Messages in this thread | | | Subject | Re: [PATCH V3 1/2] ACPI / EC: Fix broken big-endian 64bit platforms using 'global_lock' | From | Sudeep Holla <> | Date | Wed, 23 Sep 2015 10:15:42 +0100 |
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On 15/09/15 09:34, Viresh Kumar wrote: > global_lock is defined as an unsigned long and accessing only its lower > 32 bits from sysfs is incorrect, as we need to consider other 32 bits > for big endian 64 bit systems. > > Fix that by making global_lock an u32 instead. > > Cc: <stable@vger.kernel.org> # v4.1+ > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > > --- > Its marked just for # v4.1+, because arm64 has the first 64 big-endian > platform with ACPI. And ACPI support for that is mainlined recently > only (Arnd Bergmann). >
Just to clarify, we don't support big-endian with ACPI on ARM64. We mandate use of EFI for ACPI on ARM64 and EFI spec mandates only little endian.
Regards, Sudeep
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