diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/axon_msi.c')
-rw-r--r-- | arch/powerpc/platforms/cell/axon_msi.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 4c9ab5b70ba..1245b2f517b 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -64,13 +64,11 @@ struct axon_msic { - struct device_node *dn; struct irq_host *irq_host; __le32 *fifo; dcr_host_t dcr_host; struct list_head list; u32 read_offset; - u32 dcr_base; }; static LIST_HEAD(axon_msic_list); @@ -79,12 +77,12 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) { pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n); - dcr_write(msic->dcr_host, msic->dcr_base + dcr_n, val); + dcr_write(msic->dcr_host, msic->dcr_host.base + dcr_n, val); } static u32 msic_dcr_read(struct axon_msic *msic, unsigned int dcr_n) { - return dcr_read(msic->dcr_host, msic->dcr_base + dcr_n); + return dcr_read(msic->dcr_host, msic->dcr_host.base + dcr_n); } static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc) @@ -126,7 +124,7 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev) const phandle *ph; struct axon_msic *msic = NULL; - dn = pci_device_to_OF_node(dev); + dn = of_node_get(pci_device_to_OF_node(dev)); if (!dn) { dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n"); return NULL; @@ -183,7 +181,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg) int len; const u32 *prop; - dn = pci_device_to_OF_node(dev); + dn = of_node_get(pci_device_to_OF_node(dev)); if (!dn) { dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n"); return -ENODEV; @@ -295,15 +293,7 @@ static int msic_host_map(struct irq_host *h, unsigned int virq, return 0; } -static int msic_host_match(struct irq_host *host, struct device_node *dn) -{ - struct axon_msic *msic = host->host_data; - - return msic->dn == dn; -} - static struct irq_host_ops msic_host_ops = { - .match = msic_host_match, .map = msic_host_map, }; @@ -314,7 +304,8 @@ static int axon_msi_notify_reboot(struct notifier_block *nb, u32 tmp; list_for_each_entry(msic, &axon_msic_list, list) { - pr_debug("axon_msi: disabling %s\n", msic->dn->full_name); + pr_debug("axon_msi: disabling %s\n", + msic->irq_host->of_node->full_name); tmp = msic_dcr_read(msic, MSIC_CTRL_REG); tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; msic_dcr_write(msic, MSIC_CTRL_REG, tmp); @@ -332,7 +323,7 @@ static int axon_msi_setup_one(struct device_node *dn) struct page *page; struct axon_msic *msic; unsigned int virq; - int dcr_len; + int dcr_base, dcr_len; pr_debug("axon_msi: setting up dn %s\n", dn->full_name); @@ -343,17 +334,17 @@ static int axon_msi_setup_one(struct device_node *dn) goto out; } - msic->dcr_base = dcr_resource_start(dn, 0); + dcr_base = dcr_resource_start(dn, 0); dcr_len = dcr_resource_len(dn, 0); - if (msic->dcr_base == 0 || dcr_len == 0) { + if (dcr_base == 0 || dcr_len == 0) { printk(KERN_ERR "axon_msi: couldn't parse dcr properties on %s\n", dn->full_name); goto out; } - msic->dcr_host = dcr_map(dn, msic->dcr_base, dcr_len); + msic->dcr_host = dcr_map(dn, dcr_base, dcr_len); if (!DCR_MAP_OK(msic->dcr_host)) { printk(KERN_ERR "axon_msi: dcr_map failed for %s\n", dn->full_name); @@ -370,8 +361,8 @@ static int axon_msi_setup_one(struct device_node *dn) msic->fifo = page_address(page); - msic->irq_host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, NR_IRQS, - &msic_host_ops, 0); + msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP, + NR_IRQS, &msic_host_ops, 0); if (!msic->irq_host) { printk(KERN_ERR "axon_msi: couldn't allocate irq_host for %s\n", dn->full_name); @@ -387,8 +378,6 @@ static int axon_msi_setup_one(struct device_node *dn) goto out_free_host; } - msic->dn = of_node_get(dn); - set_irq_data(virq, msic); set_irq_chained_handler(virq, axon_msi_cascade); pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq); |