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path: root/drivers/pci/msi.c
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Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 2b85aa39f95..ee8677bda95 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -91,6 +91,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
{
struct msi_desc *entry;
struct msg_address address;
+ unsigned int irq = vector;
entry = (struct msi_desc *)msi_desc[vector];
if (!entry || !entry->dev)
@@ -112,6 +113,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask);
pci_write_config_dword(entry->dev, msi_lower_address_reg(pos),
address.lo_address.value);
+ set_native_irq_info(irq, cpu_mask);
break;
}
case PCI_CAP_ID_MSIX:
@@ -125,22 +127,13 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
MSI_TARGET_CPU_SHIFT);
entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask);
writel(address.lo_address.value, entry->mask_base + offset);
+ set_native_irq_info(irq, cpu_mask);
break;
}
default:
break;
}
}
-
-#ifdef CONFIG_IRQBALANCE
-static inline void move_msi(int vector)
-{
- if (!cpus_empty(pending_irq_balance_cpumask[vector])) {
- set_msi_affinity(vector, pending_irq_balance_cpumask[vector]);
- cpus_clear(pending_irq_balance_cpumask[vector]);
- }
-}
-#endif /* CONFIG_IRQBALANCE */
#endif /* CONFIG_SMP */
static void mask_MSI_irq(unsigned int vector)
@@ -191,13 +184,13 @@ static void shutdown_msi_irq(unsigned int vector)
static void end_msi_irq_wo_maskbit(unsigned int vector)
{
- move_msi(vector);
+ move_native_irq(vector);
ack_APIC_irq();
}
static void end_msi_irq_w_maskbit(unsigned int vector)
{
- move_msi(vector);
+ move_native_irq(vector);
unmask_MSI_irq(vector);
ack_APIC_irq();
}
@@ -446,10 +439,7 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
}
if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
/* PCI Express Endpoint device detected */
- u16 cmd;
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- cmd |= PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(dev, PCI_COMMAND, cmd);
+ pci_intx(dev, 0); /* disable intx */
}
}
@@ -468,10 +458,7 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type)
}
if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
/* PCI Express Endpoint device detected */
- u16 cmd;
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- cmd &= ~PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(dev, PCI_COMMAND, cmd);
+ pci_intx(dev, 1); /* enable intx */
}
}