diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c
index 8b24d784db93e6bfda3e9b28440c10caab8173fa..3e7f4e06386e7e31d4844e5861c4faedb0c76711 100644
--- a/drivers/gpio/max7301.c
+++ b/drivers/gpio/max7301.c
@@ -217,8 +217,10 @@ static int __devinit max7301_probe(struct spi_device *spi)
 	int i, ret;
 
 	pdata = spi->dev.platform_data;
-	if (!pdata || !pdata->base)
-		return -ENODEV;
+	if (!pdata || !pdata->base) {
+		dev_dbg(&spi->dev, "incorrect or missing platform data\n");
+		return -EINVAL;
+	}
 
 	/*
 	 * bits_per_word cannot be configured in platform data
diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c
index 55ae9a41897aafe0db3da8d2fde1e7a7aec174d9..f7868243af899a46e69f3cb52064bb06d85bab86 100644
--- a/drivers/gpio/max732x.c
+++ b/drivers/gpio/max732x.c
@@ -267,8 +267,10 @@ static int __devinit max732x_probe(struct i2c_client *client,
 	int ret, nr_port;
 
 	pdata = client->dev.platform_data;
-	if (pdata == NULL)
-		return -ENODEV;
+	if (pdata == NULL) {
+		dev_dbg(&client->dev, "no platform data\n");
+		return -EINVAL;
+	}
 
 	chip = kzalloc(sizeof(struct max732x_chip), GFP_KERNEL);
 	if (chip == NULL)
diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c
index 89c1d222e9d10b89b8acc56dbfff0b1933f1a2c3..f6fae0e50e654731e2fc235b6d562e2a669b3627 100644
--- a/drivers/gpio/mcp23s08.c
+++ b/drivers/gpio/mcp23s08.c
@@ -310,8 +310,10 @@ static int mcp23s08_probe(struct spi_device *spi)
 	unsigned			base;
 
 	pdata = spi->dev.platform_data;
-	if (!pdata || !gpio_is_valid(pdata->base))
-		return -ENODEV;
+	if (!pdata || !gpio_is_valid(pdata->base)) {
+		dev_dbg(&spi->dev, "invalid or missing platform data\n");
+		return -EINVAL;
+	}
 
 	for (addr = 0; addr < 4; addr++) {
 		if (!pdata->chip[addr].is_present)
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 37f35388a2aeb7094b559bfde1a851159e9ae59f..8dc0164bd51e036af7ae4986644957cf6a4c8b94 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -202,8 +202,10 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	int ret;
 
 	pdata = client->dev.platform_data;
-	if (pdata == NULL)
-		return -ENODEV;
+	if (pdata == NULL) {
+		dev_dbg(&client->dev, "no platform data\n");
+		return -EINVAL;
+	}
 
 	chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
 	if (chip == NULL)
diff --git a/drivers/gpio/pcf857x.c b/drivers/gpio/pcf857x.c
index 4bc2070dd4a1010b498d63b96926e0cdbec69111..9525724be731d400f781a36e2354c76b8c5ff699 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;