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[PATCH] MIPS: lantiq: explicitly enable clkout generation

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH] MIPS: lantiq: explicitly enable clkout generation
From: John Crispin <blogic@openwrt.org>
Date: Tue, 24 Jul 2012 08:56:41 +0200
Cc: linux-mips@linux-mips.org, John Crispin <blogic@openwrt.org>
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Previously we relied on the bootloader to have enabled this bit. However some
bootloaders seem to not enable this for us.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/lantiq/xway/sysctrl.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index 79887af..8863cca 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -191,10 +191,12 @@ static int clkout_enable(struct clk *clk)
        for (i = 0; i < 4; i++) {
                if (clk->rates[i] == clk->rate) {
                        int shift = 14 - (2 * clk->module);
+                       int enable = 7 - clk->module;
                        unsigned int val = ltq_cgu_r32(ifccr);
 
                        val &= ~(3 << shift);
                        val |= i << shift;
+                       val |= enable;
                        ltq_cgu_w32(val, ifccr);
                        return 0;
                }
-- 
1.7.9.1


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