diff options
Diffstat (limited to 'arch/arm/mach-davinci/clock.c')
| -rw-r--r-- | arch/arm/mach-davinci/clock.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index d458558ee84..985e5fd00fb 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -35,19 +35,26 @@ static void __clk_enable(struct clk *clk) { if (clk->parent) __clk_enable(clk->parent); - if (clk->usecount++ == 0 && (clk->flags & CLK_PSC)) - davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, - true, clk->flags); + if (clk->usecount++ == 0) { + if (clk->flags & CLK_PSC) + davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, + true, clk->flags); + else if (clk->clk_enable) + clk->clk_enable(clk); + } } static void __clk_disable(struct clk *clk) { if (WARN_ON(clk->usecount == 0)) return; - if (--clk->usecount == 0 && !(clk->flags & CLK_PLL) && - (clk->flags & CLK_PSC)) - davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, - false, clk->flags); + if (--clk->usecount == 0) { + if (!(clk->flags & CLK_PLL) && (clk->flags & CLK_PSC)) + davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc, + false, clk->flags); + else if (clk->clk_disable) + clk->clk_disable(clk); + } if (clk->parent) __clk_disable(clk->parent); } @@ -126,7 +133,7 @@ EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { if (clk == NULL || IS_ERR(clk)) - return -EINVAL; + return 0; if (clk->round_rate) return clk->round_rate(clk, rate); |