linux-kernel - [PATCH] ARCv2: [axs103_smp] Reduce clk for SMP FPGA configs

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Date:	Fri, 11 Sep 2015 16:32:22 -0700
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	lkml <linux-kernel@...r.kernel.org>, <arc-linux-dev@...opsys.com>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	<stable@...r.kernel.org>
Subject: [PATCH] ARCv2: [axs103_smp] Reduce clk for SMP FPGA configs

Newer bitfiles needs the reduced clk even for SMP builds

Cc: <stable@...r.kernel.org>  #4.2
Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
---
 arch/arc/plat-axs10x/axs10x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c
index ad9825d4026a..0a77b19e1df8 100644
--- a/arch/arc/plat-axs10x/axs10x.c
+++ b/arch/arc/plat-axs10x/axs10x.c
@@ -402,6 +402,8 @@ static void __init axs103_early_init(void)
 	unsigned int num_cores = (read_aux_reg(ARC_REG_MCIP_BCR) >> 16) & 0x3F;
 	if (num_cores > 2)
 		arc_set_core_freq(50 * 1000000);
+	else if (num_cores == 2)
+		arc_set_core_freq(75 * 1000000);
 #endif
 
 	switch (arc_get_core_freq()/1000000) {
-- 
1.9.1

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