diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-01-16 10:09:10 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-16 10:09:10 +0100 |
| commit | af2519fb2298cdf7540082c36f4d8c66bbff103f (patch) | |
| tree | 1d290d28d42d42f9e693457762c4008988628060 /drivers/gpio/pcf857x.c | |
| parent | 961d7d0ee5150e0197cc81c2a8884ecb230276e2 (diff) | |
| parent | 7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff) | |
Merge branch 'linus' into core/iommu
Conflicts:
arch/ia64/include/asm/dma-mapping.h
arch/ia64/include/asm/machvec.h
arch/ia64/include/asm/machvec_sn2.h
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; |