[patch v11 18/23] ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64

[Catalin Marinas]

On Tue, Mar 24, 2015 at 10:02:51PM +0800, Hanjun Guo wrote:
> From: Al Stone <al.stone at linaro.org>
> 
> ACPI reduced hardware mode is disabled by default, but ARM64
> can only run properly in ACPI hardware reduced mode, so select
> ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64.
> 
> If the firmware is not using hardware reduced ACPI mode, we
> will disable ACPI to avoid nightmare such as accessing some
> registers which are not available on ARM64.
> 
> CC: Catalin Marinas <catalin.marinas at arm.com>
> CC: Will Deacon <will.deacon at arm.com>
> Reviewed-by: Grant Likely <grant.likely at linaro.org>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit at amd.com>
> Tested-by: Yijing Wang <wangyijing at huawei.com>
> Tested-by: Mark Langsdorf <mlangsdo at redhat.com>
> Tested-by: Jon Masters <jcm at redhat.com>
> Tested-by: Timur Tabi <timur at codeaurora.org>
> Tested-by: Robert Richter <rrichter at cavium.com>
> Acked-by: Robert Richter <rrichter at cavium.com>
> Signed-off-by: Al Stone <al.stone at linaro.org>
> Signed-off-by: Hanjun Guo <hanjun.guo at linaro.org>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>