diff options
| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-19 14:00:57 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2009-01-19 14:00:57 +1100 |
| commit | 6c5200ce3c528a8f7695ee62f33ad84d8f84d444 (patch) | |
| tree | b240465c2dadbe0366a5b66d60c4776be1b7670d /drivers/gpio/pcf857x.c | |
| parent | 9d87c3192d96ef9ac1cec8321538e9b35e90b5aa (diff) | |
| parent | f3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/gpio/pcf857x.c')
| -rw-r--r-- | drivers/gpio/pcf857x.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpio/pcf857x.c b/drivers/gpio/pcf857x.c index 4bc2070dd4a..9525724be73 100644 --- a/drivers/gpio/pcf857x.c +++ b/drivers/gpio/pcf857x.c @@ -188,8 +188,10 @@ static int pcf857x_probe(struct i2c_client *client, int status; pdata = client->dev.platform_data; - if (!pdata) - return -ENODEV; + if (!pdata) { + dev_dbg(&client->dev, "no platform data\n"); + return -EINVAL; + } /* Allocate, initialize, and register this gpio_chip. */ gpio = kzalloc(sizeof *gpio, GFP_KERNEL); @@ -248,8 +250,10 @@ static int pcf857x_probe(struct i2c_client *client, else status = i2c_read_le16(client); - } else - status = -ENODEV; + } else { + dev_dbg(&client->dev, "unsupported number of gpios\n"); + status = -EINVAL; + } if (status < 0) goto fail; |