linux-kernel - [PATCH 1/2] hwmon: uniform the init style of pkgtemp

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Message-Id: <1285480800-14558-2-git-send-email-gong.chen@linux.intel.com>
Date:	Sun, 26 Sep 2010 13:59:59 +0800
From:	Chen Gong <gong.chen@...ux.intel.com>
To:	lm-sensors@...sensors.org
Cc:	JBeulich@...ell.com, linux-kernel@...r.kernel.org,
	Chen Gong <gong.chen@...ux.intel.com>
Subject: [PATCH 1/2] hwmon: uniform the init style of pkgtemp

pkgtemp is derived from coretemp, so some reasonable
logics should be applied onto pkgtemp, too. Such as
the init logic here.

Signed-off-by: Chen Gong <gong.chen@...ux.intel.com>
---
 drivers/hwmon/pkgtemp.c |   23 +++++++----------------
 1 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/drivers/hwmon/pkgtemp.c b/drivers/hwmon/pkgtemp.c
index f119039..6186041 100644
--- a/drivers/hwmon/pkgtemp.c
+++ b/drivers/hwmon/pkgtemp.c
@@ -392,7 +392,6 @@ static struct notifier_block pkgtemp_cpu_notifier __refdata = {
 static int __init pkgtemp_init(void)
 {
 	int i, err = -ENODEV;
-	struct pdev_entry *p, *n;
 
 	/* quick check if we run Intel */
 	if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL)
@@ -402,31 +401,23 @@ static int __init pkgtemp_init(void)
 	if (err)
 		goto exit;
 
-	for_each_online_cpu(i) {
-		err = pkgtemp_device_add(i);
-		if (err)
-			goto exit_devices_unreg;
-	}
+	for_each_online_cpu(i)
+		pkgtemp_device_add(i);
+
+#ifndef CONFIG_HOTPLUG_CPU
 	if (list_empty(&pdev_list)) {
 		err = -ENODEV;
 		goto exit_driver_unreg;
 	}
+#endif
 
-#ifdef CONFIG_HOTPLUG_CPU
 	register_hotcpu_notifier(&pkgtemp_cpu_notifier);
-#endif
 	return 0;
 
-exit_devices_unreg:
-	mutex_lock(&pdev_list_mutex);
-	list_for_each_entry_safe(p, n, &pdev_list, list) {
-		platform_device_unregister(p->pdev);
-		list_del(&p->list);
-		kfree(p);
-	}
-	mutex_unlock(&pdev_list_mutex);
+#ifndef CONFIG_HOTPLUG_CPU
 exit_driver_unreg:
 	platform_driver_unregister(&pkgtemp_driver);
+#endif
 exit:
 	return err;
 }
-- 
1.7.2.2.173.g515cc

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