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authorWill Deacon <will.deacon@arm.com>2011-02-28 11:12:29 +0100
committerWill Deacon <will.deacon@arm.com>2011-05-11 17:04:15 +0200
commitadfed159ab71bff53ccac3013776580bc866d2ba (patch)
treee822c9aad821335a7363df446e3c99a8c66503df /arch/arm/plat-nomadik/gpio.c
parentARM: msm: update GPIO chained IRQ handler to use entry/exit functions (diff)
downloadlinux-adfed159ab71bff53ccac3013776580bc866d2ba.tar.xz
linux-adfed159ab71bff53ccac3013776580bc866d2ba.zip
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>
Diffstat (limited to 'arch/arm/plat-nomadik/gpio.c')
-rw-r--r--arch/arm/plat-nomadik/gpio.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/arm/plat-nomadik/gpio.c b/arch/arm/plat-nomadik/gpio.c
index f49748eca1a3..307b8131aa8c 100644
--- a/arch/arm/plat-nomadik/gpio.c
+++ b/arch/arm/plat-nomadik/gpio.c
@@ -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)