gpio: mcp23s08 debug fix

The return value of mcp23s08_read_regs() can only be evaluated when signed

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c
index 7fb5b9d009d4a83a9c58a458464077caad24d6f5..7f92fdd5f0e2888b2c719e67873a5a7f0b435267 100644 (file)
--- a/drivers/gpio/mcp23s08.c
+++ b/drivers/gpio/mcp23s08.c
@@ -168,7 +168,7 @@ static void mcp23s08_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 {
        struct mcp23s08 *mcp;
        char            bank;
-       unsigned        t;
+       int             t;
        unsigned        mask;
 
        mcp = container_of(chip, struct mcp23s08, chip);