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    Subject[patch 04/10] mfd: htc-egpio: Cleanup interrupt handling
    Replace the open coded handler call with the prober accessor. Retrieve
    the handler data from desc. That avoids a redundant lookup in the
    sparse irq case.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    ---
    drivers/mfd/htc-egpio.c | 6 ++----
    1 file changed, 2 insertions(+), 4 deletions(-)

    Index: linux-2.6-tip/drivers/mfd/htc-egpio.c
    ===================================================================
    --- linux-2.6-tip.orig/drivers/mfd/htc-egpio.c
    +++ linux-2.6-tip/drivers/mfd/htc-egpio.c
    @@ -100,7 +100,7 @@ static struct irq_chip egpio_muxed_chip

    static void egpio_handler(unsigned int irq, struct irq_desc *desc)
    {
    - struct egpio_info *ei = get_irq_data(irq);
    + struct egpio_info *ei = irq_desc_get_handler_data(desc);
    int irqpin;

    /* Read current pins. */
    @@ -113,9 +113,7 @@ static void egpio_handler(unsigned int i
    for_each_set_bit(irqpin, &readval, ei->nirqs) {
    /* Run irq handler */
    pr_debug("got IRQ %d\n", irqpin);
    - irq = ei->irq_start + irqpin;
    - desc = irq_to_desc(irq);
    - desc->handle_irq(irq, desc);
    + generic_handle_irq(ei->irq_start + irqpin);
    }
    }




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