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/

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index befbb760ab7..8430983d3e7 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;
                 }