diff options
Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
-rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 6a4470b84488..87ed6bf6528b 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c | |||
@@ -520,14 +520,13 @@ static int mcp230xx_probe(struct i2c_client *client, | |||
520 | 520 | ||
521 | match = of_match_device(of_match_ptr(mcp23s08_i2c_of_match), | 521 | match = of_match_device(of_match_ptr(mcp23s08_i2c_of_match), |
522 | &client->dev); | 522 | &client->dev); |
523 | if (match) { | 523 | pdata = client->dev.platform_data; |
524 | if (match || !pdata) { | ||
524 | base = -1; | 525 | base = -1; |
525 | pullups = 0; | 526 | pullups = 0; |
526 | } else { | 527 | } else { |
527 | pdata = client->dev.platform_data; | 528 | if (!gpio_is_valid(pdata->base)) { |
528 | if (!pdata || !gpio_is_valid(pdata->base)) { | 529 | dev_dbg(&client->dev, "invalid platform data\n"); |
529 | dev_dbg(&client->dev, | ||
530 | "invalid or missing platform data\n"); | ||
531 | return -EINVAL; | 530 | return -EINVAL; |
532 | } | 531 | } |
533 | base = pdata->base; | 532 | base = pdata->base; |