diff options
author | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-14 16:41:03 -0500 |
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committer | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-14 16:44:16 -0500 |
commit | f3e8554f6e7441c1159994f93cf7bad631a122c1 (patch) | |
tree | 80f5d89cca49330e137688c72fb10c9f42dc5663 /arch/sparc/kernel/of_device_64.c | |
parent | 14a4057959f8ee0a2249eb2abd64fd6b1f571d98 (diff) |
Digi Release Code from del-5.6/main
Diffstat (limited to 'arch/sparc/kernel/of_device_64.c')
-rw-r--r-- | arch/sparc/kernel/of_device_64.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index 881947e59e95..0a6f2d1798d1 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -104,9 +104,19 @@ static int of_bus_pci_map(u32 *addr, const u32 *range, int i; /* Check address type match */ - if ((addr[0] ^ range[0]) & 0x03000000) - return -EINVAL; + if (!((addr[0] ^ range[0]) & 0x03000000)) + goto type_match; + + /* Special exception, we can map a 64-bit address into + * a 32-bit range. + */ + if ((addr[0] & 0x03000000) == 0x03000000 && + (range[0] & 0x03000000) == 0x02000000) + goto type_match; + + return -EINVAL; +type_match: if (of_out_of_range(addr + 1, range + 1, range + na + pna, na - 1, ns)) return -EINVAL; |