Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-08 18:37:46 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

pm: PM_RESTORE don't need do prepare_all

Browse Source 
Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2022-06-16 22:47:19 +08:00
committed by Xiang Xiao
parent 88def0244c
commit 82713d9eac
1 changed files with 14 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/power/pm_changestate.c
+14 -11
View File
@@ -203,7 +203,7 @@ static inline void pm_changeall(int domain, enum pm_state_e newstate)
int pm_changestate(int domain, enum pm_state_e newstate)
{
irqstate_t flags;
int ret;
int ret = OK;
DEBUGASSERT(domain >= 0 && domain < CONFIG_PM_NDOMAINS);
@@ -215,19 +215,22 @@ int pm_changestate(int domain, enum pm_state_e newstate)
flags = pm_lock(domain);
/* First, prepare the drivers for the state change. In this phase,
* drivers may refuse the state state change.
*/
ret = pm_prepall(domain, newstate);
if (ret != OK)
if (newstate != PM_RESTORE)
{
/* One or more drivers is not ready for this state change. Revert to
* the preceding state.
/* First, prepare the drivers for the state change. In this phase,
* drivers may refuse the state state change.
*/
newstate = g_pmglobals.domain[domain].state;
pm_prepall(domain, newstate);
ret = pm_prepall(domain, newstate);
if (ret != OK)
{
/* One or more drivers is not ready for this state change.
* Revert to the preceding state.
*/
newstate = g_pmglobals.domain[domain].state;
pm_prepall(domain, newstate);
}
}
/* All drivers have agreed to the state change (or, one or more have