linux-kernel - [PATCH 1/2] gpiolib: output basic details and consolidate gpio device drivers

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Date:	Sat, 05 Nov 2011 22:27:51 +0100
From:	Hartmut Knaack <knaack.h@....de>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] gpiolib: output basic details and consolidate gpio device
 drivers

This patch adds a kernel message, containing GPIO range and device name on successful device registration.

Signed-off-by: Hartmut Knaack <knaack.h@....de>
-------------------------------------------------------------
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index a971e3d..d919ac6 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1088,6 +1088,10 @@ unlock:
 	status = gpiochip_export(chip);
 	if (status)
 		goto fail;
+	
+	pr_info("gpiochip_add: registered GPIOs %d to %d on device: %s\n",
+		chip->base, chip->base + chip->ngpio - 1,
+		chip->label ? : "generic");
 
 	return 0;
 fail:

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