diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/kernel/sun4d_irq.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index eaec8a90fb9f..1d13c5bda0b1 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -334,7 +334,8 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, unsigned int real_irq) { struct device_node *dp = op->dev.of_node; - struct device_node *io_unit, *sbi = dp->parent; + struct device_node *board_parent, *bus = dp->parent; + char *bus_connection; const struct linux_prom_registers *regs; unsigned int pil; unsigned int irq; @@ -342,13 +343,20 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, int sbusl; irq = real_irq; - while (sbi) { - if (!strcmp(sbi->name, "sbi")) + while (bus) { + if (!strcmp(bus->name, "sbi")) { + bus_connection = "io-unit"; break; + } + + if (!strcmp(bus->name, "bootbus")) { + bus_connection = "cpu-unit"; + break; + } - sbi = sbi->parent; + bus = bus->parent; } - if (!sbi) + if (!bus) goto err_out; regs = of_get_property(dp, "reg", NULL); @@ -358,17 +366,19 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, slot = regs->which_io; /* - * If SBI's parent is not io-unit or the io-unit lacks - * a "board#" property, something is very wrong. + * If Bus nodes parent is not io-unit/cpu-unit or the io-unit/cpu-unit + * lacks a "board#" property, something is very wrong. */ - if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) { - printk("%s: Error, parent is not io-unit.\n", sbi->full_name); + if (!bus->parent || strcmp(bus->parent->name, bus_connection)) { + printk(KERN_ERR "%s: Error, parent is not %s.\n", + bus->full_name, bus_connection); goto err_out; } - io_unit = sbi->parent; - board = of_getintprop_default(io_unit, "board#", -1); + board_parent = bus->parent; + board = of_getintprop_default(board_parent, "board#", -1); if (board == -1) { - printk("%s: Error, lacks board# property.\n", io_unit->full_name); + printk(KERN_ERR "%s: Error, lacks board# property.\n", + board_parent->full_name); goto err_out; } |