gpiolib: demote the hogging log messages to debug

Drivers should be silent when they work correctly. There's no reason to
emit info messages when GPIO lines are hogged. Demote the message to
debug.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Suggested-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Author: Bartosz Golaszewski

drivers/gpio/gpiolib.c

@@ -4236,7 +4236,7 @@ int gpiod_hog(struct gpio_desc *desc, const char *name,
 	/* Mark GPIO as hogged so it can be identified and removed later */
 	set_bit(FLAG_IS_HOGGED, &desc->flags);
 
-	gpiod_info(desc, "hogged as %s%s\n",
+	gpiod_dbg(desc, "hogged as %s%s\n",
 		(dflags & GPIOD_FLAGS_BIT_DIR_OUT) ? "output" : "input",
 		(dflags & GPIOD_FLAGS_BIT_DIR_OUT) ?
 		  (dflags & GPIOD_FLAGS_BIT_DIR_VAL) ? "/high" : "/low" : "");

drivers/of/unittest.c

@@ -1849,19 +1849,19 @@ static void __init of_unittest_overlay_gpio(void)
 	 * driver is registered
 	 */
 
-	EXPECT_BEGIN(KERN_INFO,
+	EXPECT_BEGIN(KERN_DEBUG,
 		     "gpio-<<int>> (line-B-input): hogged as input\n");
 
-	EXPECT_BEGIN(KERN_INFO,
+	EXPECT_BEGIN(KERN_DEBUG,
 		     "gpio-<<int>> (line-A-input): hogged as input\n");
 
 	ret = platform_driver_register(&unittest_gpio_driver);
 	if (unittest(ret == 0, "could not register unittest gpio driver\n"))
 		return;
 
-	EXPECT_END(KERN_INFO,
+	EXPECT_END(KERN_DEBUG,
 		   "gpio-<<int>> (line-A-input): hogged as input\n");
-	EXPECT_END(KERN_INFO,
+	EXPECT_END(KERN_DEBUG,
 		   "gpio-<<int>> (line-B-input): hogged as input\n");
 
 	unittest(probe_pass_count + 2 == unittest_gpio_probe_pass_count,
@@ -1888,15 +1888,15 @@ static void __init of_unittest_overlay_gpio(void)
 	probe_pass_count = unittest_gpio_probe_pass_count;
 	chip_request_count = unittest_gpio_chip_request_count;
 
-	EXPECT_BEGIN(KERN_INFO,
+	EXPECT_BEGIN(KERN_DEBUG,
 		     "gpio-<<int>> (line-D-input): hogged as input\n");
 
 	/* overlay_gpio_03 contains gpio node and child gpio hog node */
 
 	unittest(overlay_data_apply("overlay_gpio_03", NULL),
 		 "Adding overlay 'overlay_gpio_03' failed\n");
 
-	EXPECT_END(KERN_INFO,
+	EXPECT_END(KERN_DEBUG,
 		   "gpio-<<int>> (line-D-input): hogged as input\n");
 
 	unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
@@ -1935,15 +1935,15 @@ static void __init of_unittest_overlay_gpio(void)
 	 *   - processing gpio for overlay_gpio_04b
 	 */
 
-	EXPECT_BEGIN(KERN_INFO,
+	EXPECT_BEGIN(KERN_DEBUG,
 		     "gpio-<<int>> (line-C-input): hogged as input\n");
 
 	/* overlay_gpio_04b contains child gpio hog node */
 
 	unittest(overlay_data_apply("overlay_gpio_04b", NULL),
 		 "Adding overlay 'overlay_gpio_04b' failed\n");
 
-	EXPECT_END(KERN_INFO,
+	EXPECT_END(KERN_DEBUG,
 		   "gpio-<<int>> (line-C-input): hogged as input\n");
 
 	unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,