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authorDavid Brownell <david-b@pacbell.net>2007-09-09 22:29:13 +0200
committerJean Delvare <khali@hyperion.delvare>2007-09-09 22:29:13 +0200
commit9a3180e70e35ff69586ada5421b5e7bad52f60e4 (patch)
tree68f47d75fb3788c077d8da8ef75caf90a1c37815 /drivers/i2c
parentb21010ed6498391c0f359f2a89c907533fe07fec (diff)
downloadop-kernel-dev-9a3180e70e35ff69586ada5421b5e7bad52f60e4.zip
op-kernel-dev-9a3180e70e35ff69586ada5421b5e7bad52f60e4.tar.gz
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 025f194..44e1cd2 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)
* 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;
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