diff options
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index cca6cb3ccda..6d9de026e14 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -165,19 +165,17 @@ static void write_msi_msg(struct msi_desc *entry, struct msi_msg *msg) } #ifdef CONFIG_SMP -static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask) +static void set_msi_affinity(unsigned int irq, cpumask_t cpu_mask) { struct msi_desc *entry; struct msi_msg msg; - unsigned int irq = vector; - unsigned int dest_cpu = first_cpu(cpu_mask); - entry = (struct msi_desc *)msi_desc[vector]; + entry = msi_desc[irq]; if (!entry || !entry->dev) return; read_msi_msg(entry, &msg); - msi_ops->target(vector, dest_cpu, &msg.address_hi, &msg.address_lo); + msi_ops->target(irq, cpu_mask, &msg); write_msi_msg(entry, &msg); set_native_irq_info(irq, cpu_mask); } @@ -701,14 +699,14 @@ static int msi_register_init(struct pci_dev *dev, struct msi_desc *entry) { int status; struct msi_msg msg; - int pos, vector = dev->irq; + int pos; u16 control; pos = entry->msi_attrib.pos; pci_read_config_word(dev, msi_control_reg(pos), &control); /* Configure MSI capability structure */ - status = msi_ops->setup(dev, vector, &msg.address_hi, &msg.address_lo, &msg.data); + status = msi_ops->setup(dev, dev->irq, &msg); if (status < 0) return status; @@ -863,10 +861,7 @@ static int msix_capability_init(struct pci_dev *dev, /* Replace with MSI-X handler */ irq_handler_init(PCI_CAP_ID_MSIX, vector, 1); /* Configure MSI-X capability structure */ - status = msi_ops->setup(dev, vector, - &msg.address_hi, - &msg.address_lo, - &msg.data); + status = msi_ops->setup(dev, vector, &msg); if (status < 0) break; @@ -928,6 +923,7 @@ int pci_msi_supported(struct pci_dev * dev) int pci_enable_msi(struct pci_dev* dev) { int pos, temp, status; + u16 control; if (pci_msi_supported(dev) < 0) return -EINVAL; @@ -942,6 +938,10 @@ int pci_enable_msi(struct pci_dev* dev) if (!pos) return -EINVAL; + pci_read_config_word(dev, msi_control_reg(pos), &control); + if (!is_64bit_address(control) && msi_ops->needs_64bit_address) + return -EINVAL; + WARN_ON(!msi_lookup_vector(dev, PCI_CAP_ID_MSI)); /* Check whether driver already requested for MSI-X vectors */ |