i2c-gpio: Fix adapter number
It turns out that platform_device.id is a "u32" so testing it for being
nonnegative is useless when setting up an i2c bitbang device. Instead,
do what the platform_bus code does and test it against the value "-1".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 025f194..44e1cd2 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -147,7 +147,7 @@
* The reason to do so is to avoid sysfs names that only make
* sense when there are multiple adapters.
*/
- adap->nr = pdev->id >= 0 ? pdev->id : 0;
+ adap->nr = (pdev->id != -1) ? pdev->id : 0;
ret = i2c_bit_add_numbered_bus(adap);
if (ret)
goto err_add_bus;