drivers/usb/c67x00/c67x00-sched.c | 6 +++--- drivers/usb/core/hcd.c | 9 ++++----- drivers/usb/fotg210/fotg210-hcd.c | 10 +++++----- drivers/usb/gadget/udc/dummy_hcd.c | 2 +- drivers/usb/host/ehci-q.c | 4 ++-- drivers/usb/host/ehci-sched.c | 6 +++--- drivers/usb/host/fhci-q.c | 2 +- drivers/usb/host/isp116x-hcd.c | 4 ++-- drivers/usb/host/isp1362-hcd.c | 4 ++-- drivers/usb/host/max3421-hcd.c | 4 ++-- drivers/usb/host/octeon-hcd.c | 6 +++--- drivers/usb/host/ohci-hcd.c | 2 +- drivers/usb/host/ohci-q.c | 2 +- drivers/usb/host/r8a66597-hcd.c | 4 ++-- drivers/usb/host/sl811-hcd.c | 4 ++-- drivers/usb/host/uhci-q.c | 4 ++-- drivers/usb/host/xhci-ring.c | 4 ++-- drivers/usb/host/xhci.c | 2 +- drivers/usb/musb/musb_host.c | 6 +++--- drivers/usb/renesas_usbhs/mod_host.c | 2 +- drivers/usb/usbip/vhci_hcd.c | 6 +++--- drivers/usb/usbip/vhci_rx.c | 4 ++-- include/linux/usb/hcd.h | 2 +- 23 files changed, 49 insertions(+), 50 deletions(-)
The first parameter of the usb_hcd_unlink_urb_from_ep() is not used.
This causes many callers to have to pass an additional parameter
unnecessarily. Let's remove it
Signed-off-by: 李哲 <sensor1010@163.com>
---
drivers/usb/c67x00/c67x00-sched.c | 6 +++---
drivers/usb/core/hcd.c | 9 ++++-----
drivers/usb/fotg210/fotg210-hcd.c | 10 +++++-----
drivers/usb/gadget/udc/dummy_hcd.c | 2 +-
drivers/usb/host/ehci-q.c | 4 ++--
drivers/usb/host/ehci-sched.c | 6 +++---
drivers/usb/host/fhci-q.c | 2 +-
drivers/usb/host/isp116x-hcd.c | 4 ++--
drivers/usb/host/isp1362-hcd.c | 4 ++--
drivers/usb/host/max3421-hcd.c | 4 ++--
drivers/usb/host/octeon-hcd.c | 6 +++---
drivers/usb/host/ohci-hcd.c | 2 +-
drivers/usb/host/ohci-q.c | 2 +-
drivers/usb/host/r8a66597-hcd.c | 4 ++--
drivers/usb/host/sl811-hcd.c | 4 ++--
drivers/usb/host/uhci-q.c | 4 ++--
drivers/usb/host/xhci-ring.c | 4 ++--
drivers/usb/host/xhci.c | 2 +-
drivers/usb/musb/musb_host.c | 6 +++---
drivers/usb/renesas_usbhs/mod_host.c | 2 +-
drivers/usb/usbip/vhci_hcd.c | 6 +++---
drivers/usb/usbip/vhci_rx.c | 4 ++--
include/linux/usb/hcd.h | 2 +-
23 files changed, 49 insertions(+), 50 deletions(-)
diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c
index a09fa68a6ce7..28f07e9bb708 100644
--- a/drivers/usb/c67x00/c67x00-sched.c
+++ b/drivers/usb/c67x00/c67x00-sched.c
@@ -429,7 +429,7 @@ int c67x00_urb_enqueue(struct usb_hcd *hcd,
return 0;
err_epdata:
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
err_not_linked:
spin_unlock_irqrestore(&c67x00->lock, flags);
kfree(urbp);
@@ -450,7 +450,7 @@ int c67x00_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
goto done;
c67x00_release_urb(c67x00, urb);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&c67x00->lock);
usb_hcd_giveback_urb(hcd, urb, status);
@@ -484,7 +484,7 @@ c67x00_giveback_urb(struct c67x00_hcd *c67x00, struct urb *urb, int status)
list_del_init(&urbp->hep_node);
c67x00_release_urb(c67x00, urb);
- usb_hcd_unlink_urb_from_ep(c67x00_hcd_to_hcd(c67x00), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&c67x00->lock);
usb_hcd_giveback_urb(c67x00_hcd_to_hcd(c67x00), urb, status);
spin_lock(&c67x00->lock);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 500dc35e6477..c0e159ad7bae 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -707,7 +707,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
/* any errors get returned through the urb completion */
spin_lock_irq(&hcd_root_hub_lock);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
usb_hcd_giveback_urb(hcd, urb, status);
spin_unlock_irq(&hcd_root_hub_lock);
return 0;
@@ -753,7 +753,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
urb->actual_length = length;
memcpy(urb->transfer_buffer, buffer, length);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
usb_hcd_giveback_urb(hcd, urb, status);
} else {
length = 0;
@@ -845,7 +845,7 @@ static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
del_timer (&hcd->rh_timer);
if (urb == hcd->status_urb) {
hcd->status_urb = NULL;
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
usb_hcd_giveback_urb(hcd, urb, status);
}
}
@@ -1210,7 +1210,6 @@ EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb);
/**
* usb_hcd_unlink_urb_from_ep - remove an URB from its endpoint queue
- * @hcd: host controller to which @urb was submitted
* @urb: URB being unlinked
*
* Host controller drivers should call this routine before calling
@@ -1218,7 +1217,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb);
* interrupts must be disabled. The actions carried out here are required
* for URB completion.
*/
-void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb)
+void usb_hcd_unlink_urb_from_ep(struct urb *urb)
{
/* clear all state linking urb to this dev (and hcd) */
spin_lock(&hcd_urb_list_lock);
diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c
index 3d404d19a205..1b7285885915 100644
--- a/drivers/usb/fotg210/fotg210-hcd.c
+++ b/drivers/usb/fotg210/fotg210-hcd.c
@@ -2221,7 +2221,7 @@ __acquires(fotg210->lock)
#endif
/* complete() can reenter this HCD */
- usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&fotg210->lock);
usb_hcd_giveback_urb(fotg210_to_hcd(fotg210), urb, status);
spin_lock(&fotg210->lock);
@@ -3043,7 +3043,7 @@ static int submit_async(struct fotg210_hcd *fotg210, struct urb *urb,
qh = qh_append_tds(fotg210, urb, qtd_list, epnum, &urb->ep->hcpriv);
if (unlikely(qh == NULL)) {
- usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
rc = -ENOMEM;
goto done;
}
@@ -3855,7 +3855,7 @@ static int intr_submit(struct fotg210_hcd *fotg210, struct urb *urb,
done:
if (unlikely(status))
- usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
done_not_linked:
spin_unlock_irqrestore(&fotg210->lock, flags);
if (status)
@@ -4553,14 +4553,14 @@ static int itd_submit(struct fotg210_hcd *fotg210, struct urb *urb,
status = -ESHUTDOWN;
goto done_not_linked;
}
- status = usb_hcd_link_urb_to_ep(fotg210_to_hcd(fotg210), urb);
+ status = usb_hcd_link_urb_to_ep(urb);
if (unlikely(status))
goto done_not_linked;
status = iso_stream_schedule(fotg210, urb, stream);
if (likely(status == 0))
itd_link_urb(fotg210, urb, fotg210->periodic_size << 3, stream);
else
- usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
done_not_linked:
spin_unlock_irqrestore(&fotg210->lock, flags);
done:
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 081ac7683c0b..d6ff455ed9ba 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -1988,7 +1988,7 @@ static enum hrtimer_restart dummy_timer(struct hrtimer *t)
if (ep)
ep->already_seen = ep->setup_stage = 0;
- usb_hcd_unlink_urb_from_ep(dummy_hcd_to_hcd(dum_hcd), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&dum->lock);
usb_hcd_giveback_urb(dummy_hcd_to_hcd(dum_hcd), urb, status);
spin_lock(&dum->lock);
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index ba37a9fcab92..af3f39d28f65 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -271,7 +271,7 @@ ehci_urb_done(struct ehci_hcd *ehci, struct urb *urb, int status)
urb->actual_length, urb->transfer_buffer_length);
#endif
- usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
usb_hcd_giveback_urb(ehci_to_hcd(ehci), urb, status);
}
@@ -1133,7 +1133,7 @@ submit_async (
qh = qh_append_tds(ehci, urb, qtd_list, epnum, &urb->ep->hcpriv);
if (unlikely(qh == NULL)) {
- usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
rc = -ENOMEM;
goto done;
}
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 7e834587e7de..7f78b63010d1 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -957,7 +957,7 @@ static int intr_submit(
done:
if (unlikely(status))
- usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
done_not_linked:
spin_unlock_irqrestore(&ehci->lock, flags);
if (status)
@@ -1964,7 +1964,7 @@ static int itd_submit(struct ehci_hcd *ehci, struct urb *urb,
status = 0;
ehci_urb_done(ehci, urb, 0);
} else {
- usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
}
done_not_linked:
spin_unlock_irqrestore(&ehci->lock, flags);
@@ -2341,7 +2341,7 @@ static int sitd_submit(struct ehci_hcd *ehci, struct urb *urb,
status = 0;
ehci_urb_done(ehci, urb, 0);
} else {
- usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
}
done_not_linked:
spin_unlock_irqrestore(&ehci->lock, flags);
diff --git a/drivers/usb/host/fhci-q.c b/drivers/usb/host/fhci-q.c
index 669c240523fe..108d19907036 100644
--- a/drivers/usb/host/fhci-q.c
+++ b/drivers/usb/host/fhci-q.c
@@ -198,7 +198,7 @@ void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb)
urb->status = 0;
}
- usb_hcd_unlink_urb_from_ep(fhci_to_hcd(fhci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&fhci->lock);
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index a82d8926e922..f2c001cd526a 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -304,7 +304,7 @@ __releases(isp116x->lock) __acquires(isp116x->lock)
urb_dbg(urb, "Finish");
- usb_hcd_unlink_urb_from_ep(isp116x_to_hcd(isp116x), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&isp116x->lock);
usb_hcd_giveback_urb(isp116x_to_hcd(isp116x), urb, status);
spin_lock(&isp116x->lock);
@@ -824,7 +824,7 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd,
fail:
if (ret)
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
fail_not_linked:
spin_unlock_irqrestore(&isp116x->lock, flags);
return ret;
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 31059c8f94e6..ba52edd31d09 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -466,7 +466,7 @@ static void finish_request(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep *e
"short_ok" : "", urb->status);
- usb_hcd_unlink_urb_from_ep(isp1362_hcd_to_hcd(isp1362_hcd), urb);
+ usb_hcd_unlink_urb_from_ep(isp1362_hcd_to_hcd(urb));
spin_unlock(&isp1362_hcd->lock);
usb_hcd_giveback_urb(isp1362_hcd_to_hcd(isp1362_hcd), urb, status);
spin_lock(&isp1362_hcd->lock);
@@ -1384,7 +1384,7 @@ static int isp1362_urb_enqueue(struct usb_hcd *hcd,
}
fail:
if (retval)
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
fail_not_linked:
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 9fe4f48b1898..f7a1d8fb3085 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -779,7 +779,7 @@ max3421_check_unlink(struct usb_hcd *hcd)
retval = 1;
dev_dbg(&spi->dev, "%s: URB %p unlinked=%d",
__func__, urb, urb->unlinked);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&max3421_hcd->lock,
flags);
usb_hcd_giveback_urb(hcd, urb, 0);
@@ -1352,7 +1352,7 @@ max3421_urb_done(struct usb_hcd *hcd)
max3421_hcd->curr_urb = NULL;
spin_lock_irqsave(&max3421_hcd->lock, flags);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&max3421_hcd->lock, flags);
/* must be called without the HCD spinlock: */
diff --git a/drivers/usb/host/octeon-hcd.c b/drivers/usb/host/octeon-hcd.c
index 19d5777f5db2..2f13b3e2475f 100644
--- a/drivers/usb/host/octeon-hcd.c
+++ b/drivers/usb/host/octeon-hcd.c
@@ -2036,7 +2036,7 @@ static void octeon_usb_urb_complete_callback(struct octeon_hcd *usb,
urb->status = -EPROTO;
break;
}
- usb_hcd_unlink_urb_from_ep(octeon_to_hcd(usb), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&usb->lock);
usb_hcd_giveback_urb(octeon_to_hcd(usb), urb, urb->status);
spin_lock(&usb->lock);
@@ -3161,7 +3161,7 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
>> 11) & 0x3,
split_device, split_port);
if (!pipe) {
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&usb->lock, flags);
dev_dbg(dev, "Failed to create pipe\n");
return -ENOMEM;
@@ -3231,7 +3231,7 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
break;
}
if (!transaction) {
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&usb->lock, flags);
dev_dbg(dev, "Failed to submit\n");
return -ENOMEM;
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 9b24181fee60..47f4b071322c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -226,7 +226,7 @@ static int ohci_urb_enqueue (
if (ed->state == ED_IDLE) {
retval = ed_schedule (ohci, ed);
if (retval < 0) {
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
goto fail;
}
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
index 3b445312beea..ad96205510ef 100644
--- a/drivers/usb/host/ohci-q.c
+++ b/drivers/usb/host/ohci-q.c
@@ -70,7 +70,7 @@ __acquires(ohci->lock)
}
/* urb->complete() can reenter this HCD */
- usb_hcd_unlink_urb_from_ep(ohci_to_hcd(ohci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock (&ohci->lock);
usb_hcd_giveback_urb(ohci_to_hcd(ohci), urb, status);
spin_lock (&ohci->lock);
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 6576515a29cd..3002e0b1442a 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -823,7 +823,7 @@ __acquires(r8a66597->lock)
flush_dcache_page(virt_to_page(ptr));
}
- usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&r8a66597->lock);
usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status);
spin_lock(&r8a66597->lock);
@@ -1943,7 +1943,7 @@ static int r8a66597_urb_enqueue(struct usb_hcd *hcd,
error:
if (ret)
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
error_not_linked:
spin_unlock_irqrestore(&r8a66597->lock, flags);
return ret;
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 92f2d1238448..2bb21437671c 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -429,7 +429,7 @@ static void finish_request(
if (usb_pipecontrol(urb->pipe))
ep->nextpid = USB_PID_SETUP;
- usb_hcd_unlink_urb_from_ep(sl811_to_hcd(sl811), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&sl811->lock);
usb_hcd_giveback_urb(sl811_to_hcd(sl811), urb, status);
spin_lock(&sl811->lock);
@@ -951,7 +951,7 @@ static int sl811h_urb_enqueue(
sl811_write(sl811, SL11H_IRQ_ENABLE, sl811->irq_enable);
fail:
if (retval)
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
fail_not_linked:
spin_unlock_irqrestore(&sl811->lock, flags);
return retval;
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 35fcb826152c..7980bc666af1 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1472,7 +1472,7 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd,
uhci_free_urb_priv(uhci, urbp);
done:
if (ret)
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
done_not_linked:
spin_unlock_irqrestore(&uhci->lock, flags);
return ret;
@@ -1550,7 +1550,7 @@ __acquires(uhci->lock)
}
uhci_free_urb_priv(uhci, urbp);
- usb_hcd_unlink_urb_from_ep(uhci_to_hcd(uhci), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&uhci->lock);
usb_hcd_giveback_urb(uhci_to_hcd(uhci), urb, status);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b6eb928e260f..4c3eb475147b 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -775,7 +775,7 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci,
}
}
xhci_urb_free_priv(urb_priv);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
trace_xhci_urb_giveback(urb);
usb_hcd_giveback_urb(hcd, urb, status);
}
@@ -4178,7 +4178,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
ep_ring->enqueue = urb_priv->td[0].first_trb;
ep_ring->enq_seg = urb_priv->td[0].start_seg;
ep_ring->cycle_state = start_cycle;
- usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
return ret;
}
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 899c0effb5d3..780c2c89407e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1789,7 +1789,7 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
err_giveback:
if (urb_priv)
xhci_urb_free_priv(urb_priv);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&xhci->lock, flags);
usb_hcd_giveback_urb(hcd, urb, -ESHUTDOWN);
return ret;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index bc4507781167..7d574b40af6a 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -280,7 +280,7 @@ __acquires(musb->lock)
{
trace_musb_urb_gb(musb, urb);
- usb_hcd_unlink_urb_from_ep(musb->hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock(&musb->lock);
usb_hcd_giveback_urb(musb->hcd, urb, status);
spin_lock(&musb->lock);
@@ -2157,7 +2157,7 @@ static int musb_urb_enqueue(
qh = kzalloc(sizeof *qh, mem_flags);
if (!qh) {
spin_lock_irqsave(&musb->lock, flags);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&musb->lock, flags);
return -ENOMEM;
}
@@ -2292,7 +2292,7 @@ static int musb_urb_enqueue(
done:
if (ret != 0) {
spin_lock_irqsave(&musb->lock, flags);
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&musb->lock, flags);
kfree(qh);
}
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index ae54221011c3..a3646bace962 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -652,7 +652,7 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep));
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
usb_hcd_giveback_urb(hcd, urb, status);
}
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 8dac1edc74d4..a182ffa32c99 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -806,7 +806,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag
return 0;
no_need_xmit:
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
no_need_unlink:
spin_unlock_irqrestore(&vhci->lock, flags);
if (!ret) {
@@ -912,7 +912,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
* vhci_rx will receive RET_UNLINK and give back the URB.
* Otherwise, we give back it here.
*/
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&vhci->lock, flags);
usb_hcd_giveback_urb(hcd, urb, urb->status);
@@ -977,7 +977,7 @@ static void vhci_cleanup_unlink_list(struct vhci_device *vdev,
urb->status = -ENODEV;
- usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_unlink_urb_from_ep(urb);
list_del(&unlink->list);
diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
index 7f2d1c241559..236d0dd95d3b 100644
--- a/drivers/usb/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
@@ -101,7 +101,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
spin_lock_irqsave(&vhci->lock, flags);
- usb_hcd_unlink_urb_from_ep(vhci_hcd_to_hcd(vhci_hcd), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&vhci->lock, flags);
usb_hcd_giveback_urb(vhci_hcd_to_hcd(vhci_hcd), urb, urb->status);
@@ -172,7 +172,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
pr_info("urb->status %d\n", urb->status);
spin_lock_irqsave(&vhci->lock, flags);
- usb_hcd_unlink_urb_from_ep(vhci_hcd_to_hcd(vhci_hcd), urb);
+ usb_hcd_unlink_urb_from_ep(urb);
spin_unlock_irqrestore(&vhci->lock, flags);
usb_hcd_giveback_urb(vhci_hcd_to_hcd(vhci_hcd), urb, urb->status);
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index ac95e7c89df5..9a451658a779 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -425,7 +425,7 @@ static inline bool hcd_uses_dma(struct usb_hcd *hcd)
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb,
int status);
-extern void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb);
+extern void usb_hcd_unlink_urb_from_ep(struct urb *urb);
extern int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags);
extern int usb_hcd_unlink_urb(struct urb *urb, int status);
--
2.17.1
On 10/27/24 10:31, 李哲 wrote:
> The first parameter of the usb_hcd_unlink_urb_from_ep() is not used.
> This causes many callers to have to pass an additional parameter
> unnecessarily. Let's remove it
How did you find this problem and how did you test this?
Even if hcd isn't used, usb_hcd_link_urb_to_ep() which
is link counter part takes hcd
It makses sense to specify hcd to which this urb belongs
to. Can you give more details on why this change would
make sense here.
>
> Signed-off-by: 李哲 <sensor1010@163.com>
> ---
> drivers/usb/c67x00/c67x00-sched.c | 6 +++---
> drivers/usb/core/hcd.c | 9 ++++-----
> drivers/usb/fotg210/fotg210-hcd.c | 10 +++++-----
> drivers/usb/gadget/udc/dummy_hcd.c | 2 +-
> drivers/usb/host/ehci-q.c | 4 ++--
> drivers/usb/host/ehci-sched.c | 6 +++---
> drivers/usb/host/fhci-q.c | 2 +-
> drivers/usb/host/isp116x-hcd.c | 4 ++--
> drivers/usb/host/isp1362-hcd.c | 4 ++--
> drivers/usb/host/max3421-hcd.c | 4 ++--
> drivers/usb/host/octeon-hcd.c | 6 +++---
> drivers/usb/host/ohci-hcd.c | 2 +-
> drivers/usb/host/ohci-q.c | 2 +-
> drivers/usb/host/r8a66597-hcd.c | 4 ++--
> drivers/usb/host/sl811-hcd.c | 4 ++--
> drivers/usb/host/uhci-q.c | 4 ++--
> drivers/usb/host/xhci-ring.c | 4 ++--
> drivers/usb/host/xhci.c | 2 +-
> drivers/usb/musb/musb_host.c | 6 +++---
> drivers/usb/renesas_usbhs/mod_host.c | 2 +-
> drivers/usb/usbip/vhci_hcd.c | 6 +++---
> drivers/usb/usbip/vhci_rx.c | 4 ++--
> include/linux/usb/hcd.h | 2 +-
> 23 files changed, 49 insertions(+), 50 deletions(-)
>
> diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c
> index a09fa68a6ce7..28f07e9bb708 100644
> --- a/drivers/usb/c67x00/c67x00-sched.c
> +++ b/drivers/usb/c67x00/c67x00-sched.c
> @@ -429,7 +429,7 @@ int c67x00_urb_enqueue(struct usb_hcd *hcd,
> return 0;
>
> err_epdata:
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> err_not_linked:
> spin_unlock_irqrestore(&c67x00->lock, flags);
> kfree(urbp);
> @@ -450,7 +450,7 @@ int c67x00_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
> goto done;
>
> c67x00_release_urb(c67x00, urb);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
> spin_unlock(&c67x00->lock);
> usb_hcd_giveback_urb(hcd, urb, status);
> @@ -484,7 +484,7 @@ c67x00_giveback_urb(struct c67x00_hcd *c67x00, struct urb *urb, int status)
> list_del_init(&urbp->hep_node);
>
> c67x00_release_urb(c67x00, urb);
> - usb_hcd_unlink_urb_from_ep(c67x00_hcd_to_hcd(c67x00), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&c67x00->lock);
> usb_hcd_giveback_urb(c67x00_hcd_to_hcd(c67x00), urb, status);
> spin_lock(&c67x00->lock);
> diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
> index 500dc35e6477..c0e159ad7bae 100644
> --- a/drivers/usb/core/hcd.c
> +++ b/drivers/usb/core/hcd.c
> @@ -707,7 +707,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
>
> /* any errors get returned through the urb completion */
> spin_lock_irq(&hcd_root_hub_lock);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> usb_hcd_giveback_urb(hcd, urb, status);
> spin_unlock_irq(&hcd_root_hub_lock);
> return 0;
> @@ -753,7 +753,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
> urb->actual_length = length;
> memcpy(urb->transfer_buffer, buffer, length);
>
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> usb_hcd_giveback_urb(hcd, urb, status);
> } else {
> length = 0;
> @@ -845,7 +845,7 @@ static int usb_rh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
> del_timer (&hcd->rh_timer);
> if (urb == hcd->status_urb) {
> hcd->status_urb = NULL;
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> usb_hcd_giveback_urb(hcd, urb, status);
> }
> }
> @@ -1210,7 +1210,6 @@ EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb);
>
> /**
> * usb_hcd_unlink_urb_from_ep - remove an URB from its endpoint queue
> - * @hcd: host controller to which @urb was submitted
> * @urb: URB being unlinked
> *
> * Host controller drivers should call this routine before calling
> @@ -1218,7 +1217,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb);
> * interrupts must be disabled. The actions carried out here are required
> * for URB completion.
> */
> -void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb)
> +void usb_hcd_unlink_urb_from_ep(struct urb *urb)
> {
> /* clear all state linking urb to this dev (and hcd) */
> spin_lock(&hcd_urb_list_lock);
> diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c
> index 3d404d19a205..1b7285885915 100644
> --- a/drivers/usb/fotg210/fotg210-hcd.c
> +++ b/drivers/usb/fotg210/fotg210-hcd.c
> @@ -2221,7 +2221,7 @@ __acquires(fotg210->lock)
> #endif
>
> /* complete() can reenter this HCD */
> - usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&fotg210->lock);
> usb_hcd_giveback_urb(fotg210_to_hcd(fotg210), urb, status);
> spin_lock(&fotg210->lock);
> @@ -3043,7 +3043,7 @@ static int submit_async(struct fotg210_hcd *fotg210, struct urb *urb,
>
> qh = qh_append_tds(fotg210, urb, qtd_list, epnum, &urb->ep->hcpriv);
> if (unlikely(qh == NULL)) {
> - usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> rc = -ENOMEM;
> goto done;
> }
> @@ -3855,7 +3855,7 @@ static int intr_submit(struct fotg210_hcd *fotg210, struct urb *urb,
>
> done:
> if (unlikely(status))
> - usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> done_not_linked:
> spin_unlock_irqrestore(&fotg210->lock, flags);
> if (status)
> @@ -4553,14 +4553,14 @@ static int itd_submit(struct fotg210_hcd *fotg210, struct urb *urb,
> status = -ESHUTDOWN;
> goto done_not_linked;
> }
> - status = usb_hcd_link_urb_to_ep(fotg210_to_hcd(fotg210), urb);
> + status = usb_hcd_link_urb_to_ep(urb);
> if (unlikely(status))
> goto done_not_linked;
> status = iso_stream_schedule(fotg210, urb, stream);
> if (likely(status == 0))
> itd_link_urb(fotg210, urb, fotg210->periodic_size << 3, stream);
> else
> - usb_hcd_unlink_urb_from_ep(fotg210_to_hcd(fotg210), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> done_not_linked:
> spin_unlock_irqrestore(&fotg210->lock, flags);
> done:
> diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
> index 081ac7683c0b..d6ff455ed9ba 100644
> --- a/drivers/usb/gadget/udc/dummy_hcd.c
> +++ b/drivers/usb/gadget/udc/dummy_hcd.c
> @@ -1988,7 +1988,7 @@ static enum hrtimer_restart dummy_timer(struct hrtimer *t)
> if (ep)
> ep->already_seen = ep->setup_stage = 0;
>
> - usb_hcd_unlink_urb_from_ep(dummy_hcd_to_hcd(dum_hcd), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&dum->lock);
> usb_hcd_giveback_urb(dummy_hcd_to_hcd(dum_hcd), urb, status);
> spin_lock(&dum->lock);
> diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
> index ba37a9fcab92..af3f39d28f65 100644
> --- a/drivers/usb/host/ehci-q.c
> +++ b/drivers/usb/host/ehci-q.c
> @@ -271,7 +271,7 @@ ehci_urb_done(struct ehci_hcd *ehci, struct urb *urb, int status)
> urb->actual_length, urb->transfer_buffer_length);
> #endif
>
> - usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> usb_hcd_giveback_urb(ehci_to_hcd(ehci), urb, status);
> }
>
> @@ -1133,7 +1133,7 @@ submit_async (
>
> qh = qh_append_tds(ehci, urb, qtd_list, epnum, &urb->ep->hcpriv);
> if (unlikely(qh == NULL)) {
> - usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> rc = -ENOMEM;
> goto done;
> }
> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
> index 7e834587e7de..7f78b63010d1 100644
> --- a/drivers/usb/host/ehci-sched.c
> +++ b/drivers/usb/host/ehci-sched.c
> @@ -957,7 +957,7 @@ static int intr_submit(
>
> done:
> if (unlikely(status))
> - usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> done_not_linked:
> spin_unlock_irqrestore(&ehci->lock, flags);
> if (status)
> @@ -1964,7 +1964,7 @@ static int itd_submit(struct ehci_hcd *ehci, struct urb *urb,
> status = 0;
> ehci_urb_done(ehci, urb, 0);
> } else {
> - usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> }
> done_not_linked:
> spin_unlock_irqrestore(&ehci->lock, flags);
> @@ -2341,7 +2341,7 @@ static int sitd_submit(struct ehci_hcd *ehci, struct urb *urb,
> status = 0;
> ehci_urb_done(ehci, urb, 0);
> } else {
> - usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> }
> done_not_linked:
> spin_unlock_irqrestore(&ehci->lock, flags);
> diff --git a/drivers/usb/host/fhci-q.c b/drivers/usb/host/fhci-q.c
> index 669c240523fe..108d19907036 100644
> --- a/drivers/usb/host/fhci-q.c
> +++ b/drivers/usb/host/fhci-q.c
> @@ -198,7 +198,7 @@ void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb)
> urb->status = 0;
> }
>
> - usb_hcd_unlink_urb_from_ep(fhci_to_hcd(fhci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
> spin_unlock(&fhci->lock);
>
> diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
> index a82d8926e922..f2c001cd526a 100644
> --- a/drivers/usb/host/isp116x-hcd.c
> +++ b/drivers/usb/host/isp116x-hcd.c
> @@ -304,7 +304,7 @@ __releases(isp116x->lock) __acquires(isp116x->lock)
>
> urb_dbg(urb, "Finish");
>
> - usb_hcd_unlink_urb_from_ep(isp116x_to_hcd(isp116x), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&isp116x->lock);
> usb_hcd_giveback_urb(isp116x_to_hcd(isp116x), urb, status);
> spin_lock(&isp116x->lock);
> @@ -824,7 +824,7 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd,
>
> fail:
> if (ret)
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> fail_not_linked:
> spin_unlock_irqrestore(&isp116x->lock, flags);
> return ret;
> diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
> index 31059c8f94e6..ba52edd31d09 100644
> --- a/drivers/usb/host/isp1362-hcd.c
> +++ b/drivers/usb/host/isp1362-hcd.c
> @@ -466,7 +466,7 @@ static void finish_request(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep *e
> "short_ok" : "", urb->status);
>
>
> - usb_hcd_unlink_urb_from_ep(isp1362_hcd_to_hcd(isp1362_hcd), urb);
> + usb_hcd_unlink_urb_from_ep(isp1362_hcd_to_hcd(urb));
> spin_unlock(&isp1362_hcd->lock);
> usb_hcd_giveback_urb(isp1362_hcd_to_hcd(isp1362_hcd), urb, status);
> spin_lock(&isp1362_hcd->lock);
> @@ -1384,7 +1384,7 @@ static int isp1362_urb_enqueue(struct usb_hcd *hcd,
> }
> fail:
> if (retval)
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
>
> fail_not_linked:
> diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
> index 9fe4f48b1898..f7a1d8fb3085 100644
> --- a/drivers/usb/host/max3421-hcd.c
> +++ b/drivers/usb/host/max3421-hcd.c
> @@ -779,7 +779,7 @@ max3421_check_unlink(struct usb_hcd *hcd)
> retval = 1;
> dev_dbg(&spi->dev, "%s: URB %p unlinked=%d",
> __func__, urb, urb->unlinked);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&max3421_hcd->lock,
> flags);
> usb_hcd_giveback_urb(hcd, urb, 0);
> @@ -1352,7 +1352,7 @@ max3421_urb_done(struct usb_hcd *hcd)
>
> max3421_hcd->curr_urb = NULL;
> spin_lock_irqsave(&max3421_hcd->lock, flags);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&max3421_hcd->lock, flags);
>
> /* must be called without the HCD spinlock: */
> diff --git a/drivers/usb/host/octeon-hcd.c b/drivers/usb/host/octeon-hcd.c
> index 19d5777f5db2..2f13b3e2475f 100644
> --- a/drivers/usb/host/octeon-hcd.c
> +++ b/drivers/usb/host/octeon-hcd.c
> @@ -2036,7 +2036,7 @@ static void octeon_usb_urb_complete_callback(struct octeon_hcd *usb,
> urb->status = -EPROTO;
> break;
> }
> - usb_hcd_unlink_urb_from_ep(octeon_to_hcd(usb), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&usb->lock);
> usb_hcd_giveback_urb(octeon_to_hcd(usb), urb, urb->status);
> spin_lock(&usb->lock);
> @@ -3161,7 +3161,7 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
> >> 11) & 0x3,
> split_device, split_port);
> if (!pipe) {
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&usb->lock, flags);
> dev_dbg(dev, "Failed to create pipe\n");
> return -ENOMEM;
> @@ -3231,7 +3231,7 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
> break;
> }
> if (!transaction) {
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&usb->lock, flags);
> dev_dbg(dev, "Failed to submit\n");
> return -ENOMEM;
> diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
> index 9b24181fee60..47f4b071322c 100644
> --- a/drivers/usb/host/ohci-hcd.c
> +++ b/drivers/usb/host/ohci-hcd.c
> @@ -226,7 +226,7 @@ static int ohci_urb_enqueue (
> if (ed->state == ED_IDLE) {
> retval = ed_schedule (ohci, ed);
> if (retval < 0) {
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> goto fail;
> }
>
> diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
> index 3b445312beea..ad96205510ef 100644
> --- a/drivers/usb/host/ohci-q.c
> +++ b/drivers/usb/host/ohci-q.c
> @@ -70,7 +70,7 @@ __acquires(ohci->lock)
> }
>
> /* urb->complete() can reenter this HCD */
> - usb_hcd_unlink_urb_from_ep(ohci_to_hcd(ohci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock (&ohci->lock);
> usb_hcd_giveback_urb(ohci_to_hcd(ohci), urb, status);
> spin_lock (&ohci->lock);
> diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
> index 6576515a29cd..3002e0b1442a 100644
> --- a/drivers/usb/host/r8a66597-hcd.c
> +++ b/drivers/usb/host/r8a66597-hcd.c
> @@ -823,7 +823,7 @@ __acquires(r8a66597->lock)
> flush_dcache_page(virt_to_page(ptr));
> }
>
> - usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&r8a66597->lock);
> usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status);
> spin_lock(&r8a66597->lock);
> @@ -1943,7 +1943,7 @@ static int r8a66597_urb_enqueue(struct usb_hcd *hcd,
>
> error:
> if (ret)
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> error_not_linked:
> spin_unlock_irqrestore(&r8a66597->lock, flags);
> return ret;
> diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
> index 92f2d1238448..2bb21437671c 100644
> --- a/drivers/usb/host/sl811-hcd.c
> +++ b/drivers/usb/host/sl811-hcd.c
> @@ -429,7 +429,7 @@ static void finish_request(
> if (usb_pipecontrol(urb->pipe))
> ep->nextpid = USB_PID_SETUP;
>
> - usb_hcd_unlink_urb_from_ep(sl811_to_hcd(sl811), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&sl811->lock);
> usb_hcd_giveback_urb(sl811_to_hcd(sl811), urb, status);
> spin_lock(&sl811->lock);
> @@ -951,7 +951,7 @@ static int sl811h_urb_enqueue(
> sl811_write(sl811, SL11H_IRQ_ENABLE, sl811->irq_enable);
> fail:
> if (retval)
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> fail_not_linked:
> spin_unlock_irqrestore(&sl811->lock, flags);
> return retval;
> diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
> index 35fcb826152c..7980bc666af1 100644
> --- a/drivers/usb/host/uhci-q.c
> +++ b/drivers/usb/host/uhci-q.c
> @@ -1472,7 +1472,7 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd,
> uhci_free_urb_priv(uhci, urbp);
> done:
> if (ret)
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> done_not_linked:
> spin_unlock_irqrestore(&uhci->lock, flags);
> return ret;
> @@ -1550,7 +1550,7 @@ __acquires(uhci->lock)
> }
>
> uhci_free_urb_priv(uhci, urbp);
> - usb_hcd_unlink_urb_from_ep(uhci_to_hcd(uhci), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
> spin_unlock(&uhci->lock);
> usb_hcd_giveback_urb(uhci_to_hcd(uhci), urb, status);
> diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
> index b6eb928e260f..4c3eb475147b 100644
> --- a/drivers/usb/host/xhci-ring.c
> +++ b/drivers/usb/host/xhci-ring.c
> @@ -775,7 +775,7 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci,
> }
> }
> xhci_urb_free_priv(urb_priv);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> trace_xhci_urb_giveback(urb);
> usb_hcd_giveback_urb(hcd, urb, status);
> }
> @@ -4178,7 +4178,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
> ep_ring->enqueue = urb_priv->td[0].first_trb;
> ep_ring->enq_seg = urb_priv->td[0].start_seg;
> ep_ring->cycle_state = start_cycle;
> - usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> return ret;
> }
>
> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
> index 899c0effb5d3..780c2c89407e 100644
> --- a/drivers/usb/host/xhci.c
> +++ b/drivers/usb/host/xhci.c
> @@ -1789,7 +1789,7 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
> err_giveback:
> if (urb_priv)
> xhci_urb_free_priv(urb_priv);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&xhci->lock, flags);
> usb_hcd_giveback_urb(hcd, urb, -ESHUTDOWN);
> return ret;
> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
> index bc4507781167..7d574b40af6a 100644
> --- a/drivers/usb/musb/musb_host.c
> +++ b/drivers/usb/musb/musb_host.c
> @@ -280,7 +280,7 @@ __acquires(musb->lock)
> {
> trace_musb_urb_gb(musb, urb);
>
> - usb_hcd_unlink_urb_from_ep(musb->hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock(&musb->lock);
> usb_hcd_giveback_urb(musb->hcd, urb, status);
> spin_lock(&musb->lock);
> @@ -2157,7 +2157,7 @@ static int musb_urb_enqueue(
> qh = kzalloc(sizeof *qh, mem_flags);
> if (!qh) {
> spin_lock_irqsave(&musb->lock, flags);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&musb->lock, flags);
> return -ENOMEM;
> }
> @@ -2292,7 +2292,7 @@ static int musb_urb_enqueue(
> done:
> if (ret != 0) {
> spin_lock_irqsave(&musb->lock, flags);
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&musb->lock, flags);
> kfree(qh);
> }
> diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
> index ae54221011c3..a3646bace962 100644
> --- a/drivers/usb/renesas_usbhs/mod_host.c
> +++ b/drivers/usb/renesas_usbhs/mod_host.c
> @@ -652,7 +652,7 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
>
> usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep));
>
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> usb_hcd_giveback_urb(hcd, urb, status);
> }
>
> diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
> index 8dac1edc74d4..a182ffa32c99 100644
> --- a/drivers/usb/usbip/vhci_hcd.c
> +++ b/drivers/usb/usbip/vhci_hcd.c
> @@ -806,7 +806,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag
> return 0;
>
> no_need_xmit:
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> no_need_unlink:
> spin_unlock_irqrestore(&vhci->lock, flags);
> if (!ret) {
> @@ -912,7 +912,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
> * vhci_rx will receive RET_UNLINK and give back the URB.
> * Otherwise, we give back it here.
> */
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
> spin_unlock_irqrestore(&vhci->lock, flags);
> usb_hcd_giveback_urb(hcd, urb, urb->status);
> @@ -977,7 +977,7 @@ static void vhci_cleanup_unlink_list(struct vhci_device *vdev,
>
> urb->status = -ENODEV;
>
> - usb_hcd_unlink_urb_from_ep(hcd, urb);
> + usb_hcd_unlink_urb_from_ep(urb);
>
> list_del(&unlink->list);
>
> diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
> index 7f2d1c241559..236d0dd95d3b 100644
> --- a/drivers/usb/usbip/vhci_rx.c
> +++ b/drivers/usb/usbip/vhci_rx.c
> @@ -101,7 +101,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
> usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
>
> spin_lock_irqsave(&vhci->lock, flags);
> - usb_hcd_unlink_urb_from_ep(vhci_hcd_to_hcd(vhci_hcd), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&vhci->lock, flags);
>
> usb_hcd_giveback_urb(vhci_hcd_to_hcd(vhci_hcd), urb, urb->status);
> @@ -172,7 +172,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
> pr_info("urb->status %d\n", urb->status);
>
> spin_lock_irqsave(&vhci->lock, flags);
> - usb_hcd_unlink_urb_from_ep(vhci_hcd_to_hcd(vhci_hcd), urb);
> + usb_hcd_unlink_urb_from_ep(urb);
> spin_unlock_irqrestore(&vhci->lock, flags);
>
> usb_hcd_giveback_urb(vhci_hcd_to_hcd(vhci_hcd), urb, urb->status);
> diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
> index ac95e7c89df5..9a451658a779 100644
> --- a/include/linux/usb/hcd.h
> +++ b/include/linux/usb/hcd.h
> @@ -425,7 +425,7 @@ static inline bool hcd_uses_dma(struct usb_hcd *hcd)
> extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
> extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb,
> int status);
> -extern void usb_hcd_unlink_urb_from_ep(struct usb_hcd *hcd, struct urb *urb);
> +extern void usb_hcd_unlink_urb_from_ep(struct urb *urb);
>
> extern int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags);
> extern int usb_hcd_unlink_urb(struct urb *urb, int status);
thanks,
-- Shuah
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