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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 3d1b3ba1f5 pm: shorten the pm procfs domain lock time.
3d1b3ba1f5 is described below

commit 3d1b3ba1f5fa3812da5b6afd1e8bd6a0ecdadfcd
Author: buxiasen <[email protected]>
AuthorDate: Fri May 24 22:05:38 2024 +0800

    pm: shorten the pm procfs domain lock time.
    
    snprintf and procfs_memcpy don't have to do inside lock.
    
    Signed-off-by: buxiasen <[email protected]>
---
 drivers/power/pm/pm_procfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/power/pm/pm_procfs.c b/drivers/power/pm/pm_procfs.c
index 199fc41f9e..39f8d5303b 100644
--- a/drivers/power/pm/pm_procfs.c
+++ b/drivers/power/pm/pm_procfs.c
@@ -330,6 +330,8 @@ static ssize_t pm_read_state(FAR struct file *filep, FAR 
char *buffer,
       sum += wake[state] + sleep[state];
     }
 
+  pm_domain_unlock(pmfile->domain, flags);
+
   sum = sum ? sum : 1;
 
   for (state = 0; state < PM_COUNT && totalsize < buflen; state++)
@@ -355,8 +357,6 @@ static ssize_t pm_read_state(FAR struct file *filep, FAR 
char *buffer,
       totalsize += copysize;
     }
 
-  pm_domain_unlock(pmfile->domain, flags);
-
   filep->f_pos += totalsize;
   return totalsize;
 }

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