diff options
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 43 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 8 |
2 files changed, 21 insertions, 30 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 9d0685babbd5..2c5187cc8a24 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -36,12 +36,6 @@ static inline u32 fsl_msi_read(u32 __iomem *base, unsigned int reg) return in_be32(base + (reg >> 2)); } -static inline void fsl_msi_write(u32 __iomem *base, - unsigned int reg, u32 value) -{ - out_be32(base + (reg >> 2), value); -} - /* * We do not need this actually. The MSIR register has been read once * in the cascade interrupt. So, this MSI interrupt has been acked @@ -64,7 +58,7 @@ static int fsl_msi_host_map(struct irq_host *h, unsigned int virq, get_irq_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING; - set_irq_chip_and_handler(virq, chip, handle_edge_irq); + set_irq_chip_and_handler(virq, chip, handle_edge_irq); return 0; } @@ -73,10 +67,11 @@ static struct irq_host_ops fsl_msi_host_ops = { .map = fsl_msi_host_map, }; -irq_hw_number_t fsl_msi_alloc_hwirqs(struct fsl_msi *msi, int num) +static irq_hw_number_t fsl_msi_alloc_hwirqs(struct fsl_msi *msi, int num) { unsigned long flags; - int offset, order = get_count_order(num); + int order = get_count_order(num); + int offset; spin_lock_irqsave(&msi->bitmap_lock, flags); @@ -91,7 +86,7 @@ irq_hw_number_t fsl_msi_alloc_hwirqs(struct fsl_msi *msi, int num) return offset; } -void fsl_msi_free_hwirqs(struct fsl_msi *msi, int offset, int num) +static void fsl_msi_free_hwirqs(struct fsl_msi *msi, int offset, int num) { unsigned long flags; int order = get_count_order(num); @@ -106,7 +101,8 @@ void fsl_msi_free_hwirqs(struct fsl_msi *msi, int offset, int num) static int fsl_msi_free_dt_hwirqs(struct fsl_msi *msi) { - int i, len; + int i; + int len; const u32 *p; bitmap_allocate_region(msi->fsl_msi_bitmap, 0, @@ -138,9 +134,8 @@ static int fsl_msi_free_dt_hwirqs(struct fsl_msi *msi) static int fsl_msi_init_allocator(struct fsl_msi *msi_data) { - int rc, size; - - size = BITS_TO_LONGS(NR_MSI_IRQS) * sizeof(u32); + int rc; + int size = BITS_TO_LONGS(NR_MSI_IRQS) * sizeof(u32); msi_data->fsl_msi_bitmap = kzalloc(size, GFP_KERNEL); @@ -238,7 +233,7 @@ out_free: return rc; } -void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) +static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) { unsigned int cascade_irq; struct fsl_msi *msi_data = fsl_msi; @@ -260,7 +255,7 @@ void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto unlock; - msir_index = (int)(desc->handler_data); + msir_index = (int)desc->handler_data; if (msir_index >= NR_MSI_REG) cascade_irq = NO_IRQ; @@ -280,12 +275,12 @@ void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc) intr_index = ffs(msir_value) - 1; cascade_irq = irq_linear_revmap(msi_data->irqhost, - (msir_index * IRQS_PER_MSI_REG + - intr_index + have_shift)); + msir_index * IRQS_PER_MSI_REG + + intr_index + have_shift); if (cascade_irq != NO_IRQ) generic_handle_irq(cascade_irq); - have_shift += (intr_index + 1); - msir_value = (msir_value >> (intr_index + 1)); + have_shift += intr_index + 1; + msir_value = msir_value >> (intr_index + 1); } desc->status &= ~IRQ_INPROGRESS; @@ -311,7 +306,7 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev, int rc; int virt_msir; const u32 *p; - struct fsl_msi_feature *tmp_data; + struct fsl_msi_feature *features = match->data; printk(KERN_DEBUG "Setting up Freescale MSI support\n"); @@ -348,14 +343,12 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev, goto error_out; } - tmp_data = (struct fsl_msi_feature *)match->data; - - msi->feature = tmp_data->fsl_pic_ip; + msi->feature = features->fsl_pic_ip; msi->irqhost->host_data = msi; msi->msi_addr_hi = 0x0; - msi->msi_addr_lo = res.start + tmp_data->msiir_offset; + msi->msi_addr_lo = res.start + features->msiir_offset; rc = fsl_msi_init_allocator(msi); if (rc) { diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 52a5f7f41b4a..489ca5a397b1 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -106,15 +106,15 @@ void __init setup_pci_cmd(struct pci_controller *hose) } } -#ifdef CONFIG_PCI_MSI -void __init setup_pci_pcsrbar(struct pci_controller *hose) +static void __init setup_pci_pcsrbar(struct pci_controller *hose) { +#ifdef CONFIG_PCI_MSI phys_addr_t immr_base; immr_base = get_immrbase(); early_write_config_dword(hose, 0, 0, PCI_BASE_ADDRESS_0, immr_base); -} #endif +} static int fsl_pcie_bus_fixup; @@ -222,9 +222,7 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary) setup_pci_atmu(hose, &rsrc); /* Setup PEXCSRBAR */ -#ifdef CONFIG_PCI_MSI setup_pci_pcsrbar(hose); -#endif return 0; } |