On Tuesday, February 24, 2015 05:36:25 PM al.stone@xxxxxxxxxx wrote: > From: Al Stone <al.stone@xxxxxxxxxx> > > ACPI_OS_NAME is globally defined as "Microsoft Windows NT" for now. > That doesn't make much sense in the ARM context, so set it to "Linux" > when CONFIG_ARM64. > > If it is necessary to change the return value from \_OS_ (that is, return > some value other than the default in ACPI_OS_NAME), use the kernel parameter > "acpi_os_name=<string>". > > Many thanks to Rafael Wysocki for this greatly simplified form of the patch. > > Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> > Signed-off-by: Al Stone <al.stone@xxxxxxxxxx> Yup, fine by me. > --- > arch/arm64/Kconfig | 5 +++++ > include/acpi/acconfig.h | 2 ++ > include/acpi/platform/aclinux.h | 4 ++++ > 3 files changed, 11 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index e441d28..d812113 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -87,6 +87,11 @@ config ARM64 > config 64BIT > def_bool y > > +config ACPI_OS_NAME > + string > + default "Linux" > + depends on ACPI > + > config ARCH_PHYS_ADDR_T_64BIT > def_bool y > > diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h > index 5a0a3e5..1980bf4 100644 > --- a/include/acpi/acconfig.h > +++ b/include/acpi/acconfig.h > @@ -69,7 +69,9 @@ > * code that will not execute the _OSI method unless _OS matches the string > * below. Therefore, change this string at your own risk. > */ > +#ifndef ACPI_OS_NAME > #define ACPI_OS_NAME "Microsoft Windows NT" > +#endif > > /* Maximum objects in the various object caches */ > > diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h > index 1ba7c19..a871cdd 100644 > --- a/include/acpi/platform/aclinux.h > +++ b/include/acpi/platform/aclinux.h > @@ -69,6 +69,10 @@ > #define ACPI_REDUCED_HARDWARE 1 > #endif > > +#ifdef CONFIG_ACPI_OS_NAME > +#define ACPI_OS_NAME CONFIG_ACPI_OS_NAME > +#endif > + > #include <linux/string.h> > #include <linux/kernel.h> > #include <linux/ctype.h> > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
