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>

diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 3e6e42d2f01b559c93d5396852e2830a3cc9316a..bbefe77c67a93dd4f88ae2c5e139f2405986eb2c 100644 (file)
--- 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 16f8dcab2da4ba9c63342ed7766a6c741da2b020..7896849b16dc1dbbb4ee432c033b7f2ee265954f 100644 (file)
--- 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;
 }