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path: root/arch/ia64/sn/kernel/msi_sn.c
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Diffstat (limited to 'arch/ia64/sn/kernel/msi_sn.c')
-rw-r--r--arch/ia64/sn/kernel/msi_sn.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c
index b3a435fd70f..ea3dc38d73f 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -59,13 +59,12 @@ void sn_teardown_msi_irq(unsigned int irq)
sn_intr_free(nasid, widget, sn_irq_info);
sn_msi_info[irq].sn_irq_info = NULL;
- return;
+ destroy_irq(irq);
}
-int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
+int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry)
{
struct msi_msg msg;
- struct msi_desc *entry;
int widget;
int status;
nasid_t nasid;
@@ -73,8 +72,8 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
struct sn_irq_info *sn_irq_info;
struct pcibus_bussoft *bussoft = SN_PCIDEV_BUSSOFT(pdev);
struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
+ int irq;
- entry = get_irq_data(irq);
if (!entry->msi_attrib.is_64)
return -EINVAL;
@@ -84,6 +83,11 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
if (provider == NULL || provider->dma_map_consistent == NULL)
return -EINVAL;
+ irq = create_irq();
+ if (irq < 0)
+ return irq;
+
+ set_irq_msi(irq, entry);
/*
* Set up the vector plumbing. Let the prom (via sn_intr_alloc)
* decide which cpu to direct this msi at by default.
@@ -95,12 +99,15 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
SWIN_WIDGETNUM(bussoft->bs_base);
sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
- if (! sn_irq_info)
+ if (! sn_irq_info) {
+ destroy_irq(irq);
return -ENOMEM;
+ }
status = sn_intr_alloc(nasid, widget, sn_irq_info, irq, -1, -1);
if (status) {
kfree(sn_irq_info);
+ destroy_irq(irq);
return -ENOMEM;
}
@@ -121,6 +128,7 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
if (! bus_addr) {
sn_intr_free(nasid, widget, sn_irq_info);
kfree(sn_irq_info);
+ destroy_irq(irq);
return -ENOMEM;
}
@@ -139,7 +147,7 @@ int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
write_msi_msg(irq, &msg);
set_irq_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq);
- return 0;
+ return irq;
}
#ifdef CONFIG_SMP