[PATCH] ARC: [plat-eznps] remove IPI clear from SMP operations

From: Noam Camus
Date: Mon Nov 07 2016 - 02:48:48 EST


From: Noam Camus <noamca@xxxxxxxxxxxx>

Generic IRQ mechanism is already acknowledge the IPI IRQ.
Doing this once more time in IPI handler is not needed.

Signed-off-by: Noam Camus <noamca@xxxxxxxxxxxx>
---
arch/arc/plat-eznps/smp.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/arch/arc/plat-eznps/smp.c b/arch/arc/plat-eznps/smp.c
index 5e901f8..56a4c85 100644
--- a/arch/arc/plat-eznps/smp.c
+++ b/arch/arc/plat-eznps/smp.c
@@ -140,16 +140,10 @@ static void eznps_init_per_cpu(int cpu)
mtm_enable_core(cpu);
}

-static void eznps_ipi_clear(int irq)
-{
- write_aux_reg(CTOP_AUX_IACK, 1 << irq);
-}
-
struct plat_smp_ops plat_smp_ops = {
.info = smp_cpuinfo_buf,
.init_early_smp = eznps_init_cpumasks,
.cpu_kick = eznps_smp_wakeup_cpu,
.ipi_send = eznps_ipi_send,
.init_per_cpu = eznps_init_per_cpu,
- .ipi_clear = eznps_ipi_clear,
};
--
1.7.1