The patch titled
hwmon: coretemp: update hotplug condition check
has been added to the -mm tree. Its filename is
hwmon-coretemp-update-hotplug-condition-check.patch
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------------------------------------------------------
Subject: hwmon: coretemp: update hotplug condition check
From: Chen Gong <gong.chen@xxxxxxxxxxxxxxx>
Fix two errors in hotplug. One is for hotplug notifier. The other is
unnecessary driver unregister. Because even none of online cpus supports
coretemp, we can't assume new onlined cpu doesn't support it either. If
related driver is unregistered there we have no chance to use coretemp
from then on.
Signed-off-by: Chen Gong <gong.chen@xxxxxxxxxxxxxxx>
Cc: Rudolf Marek <r.marek@xxxxxxxxxxxx>
Cc: Huaxu Wan <huaxu.wan@xxxxxxxxx>
Cc: Jean Delvare <khali@xxxxxxxxxxxx>
Cc: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/coretemp.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN drivers/hwmon/coretemp.c~hwmon-coretemp-update-hotplug-condition-check drivers/hwmon/coretemp.c
--- a/drivers/hwmon/coretemp.c~hwmon-coretemp-update-hotplug-condition-check
+++ a/drivers/hwmon/coretemp.c
@@ -502,10 +502,13 @@ static int __cpuinit coretemp_cpu_callba
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
case CPU_DOWN_FAILED:
+ case CPU_DOWN_FAILED_FROZEN:
coretemp_device_add(cpu);
break;
case CPU_DOWN_PREPARE:
+ case CPU_DOWN_PREPARE_FROZEN:
coretemp_device_remove(cpu);
break;
}
@@ -566,7 +569,9 @@ exit_devices_unreg:
}
mutex_unlock(&pdev_list_mutex);
exit_driver_unreg:
+#ifndef CONFIG_HOTPLUG_CPU
platform_driver_unregister(&coretemp_driver);
+#endif
exit:
return err;
}
_
Patches currently in -mm which might be from gong.chen@xxxxxxxxxxxxxxx are
linux-next.patch
hwmon-coretemp-update-hotplug-condition-check.patch
hwmon-coretemp-enable-coretemp-device-add-operation-failure.patch
hwmon-coretemp-documentation-update-and-cleanup.patch
drivers-hwmon-coretempc-remove-unneeded-ifdef-config_hotplug_cpu.patch
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