[PATCH v3 12/29] dm: core: Add basic ACPI support
Andy Shevchenko
andriy.shevchenko at linux.intel.com
Fri Apr 3 13:35:56 CEST 2020
On Mon, Mar 30, 2020 at 05:12:48PM -0600, Simon Glass wrote:
> ACPI (Advanced Configuration and Power Interface) is a standard for
> specifying information about a platform. It is a little like device
> tree but the bindings are part of the specification and 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
> tests.
...
> +int acpi_copy_name(char *out_name, const char *name)
> +{
> + strncpy(out_name, name, ACPI_NAME_MAX);
memcpy()?
> + out_name[ACPI_NAME_LEN] = '\0';
I dunno if compiler is clever enough to catch this and avoid any warnings.
Also it seems above should also have _LEN, and not _MAX.
> + return 0;
> +}
--
With Best Regards,
Andy Shevchenko
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