diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-10-11 21:32:16 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-10-16 11:59:52 +0400 |
| commit | b551b023bdeb28fe81ab522b25e89f85c6418198 (patch) | |
| tree | a9eac1671a3cd3286d1fca79c696c7834fd72910 /drivers/gpio/gpio-lynxpoint.c | |
| parent | ba519dd46c46fb923b531ef833aac074cb0114b3 (diff) | |
| download | linux-b551b023bdeb28fe81ab522b25e89f85c6418198.tar.xz | |
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>
Diffstat (limited to 'drivers/gpio/gpio-lynxpoint.c')
| -rw-r--r-- | drivers/gpio/gpio-lynxpoint.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c index 2d9ca6055e5e..21603e6aceaf 100644 --- a/drivers/gpio/gpio-lynxpoint.c +++ b/drivers/gpio/gpio-lynxpoint.c @@ -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; } |