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authorXenia Ragiadakou <burzalodowa@gmail.com>2013-08-29 10:45:10 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-30 21:02:07 +0200
commitfea26ef095cc74f1e11c046a7bf4a29160f8ffb3 (patch)
tree97b632bde8ced40413e96ad567a169acd6d85260 /drivers/usb/host
parentDocumentation sysfs-bus-usb: Document which files are used by libusb (diff)
downloadlinux-fea26ef095cc74f1e11c046a7bf4a29160f8ffb3.tar.xz
linux-fea26ef095cc74f1e11c046a7bf4a29160f8ffb3.zip
ehci: remove ehci_vdbg() verbose debugging statements
This patch removes ehci_vdbg debugging statements from EHCI host controller driver because they produce too much information, lowering the signal to noise ratio when debugging, and because they are not used anymore. Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/ehci-hub.c6
-rw-r--r--drivers/usb/host/ehci-q.c7
-rw-r--r--drivers/usb/host/ehci-sched.c56
-rw-r--r--drivers/usb/host/ehci.h5
4 files changed, 7 insertions, 67 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 3bf9f482710c..835fc0844a66 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -211,8 +211,6 @@ static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci,
else
t2 |= PORT_WKOC_E | PORT_WKCONN_E;
}
- ehci_vdbg(ehci, "port %d, %08x -> %08x\n",
- port + 1, t1, t2);
ehci_writel(ehci, t2, reg);
}
@@ -302,8 +300,6 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
}
if (t1 != t2) {
- ehci_vdbg (ehci, "port %d, %08x -> %08x\n",
- port + 1, t1, t2);
ehci_writel(ehci, t2, reg);
changed = 1;
}
@@ -483,7 +479,6 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
if (test_bit(i, &resume_needed)) {
temp &= ~(PORT_RWC_BITS | PORT_SUSPEND | PORT_RESUME);
ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
- ehci_vdbg (ehci, "resumed port %d\n", i + 1);
}
}
@@ -1204,7 +1199,6 @@ static int ehci_hub_control (
wIndex + 1);
temp |= PORT_OWNER;
} else {
- ehci_vdbg (ehci, "port %d reset\n", wIndex + 1);
temp |= PORT_RESET;
temp &= ~PORT_PE;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 33336874c47b..cf9f2fb78ff2 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -240,13 +240,6 @@ static int qtd_copy_status (
} else { /* unknown */
status = -EPROTO;
}
-
- ehci_vdbg (ehci,
- "dev%d ep%d%s qtd token %08x --> status %d\n",
- usb_pipedevice (urb->pipe),
- usb_pipeendpoint (urb->pipe),
- usb_pipein (urb->pipe) ? "in" : "out",
- token, status);
}
return status;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 66310894ad97..833c35caf501 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -327,17 +327,8 @@ static int tt_available (
periodic_tt_usecs (ehci, dev, frame, tt_usecs);
- ehci_vdbg(ehci, "tt frame %d check %d usecs start uframe %d in"
- " schedule %d/%d/%d/%d/%d/%d/%d/%d\n",
- frame, usecs, uframe,
- tt_usecs[0], tt_usecs[1], tt_usecs[2], tt_usecs[3],
- tt_usecs[4], tt_usecs[5], tt_usecs[6], tt_usecs[7]);
-
- if (max_tt_usecs[uframe] <= tt_usecs[uframe]) {
- ehci_vdbg(ehci, "frame %d uframe %d fully scheduled\n",
- frame, uframe);
+ if (max_tt_usecs[uframe] <= tt_usecs[uframe])
return 0;
- }
/* special case for isoc transfers larger than 125us:
* the first and each subsequent fully used uframe
@@ -348,13 +339,8 @@ static int tt_available (
int ufs = (usecs / 125);
int i;
for (i = uframe; i < (uframe + ufs) && i < 8; i++)
- if (0 < tt_usecs[i]) {
- ehci_vdbg(ehci,
- "multi-uframe xfer can't fit "
- "in frame %d uframe %d\n",
- frame, i);
+ if (0 < tt_usecs[i])
return 0;
- }
}
tt_usecs[uframe] += usecs;
@@ -362,12 +348,8 @@ static int tt_available (
carryover_tt_bandwidth(tt_usecs);
/* fail if the carryover pushed bw past the last uframe's limit */
- if (max_tt_usecs[7] < tt_usecs[7]) {
- ehci_vdbg(ehci,
- "tt unavailable usecs %d frame %d uframe %d\n",
- usecs, frame, uframe);
+ if (max_tt_usecs[7] < tt_usecs[7])
return 0;
- }
}
return 1;
@@ -1616,16 +1598,9 @@ static void itd_link_urb(
next_uframe = stream->next_uframe & (mod - 1);
- if (unlikely (list_empty(&stream->td_list))) {
+ if (unlikely (list_empty(&stream->td_list)))
ehci_to_hcd(ehci)->self.bandwidth_allocated
+= stream->bandwidth;
- ehci_vdbg (ehci,
- "schedule devp %s ep%d%s-iso period %d start %d.%d\n",
- urb->dev->devpath, stream->bEndpointAddress & 0x0f,
- (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
- urb->interval,
- next_uframe >> 3, next_uframe & 0x7);
- }
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
@@ -1760,14 +1735,9 @@ static bool itd_complete(struct ehci_hcd *ehci, struct ehci_itd *itd)
usb_amd_quirk_pll_enable();
}
- if (unlikely(list_is_singular(&stream->td_list))) {
+ if (unlikely(list_is_singular(&stream->td_list)))
ehci_to_hcd(ehci)->self.bandwidth_allocated
-= stream->bandwidth;
- ehci_vdbg (ehci,
- "deschedule devp %s ep%d%s-iso\n",
- dev->devpath, stream->bEndpointAddress & 0x0f,
- (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out");
- }
done:
itd->urb = NULL;
@@ -2025,17 +1995,10 @@ static void sitd_link_urb(
next_uframe = stream->next_uframe;
- if (list_empty(&stream->td_list)) {
+ if (list_empty(&stream->td_list))
/* usbfs ignores TT bandwidth */
ehci_to_hcd(ehci)->self.bandwidth_allocated
+= stream->bandwidth;
- ehci_vdbg (ehci,
- "sched devp %s ep%d%s-iso [%d] %dms/%04x\n",
- urb->dev->devpath, stream->bEndpointAddress & 0x0f,
- (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
- (next_uframe >> 3) & (ehci->periodic_size - 1),
- stream->interval, hc32_to_cpu(ehci, stream->splits));
- }
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
@@ -2149,14 +2112,9 @@ static bool sitd_complete(struct ehci_hcd *ehci, struct ehci_sitd *sitd)
usb_amd_quirk_pll_enable();
}
- if (list_is_singular(&stream->td_list)) {
+ if (list_is_singular(&stream->td_list))
ehci_to_hcd(ehci)->self.bandwidth_allocated
-= stream->bandwidth;
- ehci_vdbg (ehci,
- "deschedule devp %s ep%d%s-iso\n",
- dev->devpath, stream->bEndpointAddress & 0x0f,
- (stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out");
- }
done:
sitd->urb = NULL;
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2822e79e1fbc..6067d4bcc037 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -782,11 +782,6 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x)
#define ehci_warn(ehci, fmt, args...) \
dev_warn(ehci_to_hcd(ehci)->self.controller , fmt , ## args)
-#ifdef VERBOSE_DEBUG
-# define ehci_vdbg ehci_dbg
-#else
- static inline void ehci_vdbg(struct ehci_hcd *ehci, ...) {}
-#endif
#ifndef DEBUG
#define STUB_DEBUG_FILES