Initialise hardware supervised mode for all clockdomains if it's supported. Initiate sleep transition for other clockdomains, if they are not being used.
Signed-off-by: Santosh Shilimkar <[email protected]> Signed-off-by: Rajendra Nayak <[email protected]> Reviewed-by: Kevin Hilman <[email protected]> --- arch/arm/mach-omap2/pm44xx.c | 22 +++++++++++++++++++++- 1 files changed, 21 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index b142673..9a9dc41 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -17,9 +17,11 @@ #include <linux/slab.h> #include <plat/clock.h> -#include "powerdomain.h" #include <mach/omap4-common.h> +#include "powerdomain.h" +#include "clockdomain.h" + struct power_state { struct powerdomain *pwrdm; u32 next_state; @@ -74,6 +76,22 @@ static const struct platform_suspend_ops omap_pm_ops = { }; #endif /* CONFIG_SUSPEND */ +/* + * Enable hardwarew supervised mode for all clockdomains if it's + * supported. Initiate sleep transition for other clockdomains, if + * they are not used + */ +static int __init clkdms_setup(struct clockdomain *clkdm, void *unused) +{ + if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO) + clkdm_allow_idle(clkdm); + else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP && + atomic_read(&clkdm->usecount) == 0) + clkdm_sleep(clkdm); + return 0; +} + + static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { struct power_state *pwrst; @@ -116,6 +134,8 @@ static int __init omap4_pm_init(void) /* Enable autoidle for all clks which support it*/ omap_clk_enable_autoidle(); + (void) clkdm_for_each(clkdms_setup, NULL); + ret = omap4_mpuss_init(); if (ret) { pr_err("Failed to initialise OMAP4 MPUSS\n"); -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
