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yaml
---
r: 295706
b: refs/heads/master
c: e68e809
h: refs/heads/master
v: v3
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Paul Walmsley authored and Kevin Hilman committed Mar 5, 2012
1 parent 26f75fe commit 30d07fc
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Showing 2 changed files with 18 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 506c7d7931317813b3142f57d44bf113102a2a8f
refs/heads/master: e68e8093ed570f9272665112d13d4c5811536680
39 changes: 17 additions & 22 deletions trunk/arch/arm/mach-omap2/pm.c
Original file line number Diff line number Diff line change
Expand Up @@ -72,28 +72,27 @@ static void omap2_init_processor_devices(void)
* This sets pwrdm state (other than mpu & core. Currently only ON &
* RET are supported.
*/
int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 pwrst)
{
u32 cur_state;
int sleep_switch = -1;
int ret = 0;
int hwsup = 0;
u8 curr_pwrst, next_pwrst;
int sleep_switch = -1, ret = 0, hwsup = 0;

if (pwrdm == NULL || IS_ERR(pwrdm))
if (!pwrdm || IS_ERR(pwrdm))
return -EINVAL;

while (!(pwrdm->pwrsts & (1 << state))) {
if (state == PWRDM_POWER_OFF)
while (!(pwrdm->pwrsts & (1 << pwrst))) {
if (pwrst == PWRDM_POWER_OFF)
return ret;
state--;
pwrst--;
}

cur_state = pwrdm_read_next_pwrst(pwrdm);
if (cur_state == state)
next_pwrst = pwrdm_read_next_pwrst(pwrdm);
if (next_pwrst == pwrst)
return ret;

if (pwrdm_read_pwrst(pwrdm) < PWRDM_POWER_ON) {
if ((pwrdm_read_pwrst(pwrdm) > state) &&
curr_pwrst = pwrdm_read_pwrst(pwrdm);
if (curr_pwrst < PWRDM_POWER_ON) {
if ((curr_pwrst > pwrst) &&
(pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) {
sleep_switch = LOWPOWERSTATE_SWITCH;
} else {
Expand All @@ -103,12 +102,10 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
}
}

ret = pwrdm_set_next_pwrst(pwrdm, state);
if (ret) {
pr_err("%s: unable to set state of powerdomain: %s\n",
ret = pwrdm_set_next_pwrst(pwrdm, pwrst);
if (ret)
pr_err("%s: unable to set power state of powerdomain: %s\n",
__func__, pwrdm->name);
goto err;
}

switch (sleep_switch) {
case FORCEWAKEUP_SWITCH:
Expand All @@ -119,13 +116,11 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
break;
case LOWPOWERSTATE_SWITCH:
pwrdm_set_lowpwrstchange(pwrdm);
pwrdm_wait_transition(pwrdm);
pwrdm_state_switch(pwrdm);
break;
default:
return ret;
}

pwrdm_state_switch(pwrdm);
err:
return ret;
}

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