Merge remote-tracking branches 'asoc/topic/sh', 'asoc/topic/sigmadsp', 'asoc/topic...

[firefly-linux-kernel-4.4.55.git] / arch / arm / plat-orion / gpio.c

diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index b61a3bcc2fa83bb028933edc80d934e5d1222386..e048f6198d68d69449c642c71e45db6022b4e4e9 100644 (file)
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -497,6 +497,34 @@ static void orion_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 #define orion_gpio_dbg_show NULL
 #endif
 
+static void orion_gpio_unmask_irq(struct irq_data *d)
+{
+       struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+       struct irq_chip_type *ct = irq_data_get_chip_type(d);
+       u32 reg_val;
+       u32 mask = d->mask;
+
+       irq_gc_lock(gc);
+       reg_val = irq_reg_readl(gc->reg_base + ct->regs.mask);
+       reg_val |= mask;
+       irq_reg_writel(reg_val, gc->reg_base + ct->regs.mask);
+       irq_gc_unlock(gc);
+}
+
+static void orion_gpio_mask_irq(struct irq_data *d)
+{
+       struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+       struct irq_chip_type *ct = irq_data_get_chip_type(d);
+       u32 mask = d->mask;
+       u32 reg_val;
+
+       irq_gc_lock(gc);
+       reg_val = irq_reg_readl(gc->reg_base + ct->regs.mask);
+       reg_val &= ~mask;
+       irq_reg_writel(reg_val, gc->reg_base + ct->regs.mask);
+       irq_gc_unlock(gc);
+}
+
 void __init orion_gpio_init(struct device_node *np,
                            int gpio_base, int ngpio,
                            void __iomem *base, int mask_offset,
@@ -565,8 +593,8 @@ void __init orion_gpio_init(struct device_node *np,
        ct = gc->chip_types;
        ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF;
        ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW;
-       ct->chip.irq_mask = irq_gc_mask_clr_bit;
-       ct->chip.irq_unmask = irq_gc_mask_set_bit;
+       ct->chip.irq_mask = orion_gpio_mask_irq;
+       ct->chip.irq_unmask = orion_gpio_unmask_irq;
        ct->chip.irq_set_type = gpio_irq_set_type;
        ct->chip.name = ochip->chip.label;
 
@@ -575,8 +603,8 @@ void __init orion_gpio_init(struct device_node *np,
        ct->regs.ack = GPIO_EDGE_CAUSE_OFF;
        ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
        ct->chip.irq_ack = irq_gc_ack_clr_bit;
-       ct->chip.irq_mask = irq_gc_mask_clr_bit;
-       ct->chip.irq_unmask = irq_gc_mask_set_bit;
+       ct->chip.irq_mask = orion_gpio_mask_irq;
+       ct->chip.irq_unmask = orion_gpio_unmask_irq;
        ct->chip.irq_set_type = gpio_irq_set_type;
        ct->handler = handle_edge_irq;
        ct->chip.name = ochip->chip.label;