linux-kernel - [PATCH 01/11] staging: gasket: core: debug log updates

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Date:   Sun, 14 Oct 2018 21:59:17 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 01/11] staging: gasket: core: debug log updates

From: Todd Poynor <toddpoynor@...gle.com>

Add debug logs for device enable/disable events, remove logs for
callbacks (the called functions can generate their own logs if needed).

Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
 drivers/staging/gasket/gasket_core.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index f230bec76ae4e..62a7515915e59 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -109,8 +109,6 @@ check_and_invoke_callback(struct gasket_dev *gasket_dev,
 {
 	int ret = 0;
 
-	dev_dbg(gasket_dev->dev, "check_and_invoke_callback %p\n",
-		cb_function);
 	if (cb_function) {
 		mutex_lock(&gasket_dev->mutex);
 		ret = cb_function(gasket_dev);
@@ -126,11 +124,8 @@ gasket_check_and_invoke_callback_nolock(struct gasket_dev *gasket_dev,
 {
 	int ret = 0;
 
-	if (cb_function) {
-		dev_dbg(gasket_dev->dev,
-			"Invoking device-specific callback.\n");
+	if (cb_function)
 		ret = cb_function(gasket_dev);
-	}
 	return ret;
 }
 
@@ -633,6 +628,7 @@ void gasket_disable_device(struct gasket_dev *gasket_dev)
 		gasket_dev->internal_desc->driver_desc;
 	int i;
 
+	dev_dbg(gasket_dev->dev, "disabling device\n");
 	/* Only delete the device if it has been successfully added. */
 	if (gasket_dev->dev_info.cdev_added)
 		cdev_del(&gasket_dev->dev_info.cdev);
@@ -1357,6 +1353,7 @@ int gasket_enable_device(struct gasket_dev *gasket_dev)
 	const struct gasket_driver_desc *driver_desc =
 		gasket_dev->internal_desc->driver_desc;
 
+	dev_dbg(gasket_dev->dev, "enabling device\n");
 	ret = gasket_interrupt_init(gasket_dev);
 	if (ret) {
 		dev_err(gasket_dev->dev,
-- 
2.19.0.605.g01d371f741-goog