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authorStephen Rothwell <sfr@canb.auug.org.au>2012-03-15 18:18:00 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-03-21 11:16:11 +1100
commitf5339277eb8d3aed37f12a27988366f68ab68930 (patch)
tree4b8f14bb6144b128a2d3741aad21bfe24ba15b0d /arch/powerpc/kernel/irq.c
parentec86b45af464d2d3c00d1125b220d6c3b6ca93d8 (diff)
powerpc: Remove FW_FEATURE ISERIES from arch code
This is no longer selectable, so just remove all the dependent code. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
-rw-r--r--arch/powerpc/kernel/irq.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index eb804e15b29..45b367c8d8b 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -211,11 +211,6 @@ notrace void arch_local_irq_restore(unsigned long en)
* External interrupt events on non-iseries will have caused
* interrupts to be hard-disabled, so there is no problem, we
* cannot have preempted.
- *
- * That leaves us with EEs on iSeries or decrementer interrupts,
- * which I decided to safely ignore. The preemption would have
- * itself been the result of an interrupt, upon which return we
- * will have checked for pending events on the old CPU.
*/
irq_happened = get_irq_happened();
if (!irq_happened)
@@ -458,15 +453,6 @@ void do_IRQ(struct pt_regs *regs)
irq_exit();
set_irq_regs(old_regs);
-#ifdef CONFIG_PPC_ISERIES
- if (firmware_has_feature(FW_FEATURE_ISERIES) &&
- get_lppaca()->int_dword.fields.decr_int) {
- get_lppaca()->int_dword.fields.decr_int = 0;
- /* Signal a fake decrementer interrupt */
- timer_interrupt(regs);
- }
-#endif
-
trace_irq_exit(regs);
}