diff options
author | David S. Miller <davem@sunset.davemloft.net> | 2007-10-04 00:08:11 -0400 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-04 00:08:11 -0400 |
commit | 07607c5492f836923c2ab9eb1cd1d39be7dace49 (patch) | |
tree | 9fe2ba73b293afe2530c7172487b84ff8027aade /arch/sparc64/kernel/vio.c | |
parent | a4aa2e867c5d696c0f249ad8d63d0d983b4ffaf9 (diff) |
[SPARC64]: Fix domain-services port probing.
We should only use ports underneath "domain-services", other DS ports
in the MDESC aren't for us to use.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/vio.c')
-rw-r--r-- | arch/sparc64/kernel/vio.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c index 1550ac5673da..830dc88c19c9 100644 --- a/arch/sparc64/kernel/vio.c +++ b/arch/sparc64/kernel/vio.c | |||
@@ -342,8 +342,33 @@ static struct mdesc_notifier_client vio_device_notifier = { | |||
342 | .node_name = "virtual-device-port", | 342 | .node_name = "virtual-device-port", |
343 | }; | 343 | }; |
344 | 344 | ||
345 | /* We are only interested in domain service ports under the | ||
346 | * "domain-services" node. On control nodes there is another port | ||
347 | * under "openboot" that we should not mess with as aparently that is | ||
348 | * reserved exclusively for OBP use. | ||
349 | */ | ||
350 | static void vio_add_ds(struct mdesc_handle *hp, u64 node) | ||
351 | { | ||
352 | int found; | ||
353 | u64 a; | ||
354 | |||
355 | found = 0; | ||
356 | mdesc_for_each_arc(a, hp, node, MDESC_ARC_TYPE_BACK) { | ||
357 | u64 target = mdesc_arc_target(hp, a); | ||
358 | const char *name = mdesc_node_name(hp, target); | ||
359 | |||
360 | if (!strcmp(name, "domain-services")) { | ||
361 | found = 1; | ||
362 | break; | ||
363 | } | ||
364 | } | ||
365 | |||
366 | if (found) | ||
367 | (void) vio_create_one(hp, node, &root_vdev->dev); | ||
368 | } | ||
369 | |||
345 | static struct mdesc_notifier_client vio_ds_notifier = { | 370 | static struct mdesc_notifier_client vio_ds_notifier = { |
346 | .add = vio_add, | 371 | .add = vio_add_ds, |
347 | .remove = vio_remove, | 372 | .remove = vio_remove, |
348 | .node_name = "domain-services-port", | 373 | .node_name = "domain-services-port", |
349 | }; | 374 | }; |