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authorRobin Holt <holt@sgi.com>2009-04-21 23:24:53 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-22 00:41:50 +0400
commite873cff0fada2b0532ca5104d5b5f5b02aa442b2 (patch)
treed5a751a5a4d8cb75b7110700b2c929f0cb52a7e4
parent2d7197f412e75587037449960bc4c7ea06155a7f (diff)
downloadlinux-e873cff0fada2b0532ca5104d5b5f5b02aa442b2.tar.xz
sgi-xp/sgi-gru: allow modules to load on non-uv systems
For an upcoming distro release, we need to have the xp kernel module loadable even when not on UV equipment. The xpc module will not load. This will allow one set of modules dependent upon xp to work on either UV or non-UV equipment. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/misc/sgi-gru/grufile.c2
-rw-r--r--drivers/misc/sgi-xp/xp_main.c12
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 3e6e42d2f01b..bbefe77c67a9 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -375,7 +375,7 @@ static int __init gru_init(void)
void *gru_start_vaddr;
if (!is_uv_system())
- return -ENODEV;
+ return 0;
#if defined CONFIG_IA64
gru_start_paddr = 0xd000000000UL; /* ZZZZZZZZZZZZZZZZZZZ fixme */
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 16f8dcab2da4..7896849b16dc 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -248,19 +248,19 @@ xp_init(void)
enum xp_retval ret;
int ch_number;
+ /* initialize the connection registration mutex */
+ for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++)
+ mutex_init(&xpc_registrations[ch_number].mutex);
+
if (is_shub())
ret = xp_init_sn2();
else if (is_uv())
ret = xp_init_uv();
else
- ret = xpUnsupported;
+ ret = 0;
if (ret != xpSuccess)
- return -ENODEV;
-
- /* initialize the connection registration mutex */
- for (ch_number = 0; ch_number < XPC_MAX_NCHANNELS; ch_number++)
- mutex_init(&xpc_registrations[ch_number].mutex);
+ return ret;
return 0;
}