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hwmon: (acpi_power_meter) Fix fail to load module on platform without _PMD method

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According to the ACPI specification, the _PMD method is optional. The
acpi_power_meter driver shouldn't fail to load if the platform has no
_PMD method.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Message-ID: <20241112021228.22914-1-lihuisong@huawei.com>
[groeck: Reworded commit description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Huisong Li 2024-11-12 10:12:28 +08:00 committed by Guenter Roeck
parent 57ee12b6c5
commit fabb1f813e
1 changed files with 2 additions and 1 deletions
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3
drivers/hwmon/acpi_power_meter.c
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@ -680,8 +680,9 @@ static int setup_attrs(struct acpi_power_meter_resource *resource)
{
int res = 0;
/* _PMD method is optional. */
res = read_domain_devices(resource);
if (res)
if (res != -ENODEV)
return res;
if (resource->caps.flags & POWER_METER_CAN_MEASURE) {