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    Subject[tip:x86/mm] x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms
    Commit-ID:  02428742639bc3300c8c527b054d0ec0bdf5571d
    Gitweb: https://git.kernel.org/tip/02428742639bc3300c8c527b054d0ec0bdf5571d
    Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    AuthorDate: Tue, 20 Feb 2018 20:05:06 +0200
    Committer: Ingo Molnar <mingo@kernel.org>
    CommitDate: Mon, 12 Mar 2018 12:32:57 +0100

    x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms

    When switching to ACPI HW reduced platforms we still want to initialize timers.
    Override x86_init.acpi.reduced_hw_init to achieve that.

    Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Cc: Eric Biederman <ebiederm@xmission.com>
    Cc: Juergen Gross <jgross@suse.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Rafael J . Wysocki <rafael.j.wysocki@intel.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: linux-acpi@vger.kernel.org
    Link: http://lkml.kernel.org/r/20180220180506.65523-3-andriy.shevchenko@linux.intel.com
    Signed-off-by: Ingo Molnar <mingo@kernel.org>
    ---
    arch/x86/platform/intel-mid/intel-mid.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c
    index 2c67bae6bb53..c556f1e8936e 100644
    --- a/arch/x86/platform/intel-mid/intel-mid.c
    +++ b/arch/x86/platform/intel-mid/intel-mid.c
    @@ -199,6 +199,12 @@ void __init x86_intel_mid_early_setup(void)

    legacy_pic = &null_legacy_pic;

    + /*
    + * Do nothing for now as everything needed done in
    + * x86_intel_mid_early_setup() below.
    + */
    + x86_init.acpi.reduced_hw_early_init = x86_init_noop;
    +
    pm_power_off = intel_mid_power_off;
    machine_ops.emergency_restart = intel_mid_reboot;

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