Re: [PATCH v4 2/5] acpi: Store CRC-32 hash of the _PLD in struct acpi_device

Andy Shevchenko
2021-12-22T18:29:47Z

On Wed, Dec 22, 2021 at 05:32:55PM +0300, Heikki Krogerus wrote:
> Storing CRC-32 hash of the Physical Location of Device
> object (_PLD) with devices that have it. The hash is stored
> to a new struct acpi_device member "pld_crc".
>
> The hash makes it easier to find devices that share a
> location, as there is no need to evaluate the entire object
> every time. Knowledge about devices that share a location
> can be used in device drivers that need to know the
> connections to other components inside a system. USB3 ports
> will for example always share their location with a USB2
> port.

...

> @@ -739,7 +752,6 @@ static inline void acpi_bus_put_acpi_device(struct acpi_device *adev)
>
> static inline int register_acpi_bus_type(void *bus) { return 0; }
> static inline int unregister_acpi_bus_type(void *bus) { return 0; }
> -
> #endif /* CONFIG_ACPI */

Looks like a stray change.

--
With Best Regards,
Andy Shevchenko