aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/pseries/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
-rw-r--r--arch/powerpc/platforms/pseries/setup.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 999509d28af8..476b564a208b 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -118,6 +118,21 @@ static void __init fwnmi_init(void)
fwnmi_active = 1;
}
+void pSeries_8259_cascade(unsigned int irq, struct irq_desc *desc,
+ struct pt_regs *regs)
+{
+ unsigned int max = 100;
+
+ while(max--) {
+ int cascade_irq = i8259_irq(regs);
+ if (max == 99)
+ desc->chip->eoi(irq);
+ if (cascade_irq < 0)
+ break;
+ generic_handle_irq(cascade_irq, regs);
+ };
+}
+
static void __init pSeries_init_mpic(void)
{
unsigned int *addrp;
@@ -140,7 +155,7 @@ static void __init pSeries_init_mpic(void)
i8259_init(intack, 0);
/* Hook cascade to mpic */
- mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL);
+ set_irq_chained_handler(NUM_ISA_INTERRUPTS, pSeries_8259_cascade);
}
static void __init pSeries_setup_mpic(void)
@@ -201,10 +216,8 @@ static void __init pSeries_setup_arch(void)
/* Allocate the mpic now, so that find_and_init_phbs() can
* fill the ISUs */
pSeries_setup_mpic();
- } else {
+ } else
ppc_md.init_IRQ = xics_init_IRQ;
- ppc_md.get_irq = xics_get_irq;
- }
#ifdef CONFIG_SMP
smp_init_pSeries();
@@ -291,10 +304,7 @@ static void pSeries_mach_cpu_die(void)
{
local_irq_disable();
idle_task_exit();
- /* Some hardware requires clearing the CPPR, while other hardware does not
- * it is safe either way
- */
- pSeriesLP_cppr_info(0, 0);
+ xics_teardown_cpu(0);
rtas_stop_self();
/* Should never get here... */
BUG();

Privacy Policy