diff options
Diffstat (limited to 'arch/sparc/prom/ranges.c')
| -rw-r--r-- | arch/sparc/prom/ranges.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index ad143c13bdc0..6d8dc2aa94ce 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -16,9 +16,8 @@ static struct linux_prom_ranges promlib_obio_ranges[PROMREG_MAX]; static int num_obio_ranges; /* Adjust register values based upon the ranges parameters. */ -static void -prom_adjust_regs(struct linux_prom_registers *regp, int nregs, - struct linux_prom_ranges *rangep, int nranges) +static void prom_adjust_regs(struct linux_prom_registers *regp, int nregs, + struct linux_prom_ranges *rangep, int nranges) { int regc, rngc; @@ -34,33 +33,30 @@ prom_adjust_regs(struct linux_prom_registers *regp, int nregs, } } -static void -prom_adjust_ranges(struct linux_prom_ranges *ranges1, int nranges1, - struct linux_prom_ranges *ranges2, int nranges2) +static void prom_adjust_ranges(struct linux_prom_ranges *ranges1, int nranges1, + struct linux_prom_ranges *ranges2, int nranges2) { int rng1c, rng2c; - for(rng1c=0; rng1c < nranges1; rng1c++) { - for(rng2c=0; rng2c < nranges2; rng2c++) - if(ranges1[rng1c].ot_parent_space == ranges2[rng2c].ot_child_space && + for (rng1c = 0; rng1c < nranges1; rng1c++) { + for (rng2c = 0; rng2c < nranges2; rng2c++) + if (ranges1[rng1c].ot_parent_space == ranges2[rng2c].ot_child_space && ranges1[rng1c].ot_parent_base >= ranges2[rng2c].ot_child_base && ranges2[rng2c].ot_child_base + ranges2[rng2c].or_size - ranges1[rng1c].ot_parent_base > 0U) break; - if(rng2c == nranges2) /* oops */ + if (rng2c == nranges2) /* oops */ prom_printf("adjust_ranges: Could not find matching bus type...\n"); else if (ranges1[rng1c].ot_parent_base + ranges1[rng1c].or_size > ranges2[rng2c].ot_child_base + ranges2[rng2c].or_size) - ranges1[rng1c].or_size = - ranges2[rng2c].ot_child_base + ranges2[rng2c].or_size - ranges1[rng1c].ot_parent_base; + ranges1[rng1c].or_size = ranges2[rng2c].ot_child_base + ranges2[rng2c].or_size - ranges1[rng1c].ot_parent_base; ranges1[rng1c].ot_parent_space = ranges2[rng2c].ot_parent_space; ranges1[rng1c].ot_parent_base += ranges2[rng2c].ot_parent_base; } } /* Apply probed obio ranges to registers passed, if no ranges return. */ -void -prom_apply_obio_ranges(struct linux_prom_registers *regs, int nregs) +void prom_apply_obio_ranges(struct linux_prom_registers *regs, int nregs) { - if(num_obio_ranges) + if (num_obio_ranges) prom_adjust_regs(regs, nregs, promlib_obio_ranges, num_obio_ranges); } EXPORT_SYMBOL(prom_apply_obio_ranges); @@ -76,40 +72,40 @@ void __init prom_ranges_init(void) node = prom_getchild(prom_root_node); obio_node = prom_searchsiblings(node, "obio"); - if(obio_node) { + if (obio_node) { success = prom_getproperty(obio_node, "ranges", (char *) promlib_obio_ranges, sizeof(promlib_obio_ranges)); - if(success != -1) - num_obio_ranges = (success/sizeof(struct linux_prom_ranges)); + if (success != -1) + num_obio_ranges = (success / sizeof(struct linux_prom_ranges)); } - if(num_obio_ranges) + if (num_obio_ranges) prom_printf("PROMLIB: obio_ranges %d\n", num_obio_ranges); } void prom_apply_generic_ranges(phandle node, phandle parent, - struct linux_prom_registers *regs, int nregs) + struct linux_prom_registers *regs, int nregs) { int success; int num_ranges; struct linux_prom_ranges ranges[PROMREG_MAX]; - + success = prom_getproperty(node, "ranges", (char *) ranges, - sizeof (ranges)); + sizeof(ranges)); if (success != -1) { - num_ranges = (success/sizeof(struct linux_prom_ranges)); + num_ranges = (success / sizeof(struct linux_prom_ranges)); if (parent) { struct linux_prom_ranges parent_ranges[PROMREG_MAX]; int num_parent_ranges; - + success = prom_getproperty(parent, "ranges", - (char *) parent_ranges, - sizeof (parent_ranges)); + (char *) parent_ranges, + sizeof(parent_ranges)); if (success != -1) { - num_parent_ranges = (success/sizeof(struct linux_prom_ranges)); - prom_adjust_ranges (ranges, num_ranges, parent_ranges, num_parent_ranges); + num_parent_ranges = (success / sizeof(struct linux_prom_ranges)); + prom_adjust_ranges(ranges, num_ranges, parent_ranges, num_parent_ranges); } } prom_adjust_regs(regs, nregs, ranges, num_ranges); |