diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-24 17:24:04 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-24 20:35:56 +0100 |
| commit | 62ec05d1ea2fe95ab03b55f717c045fd24c02354 (patch) | |
| tree | b7fab48ef037ea82dc66b06495a697c6a9354982 /arch/avr32 | |
| parent | db82817bcb278186cad04e263e2d5abb26a4f6fd (diff) | |
| download | lwn-62ec05d1ea2fe95ab03b55f717c045fd24c02354.tar.gz lwn-62ec05d1ea2fe95ab03b55f717c045fd24c02354.zip | |
avr32: Cleanup eic_set_irq_type()
No need to fiddle in irq_desc. The trigger mask can be written back
into irq_data. Return IRQ_SET_MASK_OK_NOCOPY, so the generic code wont
overwrite it again.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/mach-at32ap/extint.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index 23126aab82ab..47ba4b9b6db1 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -89,18 +89,14 @@ static void eic_unmask_irq(struct irq_chip *d) static int eic_set_irq_type(struct irq_chip *d, unsigned int flow_type) { struct eic *eic = irq_data_get_irq_chip_data(data); - struct irq_desc *desc; unsigned int irq = d->irq; unsigned int i = irq - eic->first_irq; u32 mode, edge, level; - int ret = 0; flow_type &= IRQ_TYPE_SENSE_MASK; if (flow_type == IRQ_TYPE_NONE) flow_type = IRQ_TYPE_LEVEL_LOW; - desc = irq_to_desc(irq); - mode = eic_readl(eic, MODE); edge = eic_readl(eic, EDGE); level = eic_readl(eic, LEVEL); @@ -123,25 +119,20 @@ static int eic_set_irq_type(struct irq_chip *d, unsigned int flow_type) edge &= ~(1 << i); break; default: - ret = -EINVAL; - break; + return -EINVAL; } - if (ret == 0) { - eic_writel(eic, MODE, mode); - eic_writel(eic, EDGE, edge); - eic_writel(eic, LEVEL, level); - - if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { - flow_type |= IRQ_LEVEL; - __irq_set_handler_locked(irq, handle_level_irq); - } else - __irq_set_handler_locked(irq, handle_edge_irq); - desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); - desc->status |= flow_type; - } + eic_writel(eic, MODE, mode); + eic_writel(eic, EDGE, edge); + eic_writel(eic, LEVEL, level); - return ret; + irqd_set_trigger_type(d, flow_type); + if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + __irq_set_handler_locked(irq, handle_level_irq); + else + __irq_set_handler_locked(irq, handle_edge_irq); + + return IRQ_SET_MASK_OK_NOCOPY; } static struct irq_chip eic_chip = { |