linux-kernel - [PATCH 5/8] EDAC: i7core: Use static attribute groups for sysfs entries

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Message-Id: <1423046938-18111-6-git-send-email-tiwai@suse.de>
Date:	Wed,  4 Feb 2015 11:48:55 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	linux-edac@...r.kernel.org
Cc:	Doug Thompson <dougthompson@...ssion.com>,
	Borislav Petkov <bp@...en8.de>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/8] EDAC: i7core: Use static attribute groups for sysfs entries

... instead of manual device_create_file() and device_remove_file()
calls.

Signed-off-by: Takashi Iwai <tiwai@...e.de>
---
 drivers/edac/i7core_edac.c | 29 ++++++++++-------------------
 1 file changed, 10 insertions(+), 19 deletions(-)

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 5da90ded54b6..90f6ba57f0d3 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1157,24 +1157,20 @@ static DEVICE_ATTR(inject_eccmask, S_IRUGO | S_IWUSR,
 static DEVICE_ATTR(inject_enable, S_IRUGO | S_IWUSR,
 		   i7core_inject_enable_show, i7core_inject_enable_store);
 
+static struct attribute *i7core_dev_attrs[] = {
+	&dev_attr_inject_section.attr,
+	&dev_attr_inject_type.attr,
+	&dev_attr_inject_eccmask.attr,
+	&dev_attr_inject_enable.attr,
+};
+
+ATTRIBUTE_GROUPS(i7core_dev);
+
 static int i7core_create_sysfs_devices(struct mem_ctl_info *mci)
 {
 	struct i7core_pvt *pvt = mci->pvt_info;
 	int rc;
 
-	rc = device_create_file(&mci->dev, &dev_attr_inject_section);
-	if (rc < 0)
-		return rc;
-	rc = device_create_file(&mci->dev, &dev_attr_inject_type);
-	if (rc < 0)
-		return rc;
-	rc = device_create_file(&mci->dev, &dev_attr_inject_eccmask);
-	if (rc < 0)
-		return rc;
-	rc = device_create_file(&mci->dev, &dev_attr_inject_enable);
-	if (rc < 0)
-		return rc;
-
 	pvt->addrmatch_dev = kzalloc(sizeof(*pvt->addrmatch_dev), GFP_KERNEL);
 	if (!pvt->addrmatch_dev)
 		return -ENOMEM;
@@ -1223,11 +1219,6 @@ static void i7core_delete_sysfs_devices(struct mem_ctl_info *mci)
 
 	edac_dbg(1, "\n");
 
-	device_remove_file(&mci->dev, &dev_attr_inject_section);
-	device_remove_file(&mci->dev, &dev_attr_inject_type);
-	device_remove_file(&mci->dev, &dev_attr_inject_eccmask);
-	device_remove_file(&mci->dev, &dev_attr_inject_enable);
-
 	if (!pvt->is_registered) {
 		put_device(pvt->chancounts_dev);
 		device_del(pvt->chancounts_dev);
@@ -2259,7 +2250,7 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev)
 		enable_sdram_scrub_setting(mci);
 
 	/* add this new MC control structure to EDAC's list of MCs */
-	if (unlikely(edac_mc_add_mc(mci))) {
+	if (unlikely(edac_mc_add_mc_with_groups(mci, i7core_dev_groups))) {
 		edac_dbg(0, "MC: failed edac_mc_add_mc()\n");
 		/* FIXME: perhaps some code should go here that disables error
 		 * reporting if we just enabled it
-- 
2.2.2

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