdef CONFIG_DYNAMIC_DEBUG |
|
|
|
/* Handle REALLY large printks so we don't overflow buffers */ |
|
static void lprintk(char *buf) |
|
{ |
|
char *p; |
|
|
|
/* Just write one line at a time */ |
|
while (buf) { |
|
p = strchr(buf, '\n'); |
|
if (p) |
|
*p = 0; |
|
printk(KERN_DEBUG "%s\n", buf); |
|
buf = p; |
|
if (buf) |
|
buf++; |
|
} |
|
} |
|
|
|
static int uhci_show_td(struct uhci_hcd *uhci, struct uhci_td *td, char *buf, |
|
int len, int space) |
|
{ |
|
char *out = buf; |
|
char *spid; |
|
u32 status, token; |
|
|
|
status = td_status(uhci, td); |
|
out += sprintf(out, "%*s[%p] link (%08x) ", space, "", td, |
|
hc32_to_cpu(uhci, td->link)); |
|
out += sprintf(out, "e%d %s%s%s%s%s%s%s%s%s%sLength=%x ", |
|
((status >> 27) & 3), |
|
(status & TD_CTRL_SPD) ? "SPD " : "", |
|
(status & TD_CTRL_LS) ? "LS " : "", |
|
(status & TD_CTRL_IOC) ? "IOC " : "", |
|
(status & TD_CTRL_ACTIVE) ? "Active " : "", |
|
(status & TD_CTRL_STALLED) ? "Stalled " : "", |
|
(status & TD_CTRL_DBUFERR) ? "DataBufErr " : "", |
|
(status & TD_CTRL_BABBLE) ? "Babble " : "", |
|
(status & TD_CTRL_NAK) ? "NAK " : "", |
|
(status & TD_CTRL_CRCTIMEO) ? "CRC/Timeo " : "", |
|
(status & TD_CTRL_BITSTUFF) ? "BitStuff " : "", |
|
status & 0x7ff); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
token = td_token(uhci, td); |
|
switch (uhci_packetid(token)) { |
|
case USB_PID_SETUP: |
|
spid = "SETUP"; |
|
break; |
|
case USB_PID_OUT: |
|
spid = "OUT"; |
|
break; |
|
case USB_PID_IN: |
|
spid = "IN"; |
|
break; |
|
default: |
|
spid = "?"; |
|
break; |
|
} |
|
|
|
out += sprintf(out, "MaxLen=%x DT%d EndPt=%x Dev=%x, PID=%x(%s) ", |
|
token >> 21, |
|
((token >> 19) & 1), |
|
(token >> 15) & 15, |
|
(token >> 8) & 127, |
|
(token & 0xff), |
|
spid); |
|
out += sprintf(out, "(buf=%08x)\n", hc32_to_cpu(uhci, td->buffer)); |
|
|
|
done: |
|
if (out - buf > len) |
|
out += sprintf(out, " ...\n"); |
|
return out - buf; |
|
} |
|
|
|
static int uhci_show_urbp(struct uhci_hcd *uhci, struct urb_priv *urbp, |
|
char *buf, int len, int space) |
|
{ |
|
char *out = buf; |
|
struct uhci_td *td; |
|
int i, nactive, ninactive; |
|
char *ptype; |
|
|
|
|
|
out += sprintf(out, "urb_priv [%p] ", urbp); |
|
out += sprintf(out, "urb [%p] ", urbp->urb); |
|
out += sprintf(out, "qh [%p] ", urbp->qh); |
|
out += sprintf(out, "Dev=%d ", usb_pipedevice(urbp->urb->pipe)); |
|
out += sprintf(out, "EP=%x(%s) ", usb_pipeendpoint(urbp->urb->pipe), |
|
(usb_pipein(urbp->urb->pipe) ? "IN" : "OUT")); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
switch (usb_pipetype(urbp->urb->pipe)) { |
|
case PIPE_ISOCHRONOUS: ptype = "ISO"; break; |
|
case PIPE_INTERRUPT: ptype = "INT"; break; |
|
case PIPE_BULK: ptype = "BLK"; break; |
|
default: |
|
case PIPE_CONTROL: ptype = "CTL"; break; |
|
} |
|
|
|
out += sprintf(out, "%s%s", ptype, (urbp->fsbr ? " FSBR" : "")); |
|
out += sprintf(out, " Actlen=%d%s", urbp->urb->actual_length, |
|
(urbp->qh->type == USB_ENDPOINT_XFER_CONTROL ? |
|
"-8" : "")); |
|
|
|
if (urbp->urb->unlinked) |
|
out += sprintf(out, " Unlinked=%d", urbp->urb->unlinked); |
|
out += sprintf(out, "\n"); |
|
|
|
if (out - buf > len) |
|
goto done; |
|
|
|
i = nactive = ninactive = 0; |
|
list_for_each_entry(td, &urbp->td_list, list) { |
|
if (urbp->qh->type != USB_ENDPOINT_XFER_ISOC && |
|
(++i <= 10 || debug > 2)) { |
|
out += sprintf(out, "%*s%d: ", space + 2, "", i); |
|
out += uhci_show_td(uhci, td, out, |
|
len - (out - buf), 0); |
|
if (out - buf > len) |
|
goto tail; |
|
} else { |
|
if (td_status(uhci, td) & TD_CTRL_ACTIVE) |
|
++nactive; |
|
else |
|
++ninactive; |
|
} |
|
} |
|
if (nactive + ninactive > 0) |
|
out += sprintf(out, |
|
"%*s[skipped %d inactive and %d active TDs]\n", |
|
space, "", ninactive, nactive); |
|
done: |
|
if (out - buf > len) |
|
out += sprintf(out, " ...\n"); |
|
tail: |
|
return out - buf; |
|
} |
|
|
|
static int uhci_show_qh(struct uhci_hcd *uhci, |
|
struct uhci_qh *qh, char *buf, int len, int space) |
|
{ |
|
char *out = buf; |
|
int i, nurbs; |
|
__hc32 element = qh_element(qh); |
|
char *qtype; |
|
|
|
switch (qh->type) { |
|
case USB_ENDPOINT_XFER_ISOC: qtype = "ISO"; break; |
|
case USB_ENDPOINT_XFER_INT: qtype = "INT"; break; |
|
case USB_ENDPOINT_XFER_BULK: qtype = "BLK"; break; |
|
case USB_ENDPOINT_XFER_CONTROL: qtype = "CTL"; break; |
|
default: qtype = "Skel" ; break; |
|
} |
|
|
|
out += sprintf(out, "%*s[%p] %s QH link (%08x) element (%08x)\n", |
|
space, "", qh, qtype, |
|
hc32_to_cpu(uhci, qh->link), |
|
hc32_to_cpu(uhci, element)); |
|
if (qh->type == USB_ENDPOINT_XFER_ISOC) |
|
out += sprintf(out, |
|
"%*s period %d phase %d load %d us, frame %x desc [%p]\n", |
|
space, "", qh->period, qh->phase, qh->load, |
|
qh->iso_frame, qh->iso_packet_desc); |
|
else if (qh->type == USB_ENDPOINT_XFER_INT) |
|
out += sprintf(out, "%*s period %d phase %d load %d us\n", |
|
space, "", qh->period, qh->phase, qh->load); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
if (element & UHCI_PTR_QH(uhci)) |
|
out += sprintf(out, "%*s Element points to QH (bug?)\n", space, ""); |
|
|
|
if (element & UHCI_PTR_DEPTH(uhci)) |
|
out += sprintf(out, "%*s Depth traverse\n", space, ""); |
|
|
|
if (element & cpu_to_hc32(uhci, 8)) |
|
out += sprintf(out, "%*s Bit 3 set (bug?)\n", space, ""); |
|
|
|
if (!(element & ~(UHCI_PTR_QH(uhci) | UHCI_PTR_DEPTH(uhci)))) |
|
out += sprintf(out, "%*s Element is NULL (bug?)\n", space, ""); |
|
|
|
if (out - buf > len) |
|
goto done; |
|
|
|
if (list_empty(&qh->queue)) { |
|
out += sprintf(out, "%*s queue is empty\n", space, ""); |
|
if (qh == uhci->skel_async_qh) { |
|
out += uhci_show_td(uhci, uhci->term_td, out, |
|
len - (out - buf), 0); |
|
if (out - buf > len) |
|
goto tail; |
|
} |
|
} else { |
|
struct urb_priv *urbp = list_entry(qh->queue.next, |
|
struct urb_priv, node); |
|
struct uhci_td *td = list_entry(urbp->td_list.next, |
|
struct uhci_td, list); |
|
|
|
if (element != LINK_TO_TD(uhci, td)) |
|
out += sprintf(out, "%*s Element != First TD\n", |
|
space, ""); |
|
i = nurbs = 0; |
|
list_for_each_entry(urbp, &qh->queue, node) { |
|
if (++i <= 10) { |
|
out += uhci_show_urbp(uhci, urbp, out, |
|
len - (out - buf), space + 2); |
|
if (out - buf > len) |
|
goto tail; |
|
} |
|
else |
|
++nurbs; |
|
} |
|
if (nurbs > 0) |
|
out += sprintf(out, "%*s Skipped %d URBs\n", |
|
space, "", nurbs); |
|
} |
|
|
|
if (out - buf > len) |
|
goto done; |
|
|
|
if (qh->dummy_td) { |
|
out += sprintf(out, "%*s Dummy TD\n", space, ""); |
|
out += uhci_show_td(uhci, qh->dummy_td, out, |
|
len - (out - buf), 0); |
|
if (out - buf > len) |
|
goto tail; |
|
} |
|
|
|
done: |
|
if (out - buf > len) |
|
out += sprintf(out, " ...\n"); |
|
tail: |
|
return out - buf; |
|
} |
|
|
|
static int uhci_show_sc(int port, unsigned short status, char *buf) |
|
{ |
|
return sprintf(buf, " stat%d = %04x %s%s%s%s%s%s%s%s%s%s\n", |
|
port, |
|
status, |
|
(status & USBPORTSC_SUSP) ? " Suspend" : "", |
|
(status & USBPORTSC_OCC) ? " OverCurrentChange" : "", |
|
(status & USBPORTSC_OC) ? " OverCurrent" : "", |
|
(status & USBPORTSC_PR) ? " Reset" : "", |
|
(status & USBPORTSC_LSDA) ? " LowSpeed" : "", |
|
(status & USBPORTSC_RD) ? " ResumeDetect" : "", |
|
(status & USBPORTSC_PEC) ? " EnableChange" : "", |
|
(status & USBPORTSC_PE) ? " Enabled" : "", |
|
(status & USBPORTSC_CSC) ? " ConnectChange" : "", |
|
(status & USBPORTSC_CCS) ? " Connected" : ""); |
|
} |
|
|
|
static int uhci_show_root_hub_state(struct uhci_hcd *uhci, char *buf) |
|
{ |
|
char *rh_state; |
|
|
|
switch (uhci->rh_state) { |
|
case UHCI_RH_RESET: |
|
rh_state = "reset"; break; |
|
case UHCI_RH_SUSPENDED: |
|
rh_state = "suspended"; break; |
|
case UHCI_RH_AUTO_STOPPED: |
|
rh_state = "auto-stopped"; break; |
|
case UHCI_RH_RESUMING: |
|
rh_state = "resuming"; break; |
|
case UHCI_RH_SUSPENDING: |
|
rh_state = "suspending"; break; |
|
case UHCI_RH_RUNNING: |
|
rh_state = "running"; break; |
|
case UHCI_RH_RUNNING_NODEVS: |
|
rh_state = "running, no devs"; break; |
|
default: |
|
rh_state = "?"; break; |
|
} |
|
return sprintf(buf, "Root-hub state: %s FSBR: %d\n", |
|
rh_state, uhci->fsbr_is_on); |
|
} |
|
|
|
static int uhci_show_status(struct uhci_hcd *uhci, char *buf, int len) |
|
{ |
|
char *out = buf; |
|
unsigned short usbcmd, usbstat, usbint, usbfrnum; |
|
unsigned int flbaseadd; |
|
unsigned char sof; |
|
unsigned short portsc1, portsc2; |
|
|
|
|
|
usbcmd = uhci_readw(uhci, USBCMD); |
|
usbstat = uhci_readw(uhci, USBSTS); |
|
usbint = uhci_readw(uhci, USBINTR); |
|
usbfrnum = uhci_readw(uhci, USBFRNUM); |
|
flbaseadd = uhci_readl(uhci, USBFLBASEADD); |
|
sof = uhci_readb(uhci, USBSOF); |
|
portsc1 = uhci_readw(uhci, USBPORTSC1); |
|
portsc2 = uhci_readw(uhci, USBPORTSC2); |
|
|
|
out += sprintf(out, " usbcmd = %04x %s%s%s%s%s%s%s%s\n", |
|
usbcmd, |
|
(usbcmd & USBCMD_MAXP) ? "Maxp64 " : "Maxp32 ", |
|
(usbcmd & USBCMD_CF) ? "CF " : "", |
|
(usbcmd & USBCMD_SWDBG) ? "SWDBG " : "", |
|
(usbcmd & USBCMD_FGR) ? "FGR " : "", |
|
(usbcmd & USBCMD_EGSM) ? "EGSM " : "", |
|
(usbcmd & USBCMD_GRESET) ? "GRESET " : "", |
|
(usbcmd & USBCMD_HCRESET) ? "HCRESET " : "", |
|
(usbcmd & USBCMD_RS) ? "RS " : ""); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
out += sprintf(out, " usbstat = %04x %s%s%s%s%s%s\n", |
|
usbstat, |
|
(usbstat & USBSTS_HCH) ? "HCHalted " : "", |
|
(usbstat & USBSTS_HCPE) ? "HostControllerProcessError " : "", |
|
(usbstat & USBSTS_HSE) ? "HostSystemError " : "", |
|
(usbstat & USBSTS_RD) ? "ResumeDetect " : "", |
|
(usbstat & USBSTS_ERROR) ? "USBError " : "", |
|
(usbstat & USBSTS_USBINT) ? "USBINT " : ""); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
out += sprintf(out, " usbint = %04x\n", usbint); |
|
out += sprintf(out, " usbfrnum = (%d)%03x\n", (usbfrnum >> 10) & 1, |
|
0xfff & (4*(unsigned int)usbfrnum)); |
|
out += sprintf(out, " flbaseadd = %08x\n", flbaseadd); |
|
out += sprintf(out, " sof = %02x\n", sof); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
out += uhci_show_sc(1, portsc1, out); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
out += uhci_show_sc(2, portsc2, out); |
|
if (out - buf > len) |
|
goto done; |
|
|
|
out += sprintf(out, |
|
"Most recent frame: %x (%d) Last ISO frame: %x (%d)\n", |
|
uhci->frame_number, uhci->frame_number & 1023, |
|
uhci->last_iso_frame, uhci->last_iso_frame & 1023); |
|
|
|
done: |
|
if (out - buf > len) |
|
out += sprintf(out, " ...\n"); |
|
return out - buf; |
|
} |
|
|
|
static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) |
|
{ |
|
char *out = buf; |
|
int i, j; |
|
struct uhci_qh *qh; |
|
struct uhci_td *td; |
|
struct list_head *tmp, *head; |
|
int nframes, nerrs; |
|
__hc32 link; |
|
__hc32 fsbr_link; |
|
|
|
static const char * const qh_names[] = { |
|
"unlink", "iso", "int128", "int64", "int32", "int16", |
|
"int8", "int4", "int2", "async", "term" |
|
}; |
|
|
|
out += uhci_show_root_hub_state(uhci, out); |
|
if (out - buf > len) |
|
goto done; |
|
out += sprintf(out, "HC status\n"); |
|
out += uhci_show_status(uhci, out, len - (out - buf)); |
|
if (out - buf > len) |
|
goto tail; |
|
|
|
out += sprintf(out, "Periodic load table\n"); |
|
for (i = 0; i < MAX_PHASE; ++i) { |
|
out += sprintf(out, "\t%d", uhci->load[i]); |
|
if (i % 8 == 7) |
|
*out++ = '\n'; |
|
} |
|
out += sprintf(out, "Total: %d, #INT: %d, #ISO: %d\n", |
|
uhci->total_load, |
|
uhci_to_hcd(uhci)->self.bandwidth_int_reqs, |
|
uhci_to_hcd(uhci)->self.bandwidth_isoc_reqs); |
|
if (debug <= 1) |
|
goto tail; |
|
|
|
out += sprintf(out, "Frame List\n"); |
|
nframes = 10; |
|
nerrs = 0; |
|
for (i = 0; i < UHCI_NUMFRAMES; ++i) { |
|
__hc32 qh_dma; |
|
|
|
if (out - buf > len) |
|
goto done; |
|
j = 0; |
|
td = uhci->frame_cpu[i]; |
|
link = uhci->frame[i]; |
|
if (!td) |
|
goto check_link; |
|
|
|
if (nframes > 0) { |
|
out += sprintf(out, "- Frame %d -> (%08x)\n", |
|
i, hc32_to_cpu(uhci, link)); |
|
j = 1; |
|
} |
|
|
|
head = &td->fl_list; |
|
tmp = head; |
|
do { |
|
td = list_entry(tmp, struct uhci_td, fl_list); |
|
tmp = tmp->next; |
|
if (link != LINK_TO_TD(uhci, td)) { |
|
if (nframes > 0) { |
|
out += sprintf(out, |
|
" link does not match list entry!\n"); |
|
if (out - buf > len) |
|
goto done; |
|
} else |
|
++nerrs; |
|
} |
|
if (nframes > 0) { |
|
out += uhci_show_td(uhci, td, out, |
|
len - (out - buf), 4); |
|
if (out - buf > len) |
|
goto tail; |
|
} |
|
link = td->link; |
|
} while (tmp != head); |
|
|
|
check_link: |
|
qh_dma = uhci_frame_skel_link(uhci, i); |
|
if (link != qh_dma) { |
|
if (nframes > 0) { |
|
if (!j) { |
|
out += sprintf(out, |
|
"- Frame %d -> (%08x)\n", |
|
i, hc32_to_cpu(uhci, link)); |
|
j = 1; |
|
} |
|
out += sprintf(out, |
|
" link does not match QH (%08x)!\n", |
|
hc32_to_cpu(uhci, qh_dma)); |
|
if (out - buf > len) |
|
goto done; |
|
} else |
|
++nerrs; |
|
} |
|
nframes -= j; |
|
} |
|
if (nerrs > 0) |
|
out += sprintf(out, "Skipped %d bad links\n", nerrs); |
|
|
|
out += sprintf(out, "Skeleton QHs\n"); |
|
|
|
if (out - buf > len) |
|
goto done; |
|
|
|
fsbr_link = 0; |
|
for (i = 0; i < UHCI_NUM_SKELQH; ++i) { |
|
int cnt = 0; |
|
|
|
qh = uhci->skelqh[i]; |
|
out += sprintf(out, "- skel_%s_qh\n", qh_names[i]); |
|
out += uhci_show_qh(uhci, qh, out, len - (out - buf), 4); |
|
if (out - buf > len) |
|
goto tail; |
|
|
|
/* Last QH is the Terminating QH, it's different */ |
|
if (i == SKEL_TERM) { |
|
if (qh_element(qh) != LINK_TO_TD(uhci, uhci->term_td)) { |
|
out += sprintf(out, |
|
" skel_term_qh element is not set to term_td!\n"); |
|
if (out - buf > len) |
|
goto done; |
|
} |
|
link = fsbr_link; |
|
if (!link) |
|
link = LINK_TO_QH(uhci, uhci->skel_term_qh); |
|
goto check_qh_link; |
|
} |
|
|
|
head = &qh->node; |
|
tmp = head->next; |
|
|
|
while (tmp != head) { |
|
qh = list_entry(tmp, struct uhci_qh, node); |
|
tmp = tmp->next; |
|
if (++cnt <= 10) { |
|
out += uhci_show_qh(uhci, qh, out, |
|
len - (out - buf), 4); |
|
if (out - buf > len) |
|
goto tail; |
|
} |
|
if (!fsbr_link && qh->skel >= SKEL_FSBR) |
|
fsbr_link = LINK_TO_QH(uhci, qh); |
|
} |
|
if ((cnt -= 10) > 0) |
|
out += sprintf(out, " Skipped %d QHs\n", cnt); |
|
|
|
link = UHCI_PTR_TERM(uhci); |
|
if (i <= SKEL_ISO) |
|
; |
|
else if (i < SKEL_ASYNC) |
|
link = LINK_TO_QH(uhci, uhci->skel_async_qh); |
|
else if (!uhci->fsbr_is_on) |
|
; |
|
else |
|
link = LINK_TO_QH(uhci, uhci->skel_term_qh); |
|
check_qh_link: |
|
if (qh->link != link) |
|
out += sprintf(out, |
|
" last QH not linked to next skeleton!\n"); |
|
|
|
if (out - buf > len) |
|
goto done; |
|
} |
|
|
|
done: |
|
if (out - buf > len) |
|
out += sprintf(out, " ...\n"); |
|
tail: |
|
return out - buf; |
|
} |
|
|
|
#ifdef CONFIG_DEBUG_FS |
|
|
|
#define MAX_OUTPUT (64 * 1024) |
|
|
|
struct uhci_debug { |
|
int size; |
|
char *data; |
|
}; |
|
|
|
static int uhci_debug_open(struct inode *inode, struct file *file) |
|
{ |
|
struct uhci_hcd *uhci = inode->i_private; |
|
struct uhci_debug *up; |
|
unsigned long flags; |
|
|
|
up = kmalloc(sizeof(*up), GFP_KERNEL); |
|
if (!up) |
|
return -ENOMEM; |
|
|
|
up->data = kmalloc(MAX_OUTPUT, GFP_KERNEL); |
|
if (!up->data) { |
|
kfree(up); |
|
return -ENOMEM; |
|
} |
|
|
|
up->size = 0; |
|
spin_lock_irqsave(&uhci->lock, flags); |
|
if (uhci->is_initialized) |
|
up->size = uhci_sprint_schedule(uhci, up->data, |
|
MAX_OUTPUT - EXTRA_SPACE); |
|
spin_unlock_irqrestore(&uhci->lock, flags); |
|
|
|
file->private_data = up; |
|
|
|
return 0; |
|
} |
|
|
|
static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence) |
|
{ |
|
struct uhci_debug *up = file->private_data; |
|
return no_seek_end_llseek_size(file, off, whence, up->size); |
|
} |
|
|
|
static ssize_t uhci_debug_read(struct file *file, char __user *buf, |
|
size_t nbytes, loff_t *ppos) |
|
{ |
|
struct uhci_debug *up = file->private_data; |
|
return simple_read_from_buffer(buf, nbytes, ppos, up->data, up->size); |
|
} |
|
|
|
static int uhci_debug_release(struct inode *inode, struct file *file) |
|
{ |
|
struct uhci_debug *up = file->private_data; |
|
|
|
kfree(up->data); |
|
kfree(up); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct file_operations uhci_debug_operations = { |
|
.owner = THIS_MODULE, |
|
.open = uhci_debug_open, |
|
.llseek = uhci_debug_lseek, |
|
.read = uhci_debug_read, |
|
.release = uhci_debug_release, |
|
}; |
|
#define UHCI_DEBUG_OPS |
|
|
|
#endif /* CONFIG_DEBUG_FS */ |
|
|
|
#else /* CONFIG_DYNAMIC_DEBUG*/ |
|
|
|
static inline void lprintk(char *buf) |
|
{} |
|
|
|
static inline int uhci_show_qh(struct uhci_hcd *uhci, |
|
struct uhci_qh *qh, char *buf, int len, int space) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline int uhci_sprint_schedule(struct uhci_hcd *uhci, |
|
char *buf, int len) |
|
{ |
|
return 0; |
|
} |
|
|
|
#endif
|
|
|