[PATCH v2 12/39] dm: core: Add basic ACPI support
andriy.shevchenko at linux.intel.com
Tue Mar 10 15:46:19 CET 2020
On Sun, Mar 08, 2020 at 09:44:36PM -0600, Simon Glass wrote:
> ACPI (Advanced Configuration and Power Interface) is an Intel standard
Not Intel for a long time. Or more precisely, not *only* Intel.
Also this should be corrected (I guess dropping Intel would work) everywhere in
> for specifying information about a platform.
> It is a little like device
> tree but considerably more complicated and with more backslashes.
For what purpose this passage?
Isn't the same reason why ARM64 choose ACPI to be supported for servers?
> primary difference is that it supports an interpreted bytecode language.
> Driver model does not use ACPI for U-Boot's configuration, but it is
> convenient to have it support generation of ACPI tables for passing to
> Linux, etc.
> As a starting point, add an optional set of ACPI operations to each
> device. Initially only a single operation is available, to obtain the
> ACPI name for the device. More operations are added later.
> Enable ACPI for sandbox to ensure build coverage and so that we can add
> +/* Length of an ACPI name string, excluding nul terminator */
> +#define ACPI_NAME_LEN 4
> +/* Length of an ACPI name string including nul terminator */
> +#define ACPI_NAME_MAX 5
Do we really need two definitions?
> + /* Intel Advanced Configuration and Power Interface (ACPI) */
Same as above for commit message.
With Best Regards,
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