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openwrt-xburst/target/linux/lantiq/patches-3.6/0001-MIPS-lantiq-explicitly-enable-clkout-generation.patch
blogic 4f2c17075b [lantiq] adds 3.6 files, patches and config
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34061 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-11-02 20:07:26 +00:00

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1.1 KiB
Diff

From 98dbc5764d8b6fa9cabe316fe725281703bf0fc6 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Tue, 24 Jul 2012 08:56:41 +0200
Subject: [PATCH] MIPS: lantiq: explicitly enable clkout generation
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>
Patchwork: http://patchwork.linux-mips.org/patch/4120/
---
arch/mips/lantiq/xway/sysctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index befbb76..8430983 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -187,10 +187,12 @@ 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;
}
--
1.7.10.4