diff options
Diffstat (limited to 'arch/arm/mach-omap2/clockdomain.c')
| -rw-r--r-- | arch/arm/mach-omap2/clockdomain.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index b26d30a1430..b87ad66f083 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -978,7 +978,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) * downstream clocks for debugging purposes? */ - if (!clkdm || !clk || !clkdm->clkstctrl_reg) + if (!clkdm || !clk) return -EINVAL; if (atomic_inc_return(&clkdm->usecount) > 1) @@ -989,6 +989,9 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name, clk->name); + if (!clkdm->clkstctrl_reg) + return 0; + v = omap2_clkdm_clktrctrl_read(clkdm); if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || @@ -1030,7 +1033,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) * downstream clocks for debugging purposes? */ - if (!clkdm || !clk || !clkdm->clkstctrl_reg) + if (!clkdm || !clk) return -EINVAL; #ifdef DEBUG @@ -1048,6 +1051,9 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name, clk->name); + if (!clkdm->clkstctrl_reg) + return 0; + v = omap2_clkdm_clktrctrl_read(clkdm); if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || |