aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/i2c
diff options
context:
space:
mode:
authorDavid Brownell <david-b@pacbell.net>2007-09-09 16:29:13 -0400
committerJean Delvare <khali@hyperion.delvare>2007-09-09 16:29:13 -0400
commit9a3180e70e35ff69586ada5421b5e7bad52f60e4 (patch)
tree68f47d75fb3788c077d8da8ef75caf90a1c37815 /drivers/i2c
parentb21010ed6498391c0f359f2a89c907533fe07fec (diff)
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-gpio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 025f19423faf..44e1cd21bb01 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -147,7 +147,7 @@ static int __init i2c_gpio_probe(struct platform_device *pdev)
147 * The reason to do so is to avoid sysfs names that only make 147 * The reason to do so is to avoid sysfs names that only make
148 * sense when there are multiple adapters. 148 * sense when there are multiple adapters.
149 */ 149 */
150 adap->nr = pdev->id >= 0 ? pdev->id : 0; 150 adap->nr = (pdev->id != -1) ? pdev->id : 0;
151 ret = i2c_bit_add_numbered_bus(adap); 151 ret = i2c_bit_add_numbered_bus(adap);
152 if (ret) 152 if (ret)
153 goto err_add_bus; 153 goto err_add_bus;