irqchip: mips-gic: Remove platform irq_ack/irq_eoi callbacks

There's no need for platforms to have their own GIC irq_ack/irq_eoi
callbacks.  irq_ack need only clear the GIC's edge detector on
edge-triggered interrupts and there's no need at all for irq_eoi.
Also get rid of the mask_ack callback since it's not necessary either.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Qais Yousef <qais.yousef@imgtec.com>
Tested-by: Qais Yousef <qais.yousef@imgtec.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeffrey Deans <jeffrey.deans@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: John Crispin <blogic@openwrt.org>
Cc: David Daney <ddaney.cavm@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7809/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 582883069ef6..76658660ea4f 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -237,6 +237,13 @@ static void gic_unmask_irq(struct irq_data *d)
         GIC_SET_INTR_MASK(d->irq - gic_irq_base);
 }
 
+static void gic_ack_irq(struct irq_data *d)
+{
+        /* Clear edge detector */
+        if (gic_irq_flags[d->irq - gic_irq_base] & GIC_TRIG_EDGE)
+                GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), d->irq - gic_irq_base);
+}
+
 #ifdef CONFIG_SMP
 static DEFINE_SPINLOCK(gic_lock);
 
@@ -272,11 +279,9 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
 
 static struct irq_chip gic_irq_controller = {
         .name                   =       "MIPS GIC",
-        .irq_ack                =       gic_irq_ack,
+        .irq_ack                =       gic_ack_irq,
         .irq_mask               =       gic_mask_irq,
-        .irq_mask_ack           =       gic_mask_irq,
         .irq_unmask             =       gic_unmask_irq,
-        .irq_eoi                =       gic_finish_irq,
 #ifdef CONFIG_SMP
         .irq_set_affinity       =       gic_set_affinity,
 #endif