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| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2011-04-06 12:56:29 +0530 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-04-12 06:29:21 -0500 |
| commit | 07d9fce24d871785dbd25458469032fea73f17b8 (patch) | |
| tree | 9888253d34e3206c4a07e83d4a17ea4162724e6b | |
| parent | ef1fd2df85f5ea8ca8876a45d0ebb152d3a144d1 (diff) | |
| download | linux-stable-07d9fce24d871785dbd25458469032fea73f17b8.tar.gz linux-stable-07d9fce24d871785dbd25458469032fea73f17b8.tar.bz2 linux-stable-07d9fce24d871785dbd25458469032fea73f17b8.zip | |
powerpc: Check device status before adding serial device
serial port nodes with the property status="disabled" are not usable and so
avoid adding "disabled" port with the system.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/legacy_serial.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index c834757bebc0..2b97b80d6d7d 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -330,9 +330,11 @@ void __init find_legacy_serial_ports(void) if (!parent) continue; if (of_match_node(legacy_serial_parents, parent) != NULL) { - index = add_legacy_soc_port(np, np); - if (index >= 0 && np == stdout) - legacy_serial_console = index; + if (of_device_is_available(np)) { + index = add_legacy_soc_port(np, np); + if (index >= 0 && np == stdout) + legacy_serial_console = index; + } } of_node_put(parent); } |