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gpio: lynxpoint: drop references to "virtual" IRQ 

Rename the argument "virq" to just "irq", this IRQ isn't any
more "virtual" than any other Linux IRQ number, we use "hwirq"
for the actual hw-numbers, "virq" is just bogus. Take this
opportunity to sink a variable into a loop.

Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-10-11 19:32:16 +02:00
parent ba519dd46c
commit b551b023bd
1 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/gpio/gpio-lynxpoint.c
View File

@ -242,26 +242,27 @@ static int lp_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
return irq_create_mapping(lg->domain, offset);
}
static void lp_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
static void lp_gpio_irq_handler(unsigned hwirq, struct irq_desc *desc)
{
struct irq_data *data = irq_desc_get_irq_data(desc);
struct lp_gpio *lg = irq_data_get_irq_handler_data(data);
struct irq_chip *chip = irq_data_get_irq_chip(data);
u32 base, pin, mask;
unsigned long reg, pending;
unsigned virq;
/* check from GPIO controller which pin triggered the interrupt */
for (base = 0; base < lg->chip.ngpio; base += 32) {
reg = lp_gpio_reg(&lg->chip, base, LP_INT_STAT);
while ((pending = inl(reg))) {
unsigned irq;
pin = __ffs(pending);
mask = BIT(pin);
/* Clear before handling so we don't lose an edge */
outl(mask, reg);
virq = irq_find_mapping(lg->domain, base + pin);
generic_handle_irq(virq);
irq = irq_find_mapping(lg->domain, base + pin);
generic_handle_irq(irq);
}
}
chip->irq_eoi(data);
@ -324,15 +325,15 @@ static void lp_gpio_irq_init_hw(struct lp_gpio *lg)
}
}
static int lp_gpio_irq_map(struct irq_domain *d, unsigned int virq,
irq_hw_number_t hw)
static int lp_gpio_irq_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq)
{
struct lp_gpio *lg = d->host_data;
irq_set_chip_and_handler_name(virq, &lp_irqchip, handle_simple_irq,
irq_set_chip_and_handler_name(irq, &lp_irqchip, handle_simple_irq,
"demux");
irq_set_chip_data(virq, lg);
irq_set_irq_type(virq, IRQ_TYPE_NONE);
irq_set_chip_data(irq, lg);
irq_set_irq_type(irq, IRQ_TYPE_NONE);
return 0;
}