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    Subject[PATCH 2.6.21-rt2] PowerPC: revert fix for threaded fasteoi IRQ handlers
    Date
    Revert the change to the "fasteoi" type chips as after handle_fasteoi_irq() had
    been fixed, they've become meaningless (and even dangerous -- as was the case
    with Celleb that has been fixed earlier)...

    Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

    ---
    The patch in question wasn't even initially accepted but then was erroneously
    restored along with the TOD patch. I've asked to revert it but to no avail,
    so here's the formal patch to revert it at last...

    arch/powerpc/platforms/iseries/irq.c | 1 -
    arch/powerpc/platforms/pseries/xics.c | 2 --
    arch/powerpc/sysdev/mpic.c | 1 -
    3 files changed, 4 deletions(-)

    Index: linux-2.6/arch/powerpc/platforms/iseries/irq.c
    ===================================================================
    --- linux-2.6.orig/arch/powerpc/platforms/iseries/irq.c
    +++ linux-2.6/arch/powerpc/platforms/iseries/irq.c
    @@ -279,7 +279,6 @@ static struct irq_chip iseries_pic = {
    .shutdown = iseries_shutdown_IRQ,
    .unmask = iseries_enable_IRQ,
    .mask = iseries_disable_IRQ,
    - .ack = iseries_end_IRQ,
    .eoi = iseries_end_IRQ
    };

    Index: linux-2.6/arch/powerpc/platforms/pseries/xics.c
    ===================================================================
    --- linux-2.6.orig/arch/powerpc/platforms/pseries/xics.c
    +++ linux-2.6/arch/powerpc/platforms/pseries/xics.c
    @@ -456,7 +456,6 @@ static struct irq_chip xics_pic_direct =
    .startup = xics_startup,
    .mask = xics_mask_irq,
    .unmask = xics_unmask_irq,
    - .ack = xics_eoi_direct,
    .eoi = xics_eoi_direct,
    .set_affinity = xics_set_affinity
    };
    @@ -467,7 +466,6 @@ static struct irq_chip xics_pic_lpar = {
    .startup = xics_startup,
    .mask = xics_mask_irq,
    .unmask = xics_unmask_irq,
    - .ack = xics_eoi_lpar,
    .eoi = xics_eoi_lpar,
    .set_affinity = xics_set_affinity
    };
    Index: linux-2.6/arch/powerpc/sysdev/mpic.c
    ===================================================================
    --- linux-2.6.orig/arch/powerpc/sysdev/mpic.c
    +++ linux-2.6/arch/powerpc/sysdev/mpic.c
    @@ -776,7 +776,6 @@ static int mpic_set_irq_type(unsigned in
    static struct irq_chip mpic_irq_chip = {
    .mask = mpic_mask_irq,
    .unmask = mpic_unmask_irq,
    - .ack = mpic_end_irq,
    .eoi = mpic_end_irq,
    .set_type = mpic_set_irq_type,
    };
    -
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