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MIPS: i8259: Convert to new irq_chip functions

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2185/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thomas Gleixner
2011-03-23 21:08:57 +00:00
committed by Ralf Baechle
parent 9fcecaf02d
commit 7c8d948f16
3 changed files with 24 additions and 26 deletions
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37
arch/mips/kernel/i8259.c
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@@ -31,19 +31,19 @@
static int i8259A_auto_eoi = -1;
DEFINE_RAW_SPINLOCK(i8259A_lock);
static void disable_8259A_irq(unsigned int irq);
static void enable_8259A_irq(unsigned int irq);
static void mask_and_ack_8259A(unsigned int irq);
static void disable_8259A_irq(struct irq_data *d);
static void enable_8259A_irq(struct irq_data *d);
static void mask_and_ack_8259A(struct irq_data *d);
static void init_8259A(int auto_eoi);
static struct irq_chip i8259A_chip = {
.name = "XT-PIC",
.mask = disable_8259A_irq,
.disable = disable_8259A_irq,
.unmask = enable_8259A_irq,
.mask_ack = mask_and_ack_8259A,
.name = "XT-PIC",
.irq_mask = disable_8259A_irq,
.irq_disable = disable_8259A_irq,
.irq_unmask = enable_8259A_irq,
.irq_mask_ack = mask_and_ack_8259A,
#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
.set_affinity = plat_set_irq_affinity,
.irq_set_affinity = plat_set_irq_affinity,
#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
};
@@ -59,12 +59,11 @@ static unsigned int cached_irq_mask = 0xffff;
#define cached_master_mask (cached_irq_mask)
#define cached_slave_mask (cached_irq_mask >> 8)
static void disable_8259A_irq(unsigned int irq)
static void disable_8259A_irq(struct irq_data *d)
{
unsigned int mask;
unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
unsigned long flags;
irq -= I8259A_IRQ_BASE;
mask = 1 << irq;
raw_spin_lock_irqsave(&i8259A_lock, flags);
cached_irq_mask |= mask;
@@ -75,12 +74,11 @@ static void disable_8259A_irq(unsigned int irq)
raw_spin_unlock_irqrestore(&i8259A_lock, flags);
}
static void enable_8259A_irq(unsigned int irq)
static void enable_8259A_irq(struct irq_data *d)
{
unsigned int mask;
unsigned int mask, irq = d->irq - I8259A_IRQ_BASE;
unsigned long flags;
irq -= I8259A_IRQ_BASE;
mask = ~(1 << irq);
raw_spin_lock_irqsave(&i8259A_lock, flags);
cached_irq_mask &= mask;
@@ -145,12 +143,11 @@ static inline int i8259A_irq_real(unsigned int irq)
* first, _then_ send the EOI, and the order of EOI
* to the two 8259s is important!
*/
static void mask_and_ack_8259A(unsigned int irq)
static void mask_and_ack_8259A(struct irq_data *d)
{
unsigned int irqmask;
unsigned int irqmask, irq = d->irq - I8259A_IRQ_BASE;
unsigned long flags;
irq -= I8259A_IRQ_BASE;
irqmask = 1 << irq;
raw_spin_lock_irqsave(&i8259A_lock, flags);
/*
@@ -290,9 +287,9 @@ static void init_8259A(int auto_eoi)
* In AEOI mode we just have to mask the interrupt
* when acking.
*/
i8259A_chip.mask_ack = disable_8259A_irq;
i8259A_chip.irq_mask_ack = disable_8259A_irq;
else
i8259A_chip.mask_ack = mask_and_ack_8259A;
i8259A_chip.irq_mask_ack = mask_and_ack_8259A;
udelay(100); /* wait for 8259A to initialize */