linux-kernel - [QUEUED v20160408 12/18] intel_th: msu: Create sysfs attributes using core driver's facility

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Message-Id: <1460127401-30801-13-git-send-email-alexander.shishkin@linux.intel.com>
Date:	Fri,  8 Apr 2016 17:56:35 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Greg KH <greg@...ah.com>
Cc:	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Chunyan Zhang <zhang.chunyan@...aro.org>,
	laurent.fert@...el.com, yann.fouassier@...el.com,
	linux-kernel@...r.kernel.org,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [QUEUED v20160408 12/18] intel_th: msu: Create sysfs attributes using core driver's facility

The core intel_th driver allows subdevices to bring in their sysfs
attributes. Use this instead of taking care of them in probe and
remove.

Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
---
 drivers/hwtracing/intel_th/msu.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 747ccf84bd..25af214686 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1478,10 +1478,6 @@ static int intel_th_msc_probe(struct intel_th_device *thdev)
 	if (err)
 		return err;
 
-	err = sysfs_create_group(&dev->kobj, &msc_output_group);
-	if (err)
-		return err;
-
 	dev_set_drvdata(dev, msc);
 
 	return 0;
@@ -1489,7 +1485,6 @@ static int intel_th_msc_probe(struct intel_th_device *thdev)
 
 static void intel_th_msc_remove(struct intel_th_device *thdev)
 {
-	sysfs_remove_group(&thdev->dev.kobj, &msc_output_group);
 }
 
 static struct intel_th_driver intel_th_msc_driver = {
@@ -1498,6 +1493,7 @@ static struct intel_th_driver intel_th_msc_driver = {
 	.activate	= intel_th_msc_activate,
 	.deactivate	= intel_th_msc_deactivate,
 	.fops	= &intel_th_msc_fops,
+	.attr_group	= &msc_output_group,
 	.driver	= {
 		.name	= "msc",
 		.owner	= THIS_MODULE,
-- 
2.8.0.rc3