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gpio: davinci: coding style correction

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Make some minor coding style fixes. Use proper multi-line
commenting style, and use a macro for register offset.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
[nsekhar@ti.com: drop changes which are considered
		 unnecessary churn - line break fixes
		 variable name changes and include file
		 reordering]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Philip Avinash 2013-08-18 10:48:57 +05:30 committed by Sekhar Nori
parent 4a10c2ac2f
commit 131a10a395
1 changed files with 9 additions and 4 deletions
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13
drivers/gpio/gpio-davinci.c
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@ -31,6 +31,8 @@ struct davinci_gpio_regs {
u32 intstat;
};
#define BINTEN 0x8 /* GPIO Interrupt Per-Bank Enable Register */
#define chip2controller(chip) \
container_of(chip, struct davinci_gpio_controller, chip)
@ -304,7 +306,8 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
/* NOTE: we assume for now that only irqs in the first gpio_chip
/*
* NOTE: we assume for now that only irqs in the first gpio_chip
* can provide direct-mapped IRQs to AINTC (up to 32 GPIOs).
*/
if (offset < soc_info->gpio_unbanked)
@ -368,7 +371,8 @@ static int __init davinci_gpio_irq_setup(void)
}
clk_prepare_enable(clk);
/* Arrange gpio_to_irq() support, handling either direct IRQs or
/*
* Arrange gpio_to_irq() support, handling either direct IRQs or
* banked IRQs. Having GPIOs in the first GPIO bank use direct
* IRQs, while the others use banked IRQs, would need some setup
* tweaks to recognize hardware which can do that.
@ -450,10 +454,11 @@ static int __init davinci_gpio_irq_setup(void)
}
done:
/* BINTEN -- per-bank interrupt enable. genirq would also let these
/*
* BINTEN -- per-bank interrupt enable. genirq would also let these
* bits be set/cleared dynamically.
*/
__raw_writel(binten, gpio_base + 0x08);
__raw_writel(binten, gpio_base + BINTEN);
printk(KERN_INFO "DaVinci: %d gpio irqs\n", irq - gpio_to_irq(0));