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authorDavid Brownell <david-b@pacbell.net>2007-12-18 20:50:28 -0800
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2008-01-25 08:31:44 +0100
commite4f586f280bbfa05c68f99df2db981356ee30533 (patch)
treecfe3e267be1bea797ed881582d55fd5de443a8f3
parente7ba176b47db2ed53f258a6b4fe9d9fc6fa437a9 (diff)
[AVR32] extint: change set_irq_type() handling
Update the AVR32 EIC code to use the new __set_irq_handler_unlocked() call, getting rid of one more instance of this widespread problem. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
-rw-r--r--arch/avr32/mach-at32ap/extint.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index e108e7bba8c..81a4a02f5f4 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -130,8 +130,11 @@ static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
eic_writel(eic, EDGE, edge);
eic_writel(eic, LEVEL, level);
- if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+ if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) {
flow_type |= IRQ_LEVEL;
+ __set_irq_handler_unlocked(irq, handle_level_irq);
+ } else
+ __set_irq_handler_unlocked(irq, handle_edge_irq);
desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
desc->status |= flow_type;
}
@@ -151,9 +154,8 @@ static struct irq_chip eic_chip = {
static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
{
struct eic *eic = desc->handler_data;
- struct irq_desc *ext_desc;
unsigned long status, pending;
- unsigned int i, ext_irq;
+ unsigned int i;
status = eic_readl(eic, ISR);
pending = status & eic_readl(eic, IMR);
@@ -162,12 +164,7 @@ static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
i = fls(pending) - 1;
pending &= ~(1 << i);
- ext_irq = i + eic->first_irq;
- ext_desc = irq_desc + ext_irq;
- if (ext_desc->status & IRQ_LEVEL)
- handle_level_irq(ext_irq, ext_desc);
- else
- handle_edge_irq(ext_irq, ext_desc);
+ generic_handle_irq(i + eic->first_irq);
}
}
@@ -236,9 +233,8 @@ static int __init eic_probe(struct platform_device *pdev)
eic->chip = &eic_chip;
for (i = 0; i < nr_irqs; i++) {
- /* NOTE the handler we set here is ignored by the demux */
set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
- handle_level_irq);
+ handle_edge_irq);
set_irq_chip_data(eic->first_irq + i, eic);
}