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Commit 3c50729b authored by Santosh Shilimkar's avatar Santosh Shilimkar Committed by Kevin Hilman
Browse files

ARM: OMAP4: PM: Initialise all the clockdomains to supported states 



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: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: default avatarRajendra Nayak <rnayak@ti.com>
Acked-by: default avatarJean Pihet <j-pihet@ti.com>
Reviewed-by: default avatarKevin Hilman <khilman@ti.com>
Tested-by: default avatarVishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@ti.com>
parent 361b02f3

arch/arm/mach-omap2/pm44xx.c

+19 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/slab.h>



#include "common.h"

#include "clockdomain.h"

#include "powerdomain.h"



struct power_state {
@@ -73,6 +74,22 @@ static const struct platform_suspend_ops omap_pm_ops = { 
};

#endif /* CONFIG_SUSPEND */



/*

 * Enable hardware 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;
@@ -146,6 +163,8 @@ static int __init omap4_pm_init(void) 
		goto err2;

	}



	(void) clkdm_for_each(clkdms_setup, NULL);



#ifdef CONFIG_SUSPEND

	suspend_set_ops(&omap_pm_ops);

#endif /* CONFIG_SUSPEND */