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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2021-07-19 04:56:58 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2021-07-19 04:56:58 +0300
commit320424c7d44f54c18df9812fd7c45f6963524002 (patch)
tree5853aff866a321d476f5e4f2a3de5b5e90408580 /drivers/usb/host/ehci-hcd.c
parentf8f84af5da9ee04ef1d271528656dac42a090d00 (diff)
parent62fb9874f5da54fdb243003b386128037319b219 (diff)
downloadlinux-320424c7d44f54c18df9812fd7c45f6963524002.tar.xz
Merge tag 'v5.13' into next
Sync up with the mainline to get the latest parport API.
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 1926b328b6aa..94b5e64ae9a2 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -651,7 +651,7 @@ static int ehci_run (struct usb_hcd *hcd)
"USB %x.%x started, EHCI %x.%02x%s\n",
((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
temp >> 8, temp & 0xff,
- ignore_oc ? ", overcurrent ignored" : "");
+ (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : "");
ehci_writel(ehci, INTR_MASK,
&ehci->regs->intr_enable); /* Turn On Interrupts */
@@ -705,15 +705,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
u32 status, masked_status, pcd_status = 0, cmd;
int bh;
- unsigned long flags;
- /*
- * For threadirqs option we use spin_lock_irqsave() variant to prevent
- * deadlock with ehci hrtimer callback, because hrtimer callbacks run
- * in interrupt context even when threadirqs is specified. We can go
- * back to spin_lock() variant when hrtimer callbacks become threaded.
- */
- spin_lock_irqsave(&ehci->lock, flags);
+ spin_lock(&ehci->lock);
status = ehci_readl(ehci, &ehci->regs->status);
@@ -731,7 +724,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
/* Shared IRQ? */
if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) {
- spin_unlock_irqrestore(&ehci->lock, flags);
+ spin_unlock(&ehci->lock);
return IRQ_NONE;
}
@@ -842,7 +835,7 @@ dead:
if (bh)
ehci_work (ehci);
- spin_unlock_irqrestore(&ehci->lock, flags);
+ spin_unlock(&ehci->lock);
if (pcd_status)
usb_hcd_poll_rh_status(hcd);
return IRQ_HANDLED;