[PATCH] debugfs: bugfix: include <linux/io.h> in file.c

[Alessandro Rubini]

The regs32 machinery uses readl. I forgot the mandatory include
and the code was not compiling on all archs.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Alessandro Rubini <rubini@xxxxxxxxx>
---

> After merging the driver-core tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> fs/debugfs/file.c: In function 'debugfs_print_regs32':
> fs/debugfs/file.c:560:7: error: implicit declaration of function 'readl' [-
> Werror=implicit-function-declaration]

I'm learning the lesson. I'll be more careful next time.
Sorry for your patience.

/alessandro

 fs/debugfs/file.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index fc98ec9..e0a3a59 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -19,6 +19,7 @@
 #include <linux/pagemap.h>
 #include <linux/namei.h>
 #include <linux/debugfs.h>
+#include <linux/io.h>
 
 static ssize_t default_read_file(struct file *file, char __user *buf,
 				 size_t count, loff_t *ppos)
-- 
1.6.0.2
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