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    Subject[tip:x86/apic] x86: ce4100, irq: Do not set legacy_pic to null_legacy_pic
    Commit-ID:  6532ce994c304835f3bfc8479acce9d102cd8b5b
    Gitweb: http://git.kernel.org/tip/6532ce994c304835f3bfc8479acce9d102cd8b5b
    Author: Jiang Liu <jiang.liu@linux.intel.com>
    AuthorDate: Mon, 9 Jun 2014 16:19:47 +0800
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitDate: Sat, 21 Jun 2014 23:05:42 +0200

    x86: ce4100, irq: Do not set legacy_pic to null_legacy_pic

    Intel CE4100 platforms has i8259 legacy interrupt controllers, so don't
    set legacy_pic to null_legacy_pic in late booting stage because we need
    legacy_pic to mask i8259 pins when enabling IOAPIC pins for safety.

    Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
    Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Joerg Roedel <joro@8bytes.org>
    Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Grant Likely <grant.likely@linaro.org>
    Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
    Cc: Bjorn Helgaas <bhelgaas@google.com>
    Cc: Randy Dunlap <rdunlap@infradead.org>
    Cc: Yinghai Lu <yinghai@kernel.org>
    Link: http://lkml.kernel.org/r/1402302011-23642-19-git-send-email-jiang.liu@linux.intel.com
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    ---
    arch/x86/platform/ce4100/ce4100.c | 2 --
    1 file changed, 2 deletions(-)

    diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
    index 0a54a58..701fd58 100644
    --- a/arch/x86/platform/ce4100/ce4100.c
    +++ b/arch/x86/platform/ce4100/ce4100.c
    @@ -138,8 +138,6 @@ static void __init sdv_arch_setup(void)
    static void sdv_pci_init(void)
    {
    x86_of_pci_init();
    - /* We can't set this earlier, because we need to calibrate the timer */
    - legacy_pic = &null_legacy_pic;
    }

    /*

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