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authorLennert Buytenhek <buytenh@wantstofly.org>2010-12-14 12:54:03 +0100
committerNicolas Pitre <nico@fluxnic.net>2011-03-03 16:27:02 -0500
commit9eac6d0a4e7e5149a7f86575b46d710ad2e05fe2 (patch)
tree3f3eb4504f3221954a5adaae66e417d9a0883e71 /arch/arm/mach-dove/irq.c
parent4ee1f6b574765a6c97f945e6b0277e5ccac38cb5 (diff)
ARM: Remove dependency of plat-orion GPIO code on mach directory includes.
This patch makes the various mach dirs that use the plat-orion GPIO code pass in GPIO-related platform info (GPIO controller base address, secondary base IRQ number, etc) explicitly, instead of having plat-orion get those values by including a mach dir include file -- the latter mechanism is problematic if you want to support multiple ARM platforms in the same kernel image. Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/mach-dove/irq.c')
-rw-r--r--arch/arm/mach-dove/irq.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c
index 9317f0558b5..101707fa2e2 100644
--- a/arch/arm/mach-dove/irq.c
+++ b/arch/arm/mach-dove/irq.c
@@ -99,11 +99,21 @@ void __init dove_init_irq(void)
orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
/*
- * Mask and clear GPIO IRQ interrupts.
+ * Initialize gpiolib for GPIOs 0-71.
*/
- writel(0, GPIO_LEVEL_MASK(0));
- writel(0, GPIO_EDGE_MASK(0));
- writel(0, GPIO_EDGE_CAUSE(0));
+ orion_gpio_init(0, 32, DOVE_GPIO_LO_VIRT_BASE, 0,
+ IRQ_DOVE_GPIO_START);
+ set_irq_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler);
+
+ orion_gpio_init(32, 32, DOVE_GPIO_HI_VIRT_BASE, 0,
+ IRQ_DOVE_GPIO_START + 32);
+ set_irq_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler);
+
+ orion_gpio_init(64, 8, DOVE_GPIO2_VIRT_BASE, 0,
+ IRQ_DOVE_GPIO_START + 64);
/*
* Mask and clear PMU interrupts
@@ -111,18 +121,6 @@ void __init dove_init_irq(void)
writel(0, PMU_INTERRUPT_MASK);
writel(0, PMU_INTERRUPT_CAUSE);
- for (i = IRQ_DOVE_GPIO_START; i < IRQ_DOVE_PMU_START; i++) {
- set_irq_chip(i, &orion_gpio_irq_chip);
- set_irq_handler(i, handle_level_irq);
- irq_desc[i].status |= IRQ_LEVEL;
- set_irq_flags(i, IRQF_VALID);
- }
- set_irq_chained_handler(IRQ_DOVE_GPIO_0_7, gpio_irq_handler);
- set_irq_chained_handler(IRQ_DOVE_GPIO_8_15, gpio_irq_handler);
- set_irq_chained_handler(IRQ_DOVE_GPIO_16_23, gpio_irq_handler);
- set_irq_chained_handler(IRQ_DOVE_GPIO_24_31, gpio_irq_handler);
- set_irq_chained_handler(IRQ_DOVE_HIGH_GPIO, gpio_irq_handler);
-
for (i = IRQ_DOVE_PMU_START; i < NR_IRQS; i++) {
set_irq_chip(i, &pmu_irq_chip);
set_irq_handler(i, handle_level_irq);