diff options
Diffstat (limited to 'arch/powerpc/boot/devtree.c')
| -rw-r--r-- | arch/powerpc/boot/devtree.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 60f561e307a..a7e21a35c03 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -213,7 +213,7 @@ static int find_range(u32 *reg, u32 *ranges, int nregaddr, u32 range_addr[MAX_ADDR_CELLS]; u32 range_size[MAX_ADDR_CELLS]; - copy_val(range_addr, ranges + i, naddr); + copy_val(range_addr, ranges + i, nregaddr); copy_val(range_size, ranges + i + nregaddr + naddr, nsize); if (compare_reg(reg, range_addr, range_size)) @@ -350,3 +350,23 @@ int dt_is_compatible(void *node, const char *compat) return 0; } + +int dt_get_virtual_reg(void *node, void **addr, int nres) +{ + unsigned long xaddr; + int n; + + n = getprop(node, "virtual-reg", addr, nres * 4); + if (n > 0) + return n / 4; + + for (n = 0; n < nres; n++) { + if (!dt_xlate_reg(node, n, &xaddr, NULL)) + break; + + addr[n] = (void *)xaddr; + } + + return n; +} + |