[PATCH v6 12/29] dm: core: Add basic ACPI support

[Simon Glass]

On Thu, 9 Apr 2020 at 11:40, Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
>
> On Thu, Apr 09, 2020 at 10:27:38AM -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.
> >
>
> Both looks good to me now, thanks!
>
> > Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> > Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
> > Signed-off-by: Simon Glass <sjg at chromium.org>
> > ---
> >
> > Changes in v6:
> > - Use ACPI_NAME_LEN in acpi_copy_name since we add the nul anyway
> >
> > Changes in v5:
> > - Capitalise ACPI_OPS_PTR since it includes a comma
> >
> > Changes in v4: None
> > Changes in v3:
> > - Drop 'Intel' from 'Intel ACPI'
> > - Reword commit message to drop the bit about ACPI being complicated
> > - Compute ACPI_NAME_MAX from ACPI_NAME_LEN
> > - Rename acpi_return_name() to acpi_copy_name()
> > - Use strncpy() instead of strcpy() in acpi_copy_name()
> >
> > Changes in v2:
> > - Move LOGC_ACPI definition to this patch
> >
> >  configs/tools-only_defconfig |  1 +
> >  drivers/core/Kconfig         |  9 +++++
> >  drivers/core/Makefile        |  1 +
> >  drivers/core/acpi.c          | 33 ++++++++++++++++
> >  include/dm/acpi.h            | 73 ++++++++++++++++++++++++++++++++++++
> >  include/dm/device.h          |  5 +++
> >  include/log.h                |  2 +
> >  7 files changed, 124 insertions(+)
> >  create mode 100644 drivers/core/acpi.c
> >  create mode 100644 include/dm/acpi.h

Andy let me add your tag.

Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>