UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ACPI: battery: remove redundant old_present check on insertion 

On removal battery_present changes from 1 to 0 after calling
acpi_battery_get_status() and battery->update_time is set to 0
before returning.

On insertion battery_present changes from 0 to 1 after calling
acpi_battery_get_status() and acpi_battery_get_info() is called
because battery->update_time is 0.

The old_present condition is therefore redundant.

This was added in the commit below when there was a path without
sysfs that would skip getting the newly inserted battery info.

commit 50b178512b ("Newly inserted battery might differ from one
just removed, so update of battery info fields is required.")

Signed-off-by: Lucas Rangit Magasweran <lucas.magasweran@ieee.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lucas Rangit Magasweran 2018-07-14 15:40:18 -07:00 committed by Rafael J. Wysocki
parent 9d3cce1e8b
commit 82f2d30570
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/acpi/battery.c
View File

@ -918,10 +918,11 @@ static void acpi_battery_quirks(struct acpi_battery *battery)
static int acpi_battery_update(struct acpi_battery *battery, bool resume)
{
int result, old_present = acpi_battery_present(battery);
result = acpi_battery_get_status(battery);
int result = acpi_battery_get_status(battery);
if (result)
return result;
if (!acpi_battery_present(battery)) {
sysfs_remove_battery(battery);
battery->update_time = 0;
@ -931,8 +932,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
if (resume)
return 0;
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
if (!battery->update_time) {
result = acpi_battery_get_info(battery);
if (result)
return result;