[PATCH] gpio-pcf857x: avoid an empty kernel message in case no irqis configured

[Christian Engelmayer]

Avoid a needless kernel message in case there is no client irq to be ignored.

   [    2.856058] gpiochip_add: registered GPIOs 248 to 255 on device: pcf8574
   [    2.862830] pcf857x 1-0020:

Signed-off-by: Christian Engelmayer <christian.engelmayer@xxxxxxxxxxxxxx>
---
--- a/drivers/gpio/gpio-pcf857x.c	2012-07-06 09:19:07.000000000 +0200
+++ b/drivers/gpio/gpio-pcf857x.c	2012-07-06 09:21:15.000000000 +0200
@@ -290,8 +290,8 @@ static int pcf857x_probe(struct i2c_clie
 	 * methods can't be called from sleeping contexts.
 	 */
 
-	dev_info(&client->dev, "%s\n",
-			client->irq ? " (irq ignored)" : "");
+	if (client->irq)
+		dev_info(&client->dev, " (irq ignored)\n");
 
 	/* Let platform code set up the GPIOs and their users.
 	 * Now is the first time anyone could use them.
--
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