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Diffstat (limited to 'arch/arm/mach-ep93xx/gpio.c')
-rw-r--r--arch/arm/mach-ep93xx/gpio.c78
1 files changed, 31 insertions, 47 deletions
diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c
index 34e071d7976..415dce37b88 100644
--- a/arch/arm/mach-ep93xx/gpio.c
+++ b/arch/arm/mach-ep93xx/gpio.c
@@ -101,7 +101,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc)
{
/*
- * map discontiguous hw irq range to continous sw irq range:
+ * map discontiguous hw irq range to continuous sw irq range:
*
* IRQ_EP93XX_GPIO{0..7}MUX -> gpio_to_irq(EP93XX_GPIO_LINE_F({0..7})
*/
@@ -117,7 +117,7 @@ static void ep93xx_gpio_irq_ack(struct irq_data *d)
int port = line >> 3;
int port_mask = 1 << (line & 7);
- if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
+ if (irqd_get_trigger_type(d) == IRQ_TYPE_EDGE_BOTH) {
gpio_int_type2[port] ^= port_mask; /* switch edge direction */
ep93xx_gpio_update_int_params(port);
}
@@ -131,7 +131,7 @@ static void ep93xx_gpio_irq_mask_ack(struct irq_data *d)
int port = line >> 3;
int port_mask = 1 << (line & 7);
- if ((irq_desc[d->irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
+ if (irqd_get_trigger_type(d) == IRQ_TYPE_EDGE_BOTH)
gpio_int_type2[port] ^= port_mask; /* switch edge direction */
gpio_int_unmasked[port] &= ~port_mask;
@@ -165,10 +165,10 @@ static void ep93xx_gpio_irq_unmask(struct irq_data *d)
*/
static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
{
- struct irq_desc *desc = irq_desc + d->irq;
const int gpio = irq_to_gpio(d->irq);
const int port = gpio >> 3;
const int port_mask = 1 << (gpio & 7);
+ irq_flow_handler_t handler;
gpio_direction_input(gpio);
@@ -176,22 +176,22 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
case IRQ_TYPE_EDGE_RISING:
gpio_int_type1[port] |= port_mask;
gpio_int_type2[port] |= port_mask;
- desc->handle_irq = handle_edge_irq;
+ handler = handle_edge_irq;
break;
case IRQ_TYPE_EDGE_FALLING:
gpio_int_type1[port] |= port_mask;
gpio_int_type2[port] &= ~port_mask;
- desc->handle_irq = handle_edge_irq;
+ handler = handle_edge_irq;
break;
case IRQ_TYPE_LEVEL_HIGH:
gpio_int_type1[port] &= ~port_mask;
gpio_int_type2[port] |= port_mask;
- desc->handle_irq = handle_level_irq;
+ handler = handle_level_irq;
break;
case IRQ_TYPE_LEVEL_LOW:
gpio_int_type1[port] &= ~port_mask;
gpio_int_type2[port] &= ~port_mask;
- desc->handle_irq = handle_level_irq;
+ handler = handle_level_irq;
break;
case IRQ_TYPE_EDGE_BOTH:
gpio_int_type1[port] |= port_mask;
@@ -200,17 +200,16 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
gpio_int_type2[port] &= ~port_mask; /* falling */
else
gpio_int_type2[port] |= port_mask; /* rising */
- desc->handle_irq = handle_edge_irq;
+ handler = handle_edge_irq;
break;
default:
pr_err("failed to set irq type %d for gpio %d\n", type, gpio);
return -EINVAL;
}
- gpio_int_enabled[port] |= port_mask;
+ __irq_set_handler_locked(d->irq, handler);
- desc->status &= ~IRQ_TYPE_SENSE_MASK;
- desc->status |= type & IRQ_TYPE_SENSE_MASK;
+ gpio_int_enabled[port] |= port_mask;
ep93xx_gpio_update_int_params(port);
@@ -232,20 +231,29 @@ void __init ep93xx_gpio_init_irq(void)
for (gpio_irq = gpio_to_irq(0);
gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) {
- set_irq_chip(gpio_irq, &ep93xx_gpio_irq_chip);
- set_irq_handler(gpio_irq, handle_level_irq);
+ irq_set_chip_and_handler(gpio_irq, &ep93xx_gpio_irq_chip,
+ handle_level_irq);
set_irq_flags(gpio_irq, IRQF_VALID);
}
- set_irq_chained_handler(IRQ_EP93XX_GPIO_AB, ep93xx_gpio_ab_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO0MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO1MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO2MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO3MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO4MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO5MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO6MUX, ep93xx_gpio_f_irq_handler);
- set_irq_chained_handler(IRQ_EP93XX_GPIO7MUX, ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO_AB,
+ ep93xx_gpio_ab_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO0MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO1MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO2MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO3MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO4MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO5MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO6MUX,
+ ep93xx_gpio_f_irq_handler);
+ irq_set_chained_handler(IRQ_EP93XX_GPIO7MUX,
+ ep93xx_gpio_f_irq_handler);
}
@@ -348,29 +356,6 @@ static int ep93xx_gpio_set_debounce(struct gpio_chip *chip,
return 0;
}
-static void ep93xx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
-{
- struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip);
- u8 data_reg, data_dir_reg;
- int gpio, i;
-
- data_reg = __raw_readb(ep93xx_chip->data_reg);
- data_dir_reg = __raw_readb(ep93xx_chip->data_dir_reg);
-
- gpio = ep93xx_chip->chip.base;
- for (i = 0; i < chip->ngpio; i++, gpio++) {
- int is_out = data_dir_reg & (1 << i);
- int irq = gpio_to_irq(gpio);
-
- seq_printf(s, " %s%d gpio-%-3d (%-12s) %s %s %s\n",
- chip->label, i, gpio,
- gpiochip_is_requested(chip, i) ? : "",
- is_out ? "out" : "in ",
- (data_reg & (1<< i)) ? "hi" : "lo",
- (!is_out && irq>= 0) ? "(interrupt)" : "");
- }
-}
-
#define EP93XX_GPIO_BANK(name, dr, ddr, base_gpio) \
{ \
.chip = { \
@@ -379,7 +364,6 @@ static void ep93xx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
.direction_output = ep93xx_gpio_direction_output, \
.get = ep93xx_gpio_get, \
.set = ep93xx_gpio_set, \
- .dbg_show = ep93xx_gpio_dbg_show, \
.base = base_gpio, \
.ngpio = 8, \
}, \