diff options
Diffstat (limited to 'target/linux/aruba-2.6/patches/012-ehci_softirq.patch')
| -rw-r--r-- | target/linux/aruba-2.6/patches/012-ehci_softirq.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/aruba-2.6/patches/012-ehci_softirq.patch b/target/linux/aruba-2.6/patches/012-ehci_softirq.patch deleted file mode 100644 index 4c187d12b..000000000 --- a/target/linux/aruba-2.6/patches/012-ehci_softirq.patch +++ /dev/null @@ -1,70 +0,0 @@ -diff -Nurb linux-2.6.16.1/drivers/usb/host/ehci.h linux-patched/drivers/usb/host/ehci.h ---- linux-2.6.16.1/drivers/usb/host/ehci.h 2006-03-27 22:49:02.000000000 -0800 -+++ linux-patched/drivers/usb/host/ehci.h 2006-04-07 12:07:30.000000000 -0700 -@@ -82,6 +82,7 @@ - struct dma_pool *sitd_pool; /* sitd per split iso urb */ - - struct timer_list watchdog; -+ struct timer_list softirq; - unsigned long actions; - unsigned stamp; - unsigned long next_statechange; -diff -Nurb linux-2.6.16.1/drivers/usb/host/ehci-hcd.c linux-patched/drivers/usb/host/ehci-hcd.c ---- linux-2.6.16.1/drivers/usb/host/ehci-hcd.c 2006-03-27 22:49:02.000000000 -0800 -+++ linux-patched/drivers/usb/host/ehci-hcd.c 2006-04-07 13:20:13.000000000 -0700 -@@ -116,6 +116,7 @@ - #define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */ - #define EHCI_ASYNC_JIFFIES (HZ/20) /* async idle timeout */ - #define EHCI_SHRINK_JIFFIES (HZ/200) /* async qh unlink delay */ -+#define EHCI_SOFTIRQ (HZ/400) - - /* Initial IRQ latency: faster than hw default */ - static int log2_irq_thresh = 0; // 0 to 6 -@@ -263,6 +264,16 @@ - #include "ehci-sched.c" - - /*-------------------------------------------------------------------------*/ -+static irqreturn_t ehci_irq (struct usb_hcd *hcd); -+ -+static void ehci_softirq (unsigned long param) -+{ -+ struct ehci_hcd *ehci = (struct ehci_hcd *) param; -+ -+ if (ehci_irq(ehci_to_hcd(ehci)) != IRQ_NONE) -+ set_bit(HCD_FLAG_SAW_IRQ, &(ehci_to_hcd(ehci))->flags); -+ mod_timer (&ehci->softirq, jiffies + EHCI_SOFTIRQ); -+} - - static void ehci_watchdog (unsigned long param) - { -@@ -280,6 +291,10 @@ - COUNT (ehci->stats.lost_iaa); - writel (STS_IAA, &ehci->regs->status); - ehci->reclaim_ready = 1; -+ if (!timer_pending(&ehci->softirq)) { -+ ehci_info(ehci, "switching to softirq\n"); -+ mod_timer (&ehci->softirq, jiffies + EHCI_SOFTIRQ); -+ } - } - } - -@@ -371,6 +388,7 @@ - - /* no more interrupts ... */ - del_timer_sync (&ehci->watchdog); -+ del_timer_sync (&ehci->softirq); - - spin_lock_irq(&ehci->lock); - if (HC_IS_RUNNING (hcd->state)) -@@ -418,6 +436,10 @@ - ehci->watchdog.function = ehci_watchdog; - ehci->watchdog.data = (unsigned long) ehci; - -+ init_timer(&ehci->softirq); -+ ehci->softirq.function = ehci_softirq; -+ ehci->softirq.data = (unsigned long) ehci; -+ - /* - * hw default: 1K periodic list heads, one per frame. - * periodic_size can shrink by USBCMD update if hcc_params allows. - |