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ARM: nmk: update GPIO chained IRQ handler to entry/exit functions 

This patch updates the Nomadik gpio chained IRQ handler to use the
chained IRQ enter/exit functions in order to function correctly on
primary controllers with different methods of flow control.

Cc: Rabin Vincent <rabin@rab.in>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2011-02-28 10:12:29 +00:00
parent 03dd765fe4
commit adfed159ab
1 changed files with 4 additions and 8 deletions
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12
arch/arm/plat-nomadik/gpio.c
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@ -23,6 +23,8 @@
#include <linux/irq.h>
#include <linux/slab.h>
#include <asm/mach/irq.h>
#include <plat/pincfg.h>
#include <mach/hardware.h>
#include <mach/gpio.h>
@ -681,13 +683,7 @@ static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc,
struct irq_chip *host_chip = irq_get_chip(irq);
unsigned int first_irq;
if (host_chip->irq_mask_ack)
host_chip->irq_mask_ack(&desc->irq_data);
else {
host_chip->irq_mask(&desc->irq_data);
if (host_chip->irq_ack)
host_chip->irq_ack(&desc->irq_data);
}
chained_irq_enter(host_chip, desc);
nmk_chip = irq_get_handler_data(irq);
first_irq = NOMADIK_GPIO_TO_IRQ(nmk_chip->chip.base);
@ -698,7 +694,7 @@ static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc,
status &= ~BIT(bit);
}
host_chip->irq_unmask(&desc->irq_data);
chained_irq_exit(host_chip, desc);
}
static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)