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ACPI: PM: Print full name path while adding power resource

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While debugging a boot-time issue, it's hard to know what ACPI power
resource the kernel is initializing.

It's very helpful to print the full name path of the power resource
being added so that it is not necessary to guess which one it is,
especially on a system with 2 ore more power resources where the
last name path segment is the same.

Before:
 ACPI: PM: Power Resource [RTD3]
 ACPI: PM: Power Resource [RTD3]
 ACPI: PM: Power Resource [PR00]
 ACPI: PM: Power Resource [PR01]

After:
 ACPI: \_SB_.PCI0.RP01.RTD3: New power resource
 ACPI: \_SB_.PCI0.RP08.RTD3: New power resource
 ACPI: \_SB_.PCI0.I2C3.H016.PR00: New power resource
 ACPI: \_SB_.PCI0.SPI1.CRFP.PR01: New power resource

Signed-off-by: Kane Chen <kane.chen@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kane Chen 2022-11-10 23:39:24 +08:00 committed by Rafael J. Wysocki
parent f0c4d9fc9c
commit dc776bd3eb
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/power.c
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@ -967,7 +967,7 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
if (acpi_power_get_state(resource, &state_dummy))
__acpi_power_on(resource);
pr_info("%s [%s]\n", acpi_device_name(device), acpi_device_bid(device));
acpi_handle_info(handle, "New power resource\n");
result = acpi_tie_acpi_dev(device);
if (result)