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arm: bcm235xx: update clock framework 

The handling of the "usage counter" is incorrect, and the clock should
only be disabled when transitioning from 1 to 0.

Reported-by: Chris Brand <chris.brand@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>
This commit is contained in:
Steve Rae 2016-06-21 16:43:07 -07:00 committed by Tom Rini
parent 77a1a677a6
commit 8ada4e0ee6
1 changed files with 5 additions and 5 deletions
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10
arch/arm/cpu/armv7/bcm235xx/clk-core.c
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@ -449,10 +449,9 @@ int clk_enable(struct clk *c)
if (ret)
return ret;
if (!c->use_cnt) {
c->use_cnt++;
if (!c->use_cnt)
ret = c->ops->enable(c, 1);
}
c->use_cnt++;
return ret;
}
@ -464,9 +463,10 @@ void clk_disable(struct clk *c)
if (!c->ops || !c->ops->enable)
return;
if (c->use_cnt) {
if (c->use_cnt > 0) {
c->use_cnt--;
c->ops->enable(c, 0);
if (c->use_cnt == 0)
c->ops->enable(c, 0);
}
/* disable parent */