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MIPS: i8259: Convert to new irq_chip functions 

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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4
arch/mips/include/asm/irq.h
View File

@ -55,8 +55,8 @@ static inline void smtc_im_ack_irq(unsigned int irq)
#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
#include <linux/cpumask.h>
extern int plat_set_irq_affinity(unsigned int irq,
const struct cpumask *affinity);
extern int plat_set_irq_affinity(struct irq_data *d,
const struct cpumask *affinity, bool force);
extern void smtc_forward_irq(unsigned int irq);
/*

37
arch/mips/kernel/i8259.c
View File

@ -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 */

9
arch/mips/mti-malta/malta-smtc.c
View File

@ -113,7 +113,8 @@ struct plat_smp_ops msmtc_smp_ops = {
*/
int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
int plat_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity,
bool force)
{
cpumask_t tmask;
int cpu = 0;
@ -143,7 +144,7 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
if ((cpu_data[cpu].vpe_id != 0) || !cpu_online(cpu))
cpu_clear(cpu, tmask);
}
cpumask_copy(irq_desc[irq].affinity, &tmask);
cpumask_copy(d->affinity, &tmask);
if (cpus_empty(tmask))
/*
@ -154,8 +155,8 @@ int plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
"IRQ affinity leaves no legal CPU for IRQ %d\n", irq);
/* Do any generic SMTC IRQ affinity setup */
smtc_set_irq_affinity(irq, tmask);
smtc_set_irq_affinity(d->irq, tmask);
return 0;
return IRQ_SET_MASK_OK_NOCOPY;
}
#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */