GRU Driver V3: fixes to resolve code review comments

Fixes problems identified in a code review:
	- add comment with high level dscription of the GRU
	- prepend "gru_" to all global names
	- delete unused function
	- couple of trivial bug fixes

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index bdb1ad83bbfb..533923f83f1a 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -122,7 +122,7 @@ static ssize_t statistics_write(struct file *file, const char __user *userbuf,
 
 static int options_show(struct seq_file *s, void *p)
 {
-        seq_printf(s, "0x%lx\n", options);
+        seq_printf(s, "0x%lx\n", gru_options);
         return 0;
 }
 
@@ -136,7 +136,7 @@ static ssize_t options_write(struct file *file, const char __user *userbuf,
             (buf, userbuf, count < sizeof(buf) ? count : sizeof(buf)))
                 return -EFAULT;
         if (!strict_strtoul(buf, 10, &val))
-                options = val;
+                gru_options = val;
 
         return count;
 }