mfd: asic3: Cleanup irq handling

Remove the open coded access to irq_desc and use the proper wrappers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 0241f08..652bde5 100644 (file)
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -139,13 +139,12 @@ static void asic3_irq_flip_edge(struct asic3 *asic,
 
 static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
+       struct asic3 *asic = irq_desc_get_handler_data(desc);
+       struct irq_data *data = irq_desc_get_irq_data(desc);
        int iter, i;
        unsigned long flags;
-       struct asic3 *asic;
-
-       desc->irq_data.chip->irq_ack(&desc->irq_data);
 
-       asic = get_irq_data(irq);
+       data->chip->irq_ack(irq_data);
 
        for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) {
                u32 status;
@@ -188,8 +187,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
                                        irqnr = asic->irq_base +
                                                (ASIC3_GPIOS_PER_BANK * bank)
                                                + i;
-                                       desc = irq_to_desc(irqnr);
-                                       desc->handle_irq(irqnr, desc);
+                                       generic_handle_irq(irqnr);
                                        if (asic->irq_bothedge[bank] & bit)
                                                asic3_irq_flip_edge(asic, base,
                                                                    bit);
@@ -200,11 +198,8 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
                /* Handle remaining IRQs in the status register */
                for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
                        /* They start at bit 4 and go up */
-                       if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
-                               desc = irq_to_desc(asic->irq_base + i);
-                               desc->handle_irq(asic->irq_base + i,
-                                                desc);
-                       }
+                       if (status & (1 << (i - ASIC3_NUM_GPIOS + 4)))
+                               generic_handle_irq(asic->irq_base + i);
                }
        }