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Defer 'wait_for_irq' until device irq is cleared

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This commit is contained in:
Norman Feske 2012-07-26 19:15:35 +02:00
parent f279a1df00
commit daf4300dcb
1 changed files with 5 additions and 1 deletions
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6
dde_linux/src/drivers/usb/signal/irq.cc
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@ -21,6 +21,7 @@ extern "C" {
/* our local incarnation of sender and receiver */ /* our local incarnation of sender and receiver */
static Signal_helper *_signal = 0; static Signal_helper *_signal = 0;
static Genode::Lock _irq_ack_lock(Genode::Lock::LOCKED);
/** /**
@ -74,6 +75,8 @@ class Irq_context : public Driver_context,
/* set context & submit signal */ /* set context & submit signal */
_signal->sender()->context(ctx->_ctx_cap); _signal->sender()->context(ctx->_ctx_cap);
_signal->sender()->submit(); _signal->sender()->submit();
_irq_ack_lock.lock();
} }
public: public:
@ -101,9 +104,10 @@ class Irq_context : public Driver_context,
dde_kit_log(DEBUG_IRQ, "IRQ: %u ret: %u %p", _irq, rc, h->handler); dde_kit_log(DEBUG_IRQ, "IRQ: %u ret: %u %p", _irq, rc, h->handler);
if (rc == IRQ_HANDLED) { if (rc == IRQ_HANDLED) {
Routine::schedule_all(); Routine::schedule_all();
return; break;
} }
} }
_irq_ack_lock.unlock();
} }
const char *debug() { return "Irq_context"; } const char *debug() { return "Irq_context"; }