Skip to content

Commit

Permalink
ia64: Convert msi to new irq_chip functions
Browse files Browse the repository at this point in the history
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
  • Loading branch information
Thomas Gleixner committed Mar 29, 2011
1 parent 545c8d8 commit f1f701e
Showing 1 changed file with 22 additions and 19 deletions.
41 changes: 22 additions & 19 deletions arch/ia64/kernel/msi_ia64.c
Original file line number Diff line number Diff line change
Expand Up @@ -12,12 +12,13 @@
static struct irq_chip ia64_msi_chip;

#ifdef CONFIG_SMP
static int ia64_set_msi_irq_affinity(unsigned int irq,
const cpumask_t *cpu_mask)
static int ia64_set_msi_irq_affinity(struct irq_data *idata,
const cpumask_t *cpu_mask, bool force)
{
struct msi_msg msg;
u32 addr, data;
int cpu = first_cpu(*cpu_mask);
unsigned int irq = idata->irq;

if (!cpu_online(cpu))
return -1;
Expand All @@ -38,7 +39,7 @@ static int ia64_set_msi_irq_affinity(unsigned int irq,
msg.data = data;

write_msi_msg(irq, &msg);
cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
cpumask_copy(idata->affinity, cpumask_of(cpu));

return 0;
}
Expand Down Expand Up @@ -84,16 +85,16 @@ void ia64_teardown_msi_irq(unsigned int irq)
destroy_irq(irq);
}

static void ia64_ack_msi_irq(unsigned int irq)
static void ia64_ack_msi_irq(struct irq_data *data)
{
irq_complete_move(irq);
move_native_irq(irq);
irq_complete_move(data->irq);
move_native_irq(data->irq);
ia64_eoi();
}

static int ia64_msi_retrigger_irq(unsigned int irq)
static int ia64_msi_retrigger_irq(struct irq_data *data)
{
unsigned int vector = irq_to_vector(irq);
unsigned int vector = irq_to_vector(data->irq);
ia64_resend_irq(vector);

return 1;
Expand All @@ -103,14 +104,14 @@ static int ia64_msi_retrigger_irq(unsigned int irq)
* Generic ops used on most IA64 platforms.
*/
static struct irq_chip ia64_msi_chip = {
.name = "PCI-MSI",
.irq_mask = mask_msi_irq,
.irq_unmask = unmask_msi_irq,
.ack = ia64_ack_msi_irq,
.name = "PCI-MSI",
.irq_mask = mask_msi_irq,
.irq_unmask = unmask_msi_irq,
.irq_ack = ia64_ack_msi_irq,
#ifdef CONFIG_SMP
.set_affinity = ia64_set_msi_irq_affinity,
.irq_set_affinity = ia64_set_msi_irq_affinity,
#endif
.retrigger = ia64_msi_retrigger_irq,
.irq_retrigger = ia64_msi_retrigger_irq,
};


Expand All @@ -132,8 +133,10 @@ void arch_teardown_msi_irq(unsigned int irq)

#ifdef CONFIG_DMAR
#ifdef CONFIG_SMP
static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
static int dmar_msi_set_affinity(struct irq_data *data,
const struct cpumask *mask, bool force)
{
unsigned int irq = data->irq;
struct irq_cfg *cfg = irq_cfg + irq;
struct msi_msg msg;
int cpu = cpumask_first(mask);
Expand All @@ -152,7 +155,7 @@ static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));

dmar_msi_write(irq, &msg);
cpumask_copy(irq_desc[irq].affinity, mask);
cpumask_copy(data->affinity, mask);

return 0;
}
Expand All @@ -162,11 +165,11 @@ static struct irq_chip dmar_msi_type = {
.name = "DMAR_MSI",
.irq_unmask = dmar_msi_unmask,
.irq_mask = dmar_msi_mask,
.ack = ia64_ack_msi_irq,
.irq_ack = ia64_ack_msi_irq,
#ifdef CONFIG_SMP
.set_affinity = dmar_msi_set_affinity,
.irq_set_affinity = dmar_msi_set_affinity,
#endif
.retrigger = ia64_msi_retrigger_irq,
.irq_retrigger = ia64_msi_retrigger_irq,
};

static int
Expand Down

0 comments on commit f1f701e

Please sign in to comment.