patch-2.3.49 linux/arch/alpha/kernel/sys_alcor.c
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- Lines: 47
- Date:
Mon Feb 28 14:54:30 2000
- Orig file:
v2.3.48/linux/arch/alpha/kernel/sys_alcor.c
- Orig date:
Sun Feb 20 21:12:38 2000
diff -u --recursive --new-file v2.3.48/linux/arch/alpha/kernel/sys_alcor.c linux/arch/alpha/kernel/sys_alcor.c
@@ -48,7 +48,7 @@
alcor_update_irq_hw(cached_irq_mask |= 1UL << (irq - 16));
}
-static inline void
+static void
alcor_disable_irq(unsigned int irq)
{
alcor_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16)));
@@ -81,6 +81,13 @@
*(vuip)GRU_INT_CLEAR = 0; mb();
}
+static void
+alcor_end_irq(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+ alcor_enable_irq(irq);
+}
+
static struct hw_interrupt_type alcor_irq_type = {
typename: "ALCOR",
startup: alcor_startup_irq,
@@ -88,7 +95,7 @@
enable: alcor_enable_irq,
disable: alcor_disable_irq,
ack: alcor_mask_and_ack_irq,
- end: alcor_enable_irq,
+ end: alcor_end_irq,
};
static void
@@ -134,13 +141,12 @@
on while IRQ probing. */
if (i >= 16+20 && i <= 16+30)
continue;
- irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
irq_desc[i].handler = &alcor_irq_type;
}
i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq;
init_i8259a_irqs();
- init_rtc_irq();
common_init_isa_dma();
setup_irq(16+31, &isa_cascade_irqaction);
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)