sysfsgpio: minor fix for bool types

Return bool value in functions that return bool.
Change return type to bool to function is_gpio_valid().

Change-Id: Ic2e62be737772b22e69881c034956549f659370b
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5552
Tested-by: jenkins
Reviewed-by: Marc Schink <dev@zapb.de>

diff --git a/src/jtag/drivers/sysfsgpio.c b/src/jtag/drivers/sysfsgpio.c
index bf33767c811a0532396bbd8e75a8ceafe6d46bde..c398d53840714a29f0370cab86b49744f92096d6 100644 (file)
--- a/src/jtag/drivers/sysfsgpio.c
+++ b/src/jtag/drivers/sysfsgpio.c
@@ -61,7 +61,7 @@
  *
  * Assume here that there will be less than 10000 gpios on a system
  */
-static int is_gpio_valid(int gpio)
+static bool is_gpio_valid(int gpio)
 {
        return gpio >= 0 && gpio < 10000;
 }
@@ -603,23 +603,23 @@ static void cleanup_all_fds(void)
 static bool sysfsgpio_jtag_mode_possible(void)
 {
        if (!is_gpio_valid(tck_gpio))
-               return 0;
+               return false;
        if (!is_gpio_valid(tms_gpio))
-               return 0;
+               return false;
        if (!is_gpio_valid(tdi_gpio))
-               return 0;
+               return false;
        if (!is_gpio_valid(tdo_gpio))
-               return 0;
-       return 1;
+               return false;
+       return true;
 }
 
 static bool sysfsgpio_swd_mode_possible(void)
 {
        if (!is_gpio_valid(swclk_gpio))
-               return 0;
+               return false;
        if (!is_gpio_valid(swdio_gpio))
-               return 0;
-       return 1;
+               return false;
+       return true;
 }
 
 static int sysfsgpio_init(void)