diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/gpio.c')
-rw-r--r-- | arch/arm/mach-ep93xx/gpio.c | 78 |
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, \ }, \ |