#include <linux/gfp.h>
#include <linux/radix-tree.h>
#include <linux/cpu.h>
+#include <asm/firmware.h>
#include <asm/prom.h>
#include <asm/io.h>
#include <asm/pgtable.h>
.set_affinity = xics_set_affinity
};
-static struct hw_interrupt_type xics_8259_pic = {
- .typename = " XICS/8259",
- .ack = xics_mask_and_ack_irq,
-};
-
/* This is used to map real irq numbers to virtual */
static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC);
unsigned long return_value;
lpar_rc = plpar_xirr(&return_value);
- if (lpar_rc != H_Success)
+ if (lpar_rc != H_SUCCESS)
panic(" bad return code xirr - rc = %lx \n", lpar_rc);
return (int)return_value;
}
unsigned long val64 = value & 0xffffffff;
lpar_rc = plpar_eoi(val64);
- if (lpar_rc != H_Success)
+ if (lpar_rc != H_SUCCESS)
panic("bad return code EOI - rc = %ld, value=%lx\n", lpar_rc,
val64);
}
unsigned long lpar_rc;
lpar_rc = plpar_cppr(value);
- if (lpar_rc != H_Success)
+ if (lpar_rc != H_SUCCESS)
panic("bad return code cppr - rc = %lx\n", lpar_rc);
}
unsigned long lpar_rc;
lpar_rc = plpar_ipi(get_hard_smp_processor_id(n_cpu), value);
- if (lpar_rc != H_Success)
+ if (lpar_rc != H_SUCCESS)
panic("bad return code qirr - rc = %lx\n", lpar_rc);
}
/* for sanity, this had better be < NR_IRQS - 16 */
if (vec == xics_irq_8259_cascade_real) {
irq = i8259_irq(regs);
- if (irq == -1) {
- /* Spurious cascaded interrupt. Still must ack xics */
- xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
-
- irq = -1;
- }
+ xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
} else if (vec == XICS_IRQ_SPURIOUS) {
irq = -1;
} else {
#ifdef CONFIG_SMP
-irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
{
int cpu = smp_processor_id();
smp_message_recv(PPC_MSG_MIGRATE_TASK, regs);
}
#endif
-#ifdef CONFIG_DEBUGGER
+#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
&xics_ipi_message[cpu].value)) {
mb();
np;
np = of_find_node_by_type(np, "cpu")) {
ireg = (uint *)get_property(np, "reg", &ilen);
- if (ireg && ireg[0] == boot_cpuid_phys) {
+ if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) {
ireg = (uint *)get_property(np, "ibm,ppc-interrupt-gserver#s",
&ilen);
i = ilen / sizeof(int);
xics_irq_8259_cascade_real = *ireg;
xics_irq_8259_cascade
= virt_irq_create_mapping(xics_irq_8259_cascade_real);
+ i8259_init(0, 0);
of_node_put(np);
}
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
ops = &pSeriesLP_ops;
else {
#ifdef CONFIG_SMP
- for_each_cpu(i) {
+ for_each_possible_cpu(i) {
int hard_id;
/* FIXME: Do this dynamically! --RR */
#endif /* CONFIG_SMP */
}
- xics_8259_pic.enable = i8259_pic.enable;
- xics_8259_pic.disable = i8259_pic.disable;
- xics_8259_pic.end = i8259_pic.end;
- for (i = 0; i < 16; ++i)
- get_irq_desc(i)->handler = &xics_8259_pic;
- for (; i < NR_IRQS; ++i)
+ for (i = irq_offset_value(); i < NR_IRQS; ++i)
get_irq_desc(i)->handler = &xics_pic;
xics_setup_cpu();
no_action, 0, "8259 cascade", NULL))
printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 "
"cascade\n");
- i8259_init(0, 0);
}
return 0;
}