isapnp driver semaphore to mutex
Changed the isapnp semaphore to a mutex.
[akpm@linux-foundation.org: no externs-in-c]
[akpm@linux-foundation.org: build fix]
Signed-off-by: Daniel Walker <dwalker@mvista.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.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/include/linux/pnp.h b/include/linux/pnp.h
index b9339d8..cd6332b 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -258,6 +258,7 @@
#else
#define pnp_device_is_isapnp(dev) 0
#endif
+extern struct mutex pnp_res_mutex;
#ifdef CONFIG_PNPBIOS
extern struct pnp_protocol pnpbios_protocol;