From: Noam Camus <noamca@mellanox.com>
To: <vgupta@synopsys.com>
Cc: <linux-snps-arc@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, Noam Camus <noamca@mellanox.com>
Subject: [PATCH] ARC: [plat-eznps] remove IPI clear from SMP operations
Date: Mon, 7 Nov 2016 09:34:21 +0200 [thread overview]
Message-ID: <1478504061-4668-1-git-send-email-noamca@mellanox.com> (raw)
From: Noam Camus <noamca@mellanox.com>
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@mellanox.com>
---
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
next reply other threads:[~2016-11-07 7:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-07 7:34 Noam Camus [this message]
2016-11-07 18:54 ` Vineet Gupta
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