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Commit 33de32b3 authored by Rajendra Nayak's avatar Rajendra Nayak Committed by Paul Walmsley
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OMAP4: PM: Do not assume clkdm supports hw transitions 



omap_set_pwrdm_state today assumes a clkdm supports hw_auto
transitions and hence leaves some which do not support this
in sw wkup state preventing low power transitions.

Signed-off-by: default avatarRajendra Nayak <rnayak@ti.com>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: default avatarBenoit Cousson <b-cousson@ti.com>
Acked-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent 71a488db

arch/arm/mach-omap2/pm.c

+5 −3
Original line number Diff line number Diff line
@@ -95,8 +95,7 @@ static void omap2_init_processor_devices(void) 


/*

 * This sets pwrdm state (other than mpu & core. Currently only ON &

 * RET are supported. Function is assuming that clkdm doesn't have

 * hw_sup mode enabled.

 * RET are supported.

 */

int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)

{
@@ -137,7 +136,10 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) 


	switch (sleep_switch) {

	case FORCEWAKEUP_SWITCH:

		if (pwrdm->pwrdm_clkdms[0]->flags & CLKDM_CAN_ENABLE_AUTO)

			omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);

		else

			omap2_clkdm_sleep(pwrdm->pwrdm_clkdms[0]);

		break;

	case LOWPOWERSTATE_SWITCH:

		pwrdm_set_lowpwrstchange(pwrdm);