linux-kernel - [PATCH 4.2 035/258] ARCv2: [axs103_smp] Reduce clk for SMP FPGA configs

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Date:	Sat, 17 Oct 2015 18:55:48 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Vineet Gupta <vgupta@...opsys.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 4.2 035/258] ARCv2: [axs103_smp] Reduce clk for SMP FPGA configs

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vineet Gupta <Vineet.Gupta1@...opsys.com>

commit 3ebb0540c20d6670396ccee9ff6794c095fa9311 upstream.

Newer bitfiles needs the reduced clk even for SMP builds

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arc/plat-axs10x/axs10x.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arc/plat-axs10x/axs10x.c
+++ b/arch/arc/plat-axs10x/axs10x.c
@@ -402,6 +402,8 @@ static void __init axs103_early_init(voi
 	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) {


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