[RESEND PATCH 1/5] w1: gpio: use int for gpio

[Jean-Christophe PLAGNIOL-VILLARD]

so we can use negative value for invalid gpio

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 include/linux/w1-gpio.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/w1-gpio.h b/include/linux/w1-gpio.h
index 065e3ae..ae961ee 100644
--- a/include/linux/w1-gpio.h
+++ b/include/linux/w1-gpio.h
@@ -16,10 +16,10 @@
  * @is_open_drain: GPIO pin is configured as open drain
  */
 struct w1_gpio_platform_data {
-	unsigned int pin;
+	int pin;
 	unsigned int is_open_drain:1;
 	void (*enable_external_pullup)(int enable);
-	unsigned int ext_pullup_enable_pin;
+	int ext_pullup_enable_pin;
 };
 
 #endif /* _LINUX_W1_GPIO_H */
-- 
1.7.10.4