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parisc: convert cpu_check_affinity to new cpumask api 

cpumask arg to the affinity function is now const, sort
that out through the irq_desc implementations.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
hifive-unleashed-5.1
Kyle McMartin 2009-02-16 03:20:54 -05:00 committed by Kyle McMartin
parent 9dfe914da8
commit 8b6649c575
3 changed files with 13 additions and 8 deletions
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2
arch/parisc/include/asm/irq.h
View File

@ -49,7 +49,7 @@ extern unsigned long txn_alloc_addr(unsigned int);
extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
extern int cpu_check_affinity(unsigned int irq, cpumask_t *dest);
extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest);
/* soft power switch support (power.c) */
extern struct tasklet_struct power_tasklet;

12
arch/parisc/kernel/irq.c
View File

@ -112,7 +112,7 @@ void cpu_end_irq(unsigned int irq)
}
#ifdef CONFIG_SMP
int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
{
int cpu_dest;
@ -126,17 +126,19 @@ int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
/* whatever mask they set, we just allow one CPU */
cpu_dest = first_cpu(*dest);
*dest = cpumask_of_cpu(cpu_dest);
return 0;
return cpu_dest;
}
static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
{
if (cpu_check_affinity(irq, dest))
int cpu_dest;
cpu_dest = cpu_check_affinity(irq, dest);
if (cpu_dest < 0)
return;
cpumask_copy(&irq_desc[irq].affinity, dest);
cpumask_copy(&irq_desc[irq].affinity, &cpumask_of_cpu(cpu_dest));
}
#endif

7
drivers/parisc/iosapic.c
View File

@ -708,11 +708,14 @@ static void iosapic_set_affinity_irq(unsigned int irq,
struct vector_info *vi = iosapic_get_vector(irq);
u32 d0, d1, dummy_d0;
unsigned long flags;
int dest_cpu;
if (cpu_check_affinity(irq, dest))
dest_cpu = cpu_check_affinity(irq, dest);
if (dest_cpu < 0)
return;
vi->txn_addr = txn_affinity_addr(irq, cpumask_first(dest));
irq_desc[irq].affinity = cpumask_of_cpu(dest_cpu);
vi->txn_addr = txn_affinity_addr(irq, dest_cpu);
spin_lock_irqsave(&iosapic_lock, flags);
/* d1 contains the destination CPU, so only want to set that