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| author |   Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
| commit | 77835492ed489c0b870f82f4c50687bd267acc0a (patch) | |
| tree | d80903ce1b8dd30aa44ccfc756616ad4d6c74d63 /drivers/gpio/pcf857x.c | |
| parent | Merge branch 'core/percpu' into perfcounters/core (diff) | |
| parent | Linux 2.6.29-rc2 (diff) | |
| download | linux-dev-77835492ed489c0b870f82f4c50687bd267acc0a.tar.xz linux-dev-77835492ed489c0b870f82f4c50687bd267acc0a.zip | |
Merge commit 'v2.6.29-rc2' into perfcounters/core
Conflicts:
include/linux/syscalls.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 4bc2070dd4a1..9525724be731 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; |