irqchip: ingenic: Drop redundant irq_suspend / irq_resume functions

The same behaviour can be obtained by using the IRQCHIP_MASK_ON_SUSPEND
flag on the IRQ chip.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-2-git-send-email-zhouyanjie@zoho.com

diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c
index f126255..06fa810 100644 (file)
--- a/drivers/irqchip/irq-ingenic.c
+++ b/drivers/irqchip/irq-ingenic.c
@@ -10,7 +10,6 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/irqchip.h>
-#include <linux/irqchip/ingenic.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/timex.h>
@@ -50,26 +49,6 @@ static irqreturn_t intc_cascade(int irq, void *data)
        return IRQ_HANDLED;
 }
 
-static void intc_irq_set_mask(struct irq_chip_generic *gc, uint32_t mask)
-{
-       struct irq_chip_regs *regs = &gc->chip_types->regs;
-
-       writel(mask, gc->reg_base + regs->enable);
-       writel(~mask, gc->reg_base + regs->disable);
-}
-
-void ingenic_intc_irq_suspend(struct irq_data *data)
-{
-       struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
-       intc_irq_set_mask(gc, gc->wake_active);
-}
-
-void ingenic_intc_irq_resume(struct irq_data *data)
-{
-       struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
-       intc_irq_set_mask(gc, gc->mask_cache);
-}
-
 static struct irqaction intc_cascade_action = {
        .handler = intc_cascade,
        .name = "SoC intc cascade interrupt",
@@ -127,8 +106,7 @@ static int __init ingenic_intc_of_init(struct device_node *node,
                ct->chip.irq_mask = irq_gc_mask_disable_reg;
                ct->chip.irq_mask_ack = irq_gc_mask_disable_reg;
                ct->chip.irq_set_wake = irq_gc_set_wake;
-               ct->chip.irq_suspend = ingenic_intc_irq_suspend;
-               ct->chip.irq_resume = ingenic_intc_irq_resume;
+               ct->chip.flags = IRQCHIP_MASK_ON_SUSPEND;
 
                irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0,
                                       IRQ_NOPROBE | IRQ_LEVEL);

diff --git a/include/linux/irqchip/ingenic.h b/include/linux/irqchip/ingenic.h
deleted file mode 100644 (file)
index 1465588..0000000
--- a/include/linux/irqchip/ingenic.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- */
-
-#ifndef __LINUX_IRQCHIP_INGENIC_H__
-#define __LINUX_IRQCHIP_INGENIC_H__
-
-#include <linux/irq.h>
-
-extern void ingenic_intc_irq_suspend(struct irq_data *data);
-extern void ingenic_intc_irq_resume(struct irq_data *data);
-
-#endif