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| author | Zang Roy-r61911 <tie-fei.zang@freescale.com> | 2006-08-23 10:19:50 +0800 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-23 15:51:18 +1000 |
| commit | c4342ff92bed26f2e0e3543a9f0fdc5f3a29b8fd (patch) | |
| tree | 1e79e4a33cd9a5e19d7143d6fed20bed9e3adc3a /arch/powerpc/sysdev/tsi108_pci.c | |
| parent | 6cdd2bdfb9e2449f1c8a0f729cdf9cfd733dd63f (diff) | |
| download | olio-linux-3.10-c4342ff92bed26f2e0e3543a9f0fdc5f3a29b8fd.tar.xz olio-linux-3.10-c4342ff92bed26f2e0e3543a9f0fdc5f3a29b8fd.zip | |
[POWERPC] Update mpc7448hpc2 board irq support using device tree
The patch rewrites mpc7448hpc2 board irq support according to the new
mpic device tree interface.
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/sysdev/tsi108_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/tsi108_pci.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 3265d54c82e..2ab06ed3ae7 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -26,7 +26,6 @@ #include <linux/irq.h> #include <linux/interrupt.h> - #include <asm/byteorder.h> #include <asm/io.h> #include <asm/irq.h> @@ -228,7 +227,7 @@ int __init tsi108_setup_pci(struct device_node *dev) (hose)->ops = &tsi108_direct_pci_ops; - printk(KERN_INFO "Found tsi108 PCI host bridge at 0x%08lx. " + printk(KERN_INFO "Found tsi108 PCI host bridge at 0x%08x. " "Firmware bus number: %d->%d\n", rsrc.start, hose->first_busno, hose->last_busno); @@ -278,7 +277,7 @@ static void init_pci_source(void) mb(); } -static inline int get_pci_source(void) +static inline unsigned int get_pci_source(void) { u_int temp = 0; int irq = -1; @@ -371,12 +370,12 @@ static void tsi108_pci_irq_end(u_int irq) * Interrupt controller descriptor for cascaded PCI interrupt controller. */ -struct hw_interrupt_type tsi108_pci_irq = { +static struct irq_chip tsi108_pci_irq = { .typename = "tsi108_PCI_int", - .enable = tsi108_pci_irq_enable, - .disable = tsi108_pci_irq_disable, + .mask = tsi108_pci_irq_disable, .ack = tsi108_pci_irq_ack, .end = tsi108_pci_irq_end, + .unmask = tsi108_pci_irq_enable, }; /* @@ -399,14 +398,18 @@ void __init tsi108_pci_int_init(void) DBG("Tsi108_pci_int_init: initializing PCI interrupts\n"); for (i = 0; i < NUM_PCI_IRQS; i++) { - irq_desc[i + IRQ_PCI_INTAD_BASE].handler = &tsi108_pci_irq; + irq_desc[i + IRQ_PCI_INTAD_BASE].chip = &tsi108_pci_irq; irq_desc[i + IRQ_PCI_INTAD_BASE].status |= IRQ_LEVEL; } init_pci_source(); } -int tsi108_irq_cascade(struct pt_regs *regs, void *unused) +void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc, + struct pt_regs *regs) { - return get_pci_source(); + unsigned int cascade_irq = get_pci_source(); + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq, regs); + desc->chip->eoi(irq); } |