powerpc: io-workarounds.c was implicitly getting init_mm

It was coming in via device.h --> module.h etc. but we want to
clean that up.  So explicitly include the header where init_mm
is being declared.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/arch/powerpc/kernel/io-workarounds.c b/arch/powerpc/kernel/io-workarounds.c
index ffafaea..12d329b 100644 (file)
--- a/arch/powerpc/kernel/io-workarounds.c
+++ b/arch/powerpc/kernel/io-workarounds.c
@@ -12,6 +12,7 @@
 #undef DEBUG
 
 #include <linux/kernel.h>
+#include <linux/sched.h>       /* for init_mm */
 
 #include <asm/io.h>
 #include <asm/machdep.h>