On 01/16/2014 03:55 AM, Arnd Bergmann wrote:
On Thursday 16 January 2014, Al Stone wrote:
On 01/14/2014 02:26 PM, Arnd Bergmann wrote:
On Tuesday 14 January 2014 13:37:02 al.stone@xxxxxxxxxx wrote:
+config ACPI_REDUCED_HARDWARE_ONLY
+ bool "Hardware-reduced ACPI support only"
+ def_bool n
+ depends on ACPI && EXPERT
I think this will cause a Kconfig warning if you try to select this
on ARM64 without turning on EXPERT as well.
It should be ok if you express it as
config ACPI_REDUCED_HARDWARE_ONLY
bool "Hardware-reduced ACPI support only" if EXPERT
def_bool n
depends on ACPI
Arnd
I am very puzzled. I went back and re-did my configs from
before, tried a few new ones, and tried with both expressions
above, but I could not get a Kconfig warning. Do you have an
example .config that shows the warning?
I don't have a source tree that allows turning on ACPI on arm64
to easily test this. To clarify: the warning will only happen if
you also add this piece to arch/arm64/Kconfig:
select ACPI_REDUCED_HARDWARE_ONLY if ACPI
Arnd
Right; I assumed I had to have that SELECT. My apologies -- I
still cannot reproduce the warning. I'll resubmit the patch
incorporating the suggestion, though, since the result ends up
being the same -- you must have ACPI and EXPERT selected in order
to enable ACPI_REDUCED_HARDWARE_ONLY.
Thanks.
--
ciao,
al
-----------------------------------
Al Stone
Software Engineer
Linaro Enterprise Group
al.stone@xxxxxxxxxx
-----------------------------------
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