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pinctrl/coh901: use irqdomain, allocate irqdescs

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This switches the COH 901 pinctrl driver to allocate its GPIO
IRQs dynamically, and start to use a linear irqdomain to map
from the hardware IRQs.

This way we can cut away the complex allocation of IRQ numbers
from the <mach/irqs.h> file.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2012-10-17 18:31:20 +02:00
parent d4a31ee899
commit a6c45b99a6
4 changed files with 46 additions and 27 deletions
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2
include/linux/platform_data/pinctrl-coh901.h
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@ -13,13 +13,11 @@
* struct u300_gpio_platform - U300 GPIO platform data
* @ports: number of GPIO block ports
* @gpio_base: first GPIO number for this block (use a free range)
* @gpio_irq_base: first GPIO IRQ number for this block (use a free range)
* @pinctrl_device: pin control device to spawn as child
*/
struct u300_gpio_platform {
u8 ports;
int gpio_base;
int gpio_irq_base;
struct platform_device *pinctrl_device;
};