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path: root/drivers/usb/host/ohci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
-rw-r--r--drivers/usb/host/ohci-hcd.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 4f9982ecfb58..9c7f3008646e 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -44,7 +44,7 @@
#include <asm/io.h>
#include <asm/irq.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <asm/byteorder.h>
@@ -746,7 +746,8 @@ static int ohci_start(struct usb_hcd *hcd)
*/
static void io_watchdog_func(struct timer_list *t)
{
- struct ohci_hcd *ohci = from_timer(ohci, t, io_watchdog);
+ struct ohci_hcd *ohci = timer_container_of(ohci, t,
+ io_watchdog);
bool takeback_all_pending = false;
u32 status;
u32 head;
@@ -888,6 +889,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd)
/* Check for an all 1's result which is a typical consequence
* of dead, unclocked, or unplugged (CardBus...) devices
*/
+again:
if (ints == ~(u32)0) {
ohci->rh_state = OHCI_RH_HALTED;
ohci_dbg (ohci, "device removed!\n");
@@ -982,6 +984,13 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd)
}
spin_unlock(&ohci->lock);
+ /* repeat until all enabled interrupts are handled */
+ if (ohci->rh_state != OHCI_RH_HALTED) {
+ ints = ohci_readl(ohci, &regs->intrstatus);
+ if (ints && (ints & ohci_readl(ohci, &regs->intrenable)))
+ goto again;
+ }
+
return IRQ_HANDLED;
}
@@ -995,7 +1004,7 @@ static void ohci_stop (struct usb_hcd *hcd)
if (quirk_nec(ohci))
flush_work(&ohci->nec_work);
- del_timer_sync(&ohci->io_watchdog);
+ timer_delete_sync(&ohci->io_watchdog);
ohci->prev_frame_no = IO_WATCHDOG_OFF;
ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);