1 files changed, 38 insertions, 18 deletions

diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 4e68ab439d5d..79693fe2001e 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -56,7 +56,6 @@ struct rfkill {
         u32                     idx;
 
         bool                    registered;
-        bool                    suspended;
         bool                    persistent;
 
         const struct rfkill_ops *ops;
@@ -224,7 +223,7 @@ static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
 
 static void rfkill_event(struct rfkill *rfkill)
 {
-        if (!rfkill->registered || rfkill->suspended)
+        if (!rfkill->registered)
                 return;
 
         kobject_uevent(&rfkill->dev.kobj, KOBJ_CHANGE);
@@ -270,6 +269,9 @@ static void rfkill_set_block(struct rfkill *rfkill, bool blocked)
         unsigned long flags;
         int err;
 
+        if (unlikely(rfkill->dev.power.power_state.event & PM_EVENT_SLEEP))
+                return;
+
         /*
          * Some platforms (...!) generate input events which affect the
          * _hard_ kill state -- whenever something tries to change the
@@ -292,9 +294,6 @@ static void rfkill_set_block(struct rfkill *rfkill, bool blocked)
         rfkill->state |= RFKILL_BLOCK_SW_SETCALL;
         spin_unlock_irqrestore(&rfkill->lock, flags);
 
-        if (unlikely(rfkill->dev.power.power_state.event & PM_EVENT_SLEEP))
-                return;
-
         err = rfkill->ops->set_block(rfkill->data, blocked);
 
         spin_lock_irqsave(&rfkill->lock, flags);
@@ -508,19 +507,32 @@ bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked)
         blocked = blocked || hwblock;
         spin_unlock_irqrestore(&rfkill->lock, flags);
 
-        if (!rfkill->registered) {
-                rfkill->persistent = true;
-        } else {
-                if (prev != blocked && !hwblock)
-                        schedule_work(&rfkill->uevent_work);
+        if (!rfkill->registered)
+                return blocked;
 
-                rfkill_led_trigger_event(rfkill);
-        }
+        if (prev != blocked && !hwblock)
+                schedule_work(&rfkill->uevent_work);
+
+        rfkill_led_trigger_event(rfkill);
 
         return blocked;
 }
 EXPORT_SYMBOL(rfkill_set_sw_state);
 
+void rfkill_init_sw_state(struct rfkill *rfkill, bool blocked)
+{
+        unsigned long flags;
+
+        BUG_ON(!rfkill);
+        BUG_ON(rfkill->registered);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        __rfkill_set_sw_state(rfkill, blocked);
+        rfkill->persistent = true;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+}
+EXPORT_SYMBOL(rfkill_init_sw_state);
+
 void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw)
 {
         unsigned long flags;
@@ -598,6 +610,15 @@ static ssize_t rfkill_idx_show(struct device *dev,
         return sprintf(buf, "%d\n", rfkill->idx);
 }
 
+static ssize_t rfkill_persistent_show(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        return sprintf(buf, "%d\n", rfkill->persistent);
+}
+
 static u8 user_state_from_blocked(unsigned long state)
 {
         if (state & RFKILL_BLOCK_HW)
@@ -656,6 +677,7 @@ static struct device_attribute rfkill_dev_attrs[] = {
         __ATTR(name, S_IRUGO, rfkill_name_show, NULL),
         __ATTR(type, S_IRUGO, rfkill_type_show, NULL),
         __ATTR(index, S_IRUGO, rfkill_idx_show, NULL),
+        __ATTR(persistent, S_IRUGO, rfkill_persistent_show, NULL),
         __ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store),
         __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store),
         __ATTR_NULL
@@ -718,8 +740,6 @@ static int rfkill_suspend(struct device *dev, pm_message_t state)
 
         rfkill_pause_polling(rfkill);
 
-        rfkill->suspended = true;
-
         return 0;
 }
 
@@ -728,10 +748,10 @@ static int rfkill_resume(struct device *dev)
         struct rfkill *rfkill = to_rfkill(dev);
         bool cur;
 
-        cur = !!(rfkill->state & RFKILL_BLOCK_SW);
-        rfkill_set_block(rfkill, cur);
-
-        rfkill->suspended = false;
+        if (!rfkill->persistent) {
+                cur = !!(rfkill->state & RFKILL_BLOCK_SW);
+                rfkill_set_block(rfkill, cur);
+        }
 
         rfkill_resume_polling(rfkill);