genirq: Convert irq_desc.lock to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

10 files changed, 108 insertions, 108 deletions

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 1de9700f416..2295a31ef11 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -45,7 +45,7 @@ unsigned long probe_irq_on(void)
          * flush such a longstanding irq before considering it as spurious.
          */
         for_each_irq_desc_reverse(i, desc) {
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
                         /*
                          * An old-style architecture might still have
@@ -61,7 +61,7 @@ unsigned long probe_irq_on(void)
                                 desc->chip->set_type(i, IRQ_TYPE_PROBE);
                         desc->chip->startup(i);
                 }
-                spin_unlock_irq(&desc->lock);
+                raw_spin_unlock_irq(&desc->lock);
         }
 
         /* Wait for longstanding interrupts to trigger. */
@@ -73,13 +73,13 @@ unsigned long probe_irq_on(void)
          * happened in the previous stage, it may have masked itself)
          */
         for_each_irq_desc_reverse(i, desc) {
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
                         desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
                         if (desc->chip->startup(i))
                                 desc->status |= IRQ_PENDING;
                 }
-                spin_unlock_irq(&desc->lock);
+                raw_spin_unlock_irq(&desc->lock);
         }
 
         /*
@@ -91,7 +91,7 @@ unsigned long probe_irq_on(void)
          * Now filter out any obviously spurious interrupts
          */
         for_each_irq_desc(i, desc) {
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 status = desc->status;
 
                 if (status & IRQ_AUTODETECT) {
@@ -103,7 +103,7 @@ unsigned long probe_irq_on(void)
                                 if (i < 32)
                                         mask |= 1 << i;
                 }
-                spin_unlock_irq(&desc->lock);
+                raw_spin_unlock_irq(&desc->lock);
         }
 
         return mask;
@@ -129,7 +129,7 @@ unsigned int probe_irq_mask(unsigned long val)
         int i;
 
         for_each_irq_desc(i, desc) {
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 status = desc->status;
 
                 if (status & IRQ_AUTODETECT) {
@@ -139,7 +139,7 @@ unsigned int probe_irq_mask(unsigned long val)
                         desc->status = status & ~IRQ_AUTODETECT;
                         desc->chip->shutdown(i);
                 }
-                spin_unlock_irq(&desc->lock);
+                raw_spin_unlock_irq(&desc->lock);
         }
         mutex_unlock(&probing_active);
 
@@ -171,7 +171,7 @@ int probe_irq_off(unsigned long val)
         unsigned int status;
 
         for_each_irq_desc(i, desc) {
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 status = desc->status;
 
                 if (status & IRQ_AUTODETECT) {
@@ -183,7 +183,7 @@ int probe_irq_off(unsigned long val)
                         desc->status = status & ~IRQ_AUTODETECT;
                         desc->chip->shutdown(i);
                 }
-                spin_unlock_irq(&desc->lock);
+                raw_spin_unlock_irq(&desc->lock);
         }
         mutex_unlock(&probing_active);
 
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index ba566c261ad..ecc3fa28f66 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -34,7 +34,7 @@ void dynamic_irq_init(unsigned int irq)
         }
 
         /* Ensure we don't have left over values from a previous use of this irq */
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->status = IRQ_DISABLED;
         desc->chip = &no_irq_chip;
         desc->handle_irq = handle_bad_irq;
@@ -51,7 +51,7 @@ void dynamic_irq_init(unsigned int irq)
         cpumask_clear(desc->pending_mask);
 #endif
 #endif
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 /**
@@ -68,9 +68,9 @@ void dynamic_irq_cleanup(unsigned int irq)
                 return;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         if (desc->action) {
-                spin_unlock_irqrestore(&desc->lock, flags);
+                raw_spin_unlock_irqrestore(&desc->lock, flags);
                 WARN(1, KERN_ERR "Destroying IRQ%d without calling free_irq\n",
                         irq);
                 return;
@@ -82,7 +82,7 @@ void dynamic_irq_cleanup(unsigned int irq)
         desc->chip = &no_irq_chip;
         desc->name = NULL;
         clear_kstat_irqs(desc);
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 
@@ -104,10 +104,10 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
         if (!chip)
                 chip = &no_irq_chip;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         irq_chip_set_defaults(chip);
         desc->chip = chip;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         return 0;
 }
@@ -133,9 +133,9 @@ int set_irq_type(unsigned int irq, unsigned int type)
         if (type == IRQ_TYPE_NONE)
                 return 0;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         ret = __irq_set_trigger(desc, irq, type);
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return ret;
 }
 EXPORT_SYMBOL(set_irq_type);
@@ -158,9 +158,9 @@ int set_irq_data(unsigned int irq, void *data)
                 return -EINVAL;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->handler_data = data;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return 0;
 }
 EXPORT_SYMBOL(set_irq_data);
@@ -183,11 +183,11 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
                 return -EINVAL;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->msi_desc = entry;
         if (entry)
                 entry->irq = irq;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return 0;
 }
 
@@ -214,9 +214,9 @@ int set_irq_chip_data(unsigned int irq, void *data)
                 return -EINVAL;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->chip_data = data;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         return 0;
 }
@@ -241,12 +241,12 @@ void set_irq_nested_thread(unsigned int irq, int nest)
         if (!desc)
                 return;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         if (nest)
                 desc->status |= IRQ_NESTED_THREAD;
         else
                 desc->status &= ~IRQ_NESTED_THREAD;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 EXPORT_SYMBOL_GPL(set_irq_nested_thread);
 
@@ -343,7 +343,7 @@ void handle_nested_irq(unsigned int irq)
 
         might_sleep();
 
-        spin_lock_irq(&desc->lock);
+        raw_spin_lock_irq(&desc->lock);
 
         kstat_incr_irqs_this_cpu(irq, desc);
 
@@ -352,17 +352,17 @@ void handle_nested_irq(unsigned int irq)
                 goto out_unlock;
 
         desc->status |= IRQ_INPROGRESS;
-        spin_unlock_irq(&desc->lock);
+        raw_spin_unlock_irq(&desc->lock);
 
         action_ret = action->thread_fn(action->irq, action->dev_id);
         if (!noirqdebug)
                 note_interrupt(irq, desc, action_ret);
 
-        spin_lock_irq(&desc->lock);
+        raw_spin_lock_irq(&desc->lock);
         desc->status &= ~IRQ_INPROGRESS;
 
 out_unlock:
-        spin_unlock_irq(&desc->lock);
+        raw_spin_unlock_irq(&desc->lock);
 }
 EXPORT_SYMBOL_GPL(handle_nested_irq);
 
@@ -384,7 +384,7 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
         struct irqaction *action;
         irqreturn_t action_ret;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
 
         if (unlikely(desc->status & IRQ_INPROGRESS))
                 goto out_unlock;
@@ -396,16 +396,16 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
                 goto out_unlock;
 
         desc->status |= IRQ_INPROGRESS;
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         action_ret = handle_IRQ_event(irq, action);
         if (!noirqdebug)
                 note_interrupt(irq, desc, action_ret);
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         desc->status &= ~IRQ_INPROGRESS;
 out_unlock:
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 
 /**
@@ -424,7 +424,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
         struct irqaction *action;
         irqreturn_t action_ret;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         mask_ack_irq(desc, irq);
 
         if (unlikely(desc->status & IRQ_INPROGRESS))
@@ -441,13 +441,13 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
                 goto out_unlock;
 
         desc->status |= IRQ_INPROGRESS;
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         action_ret = handle_IRQ_event(irq, action);
         if (!noirqdebug)
                 note_interrupt(irq, desc, action_ret);
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         desc->status &= ~IRQ_INPROGRESS;
 
         if (unlikely(desc->status & IRQ_ONESHOT))
@@ -455,7 +455,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
         else if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
                 desc->chip->unmask(irq);
 out_unlock:
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 EXPORT_SYMBOL_GPL(handle_level_irq);
 
@@ -475,7 +475,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
         struct irqaction *action;
         irqreturn_t action_ret;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
 
         if (unlikely(desc->status & IRQ_INPROGRESS))
                 goto out;
@@ -497,18 +497,18 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 
         desc->status |= IRQ_INPROGRESS;
         desc->status &= ~IRQ_PENDING;
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         action_ret = handle_IRQ_event(irq, action);
         if (!noirqdebug)
                 note_interrupt(irq, desc, action_ret);
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         desc->status &= ~IRQ_INPROGRESS;
 out:
         desc->chip->eoi(irq);
 
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 
 /**
@@ -530,7 +530,7 @@ out:
 void
 handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 {
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
 
         desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
 
@@ -576,17 +576,17 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
                 }
 
                 desc->status &= ~IRQ_PENDING;
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
                 action_ret = handle_IRQ_event(irq, action);
                 if (!noirqdebug)
                         note_interrupt(irq, desc, action_ret);
-                spin_lock(&desc->lock);
+                raw_spin_lock(&desc->lock);
 
         } while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
 
         desc->status &= ~IRQ_INPROGRESS;
 out_unlock:
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 
 /**
@@ -643,7 +643,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
         }
 
         chip_bus_lock(irq, desc);
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
 
         /* Uninstall? */
         if (handle == handle_bad_irq) {
@@ -661,7 +661,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
                 desc->depth = 0;
                 desc->chip->startup(irq);
         }
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         chip_bus_sync_unlock(irq, desc);
 }
 EXPORT_SYMBOL_GPL(__set_irq_handler);
@@ -692,9 +692,9 @@ void __init set_irq_noprobe(unsigned int irq)
                 return;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->status |= IRQ_NOPROBE;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 void __init set_irq_probe(unsigned int irq)
@@ -707,7 +707,7 @@ void __init set_irq_probe(unsigned int irq)
                 return;
         }
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         desc->status &= ~IRQ_NOPROBE;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 17c71bb565c..814940e7f48 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -80,7 +80,7 @@ static struct irq_desc irq_desc_init = {
         .chip       = &no_irq_chip,
         .handle_irq = handle_bad_irq,
         .depth      = 1,
-        .lock       = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
+        .lock       = __RAW_SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
 };
 
 void __ref init_kstat_irqs(struct irq_desc *desc, int node, int nr)
@@ -108,7 +108,7 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
 {
         memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
 
-        spin_lock_init(&desc->lock);
+        raw_spin_lock_init(&desc->lock);
         desc->irq = irq;
 #ifdef CONFIG_SMP
         desc->node = node;
@@ -130,7 +130,7 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
 /*
  * Protect the sparse_irqs:
  */
-DEFINE_SPINLOCK(sparse_irq_lock);
+DEFINE_RAW_SPINLOCK(sparse_irq_lock);
 
 struct irq_desc **irq_desc_ptrs __read_mostly;
 
@@ -141,7 +141,7 @@ static struct irq_desc irq_desc_legacy[NR_IRQS_LEGACY] __cacheline_aligned_in_sm
                 .chip       = &no_irq_chip,
                 .handle_irq = handle_bad_irq,
                 .depth      = 1,
-                .lock       = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
+                .lock       = __RAW_SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
         }
 };
 
@@ -212,7 +212,7 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
         if (desc)
                 return desc;
 
-        spin_lock_irqsave(&sparse_irq_lock, flags);
+        raw_spin_lock_irqsave(&sparse_irq_lock, flags);
 
         /* We have to check it to avoid races with another CPU */
         desc = irq_desc_ptrs[irq];
@@ -234,7 +234,7 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
         irq_desc_ptrs[irq] = desc;
 
 out_unlock:
-        spin_unlock_irqrestore(&sparse_irq_lock, flags);
+        raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
 
         return desc;
 }
@@ -247,7 +247,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
                 .chip = &no_irq_chip,
                 .handle_irq = handle_bad_irq,
                 .depth = 1,
-                .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+                .lock = __RAW_SPIN_LOCK_UNLOCKED(irq_desc->lock),
         }
 };
 
@@ -473,7 +473,7 @@ unsigned int __do_IRQ(unsigned int irq)
                 return 1;
         }
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         if (desc->chip->ack)
                 desc->chip->ack(irq);
         /*
@@ -517,13 +517,13 @@ unsigned int __do_IRQ(unsigned int irq)
         for (;;) {
                 irqreturn_t action_ret;
 
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
 
                 action_ret = handle_IRQ_event(irq, action);
                 if (!noirqdebug)
                         note_interrupt(irq, desc, action_ret);
 
-                spin_lock(&desc->lock);
+                raw_spin_lock(&desc->lock);
                 if (likely(!(desc->status & IRQ_PENDING)))
                         break;
                 desc->status &= ~IRQ_PENDING;
@@ -536,7 +536,7 @@ out:
          * disabled while the handler was running.
          */
         desc->chip->end(irq);
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         return 1;
 }
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 1b5d742c6a7..b2821f070a3 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -18,7 +18,7 @@ extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume);
 extern struct lock_class_key irq_desc_lock_class;
 extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
 extern void clear_kstat_irqs(struct irq_desc *desc);
-extern spinlock_t sparse_irq_lock;
+extern raw_spinlock_t sparse_irq_lock;
 
 #ifdef CONFIG_SPARSE_IRQ
 /* irq_desc_ptrs allocated at boot time */
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7305b297d1e..eb6078ca60c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -46,9 +46,9 @@ void synchronize_irq(unsigned int irq)
                         cpu_relax();
 
                 /* Ok, that indicated we're done: double-check carefully. */
-                spin_lock_irqsave(&desc->lock, flags);
+                raw_spin_lock_irqsave(&desc->lock, flags);
                 status = desc->status;
-                spin_unlock_irqrestore(&desc->lock, flags);
+                raw_spin_unlock_irqrestore(&desc->lock, flags);
 
                 /* Oops, that failed? */
         } while (status & IRQ_INPROGRESS);
@@ -114,7 +114,7 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
         if (!desc->chip->set_affinity)
                 return -EINVAL;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
         if (desc->status & IRQ_MOVE_PCNTXT) {
@@ -134,7 +134,7 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
         }
 #endif
         desc->status |= IRQ_AFFINITY_SET;
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return 0;
 }
 
@@ -181,11 +181,11 @@ int irq_select_affinity_usr(unsigned int irq)
         unsigned long flags;
         int ret;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         ret = setup_affinity(irq, desc);
         if (!ret)
                 irq_set_thread_affinity(desc);
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         return ret;
 }
@@ -231,9 +231,9 @@ void disable_irq_nosync(unsigned int irq)
                 return;
 
         chip_bus_lock(irq, desc);
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         __disable_irq(desc, irq, false);
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         chip_bus_sync_unlock(irq, desc);
 }
 EXPORT_SYMBOL(disable_irq_nosync);
@@ -308,9 +308,9 @@ void enable_irq(unsigned int irq)
                 return;
 
         chip_bus_lock(irq, desc);
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         __enable_irq(desc, irq, false);
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         chip_bus_sync_unlock(irq, desc);
 }
 EXPORT_SYMBOL(enable_irq);
@@ -347,7 +347,7 @@ int set_irq_wake(unsigned int irq, unsigned int on)
         /* wakeup-capable irqs can be shared between drivers that
          * don't need to have the same sleep mode behaviors.
          */
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         if (on) {
                 if (desc->wake_depth++ == 0) {
                         ret = set_irq_wake_real(irq, on);
@@ -368,7 +368,7 @@ int set_irq_wake(unsigned int irq, unsigned int on)
                 }
         }
 
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return ret;
 }
 EXPORT_SYMBOL(set_irq_wake);
@@ -484,12 +484,12 @@ static int irq_wait_for_interrupt(struct irqaction *action)
 static void irq_finalize_oneshot(unsigned int irq, struct irq_desc *desc)
 {
         chip_bus_lock(irq, desc);
-        spin_lock_irq(&desc->lock);
+        raw_spin_lock_irq(&desc->lock);
         if (!(desc->status & IRQ_DISABLED) && (desc->status & IRQ_MASKED)) {
                 desc->status &= ~IRQ_MASKED;
                 desc->chip->unmask(irq);
         }
-        spin_unlock_irq(&desc->lock);
+        raw_spin_unlock_irq(&desc->lock);
         chip_bus_sync_unlock(irq, desc);
 }
 
@@ -514,9 +514,9 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
                 return;
         }
 
-        spin_lock_irq(&desc->lock);
+        raw_spin_lock_irq(&desc->lock);
         cpumask_copy(mask, desc->affinity);
-        spin_unlock_irq(&desc->lock);
+        raw_spin_unlock_irq(&desc->lock);
 
         set_cpus_allowed_ptr(current, mask);
         free_cpumask_var(mask);
@@ -545,7 +545,7 @@ static int irq_thread(void *data)
 
                 atomic_inc(&desc->threads_active);
 
-                spin_lock_irq(&desc->lock);
+                raw_spin_lock_irq(&desc->lock);
                 if (unlikely(desc->status & IRQ_DISABLED)) {
                         /*
                          * CHECKME: We might need a dedicated
@@ -555,9 +555,9 @@ static int irq_thread(void *data)
                          * retriggers the interrupt itself --- tglx
                          */
                         desc->status |= IRQ_PENDING;
-                        spin_unlock_irq(&desc->lock);
+                        raw_spin_unlock_irq(&desc->lock);
                 } else {
-                        spin_unlock_irq(&desc->lock);
+                        raw_spin_unlock_irq(&desc->lock);
 
                         action->thread_fn(action->irq, action->dev_id);
 
@@ -679,7 +679,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
         /*
          * The following block of code has to be executed atomically
          */
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         old_ptr = &desc->action;
         old = *old_ptr;
         if (old) {
@@ -775,7 +775,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
                 __enable_irq(desc, irq, false);
         }
 
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         /*
          * Strictly no need to wake it up, but hung_task complains
@@ -802,7 +802,7 @@ mismatch:
         ret = -EBUSY;
 
 out_thread:
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         if (new->thread) {
                 struct task_struct *t = new->thread;
 
@@ -844,7 +844,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
         if (!desc)
                 return NULL;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
 
         /*
          * There can be multiple actions per IRQ descriptor, find the right
@@ -856,7 +856,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
 
                 if (!action) {
                         WARN(1, "Trying to free already-free IRQ %d\n", irq);
-                        spin_unlock_irqrestore(&desc->lock, flags);
+                        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
                         return NULL;
                 }
@@ -884,7 +884,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
                         desc->chip->disable(irq);
         }
 
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         unregister_handler_proc(irq, action);
 
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index fcb6c96f262..24196228083 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -27,7 +27,7 @@ void move_masked_irq(int irq)
         if (!desc->chip->set_affinity)
                 return;
 
-        assert_spin_locked(&desc->lock);
+        assert_raw_spin_locked(&desc->lock);
 
         /*
          * If there was a valid mask to work with, please
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 3fd30197da2..26bac9d8f86 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -42,7 +42,7 @@ static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc,
                                 "for migration.\n", irq);
                 return false;
         }
-        spin_lock_init(&desc->lock);
+        raw_spin_lock_init(&desc->lock);
         desc->node = node;
         lockdep_set_class(&desc->lock, &irq_desc_lock_class);
         init_copy_kstat_irqs(old_desc, desc, node, nr_cpu_ids);
@@ -67,7 +67,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
 
         irq = old_desc->irq;
 
-        spin_lock_irqsave(&sparse_irq_lock, flags);
+        raw_spin_lock_irqsave(&sparse_irq_lock, flags);
 
         /* We have to check it to avoid races with another CPU */
         desc = irq_desc_ptrs[irq];
@@ -91,7 +91,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
         }
 
         irq_desc_ptrs[irq] = desc;
-        spin_unlock_irqrestore(&sparse_irq_lock, flags);
+        raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
 
         /* free the old one */
         free_one_irq_desc(old_desc, desc);
@@ -100,7 +100,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
         return desc;
 
 out_unlock:
-        spin_unlock_irqrestore(&sparse_irq_lock, flags);
+        raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
 
         return desc;
 }
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index a0bb09e7986..0d4005d85b0 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -28,9 +28,9 @@ void suspend_device_irqs(void)
         for_each_irq_desc(irq, desc) {
                 unsigned long flags;
 
-                spin_lock_irqsave(&desc->lock, flags);
+                raw_spin_lock_irqsave(&desc->lock, flags);
                 __disable_irq(desc, irq, true);
-                spin_unlock_irqrestore(&desc->lock, flags);
+                raw_spin_unlock_irqrestore(&desc->lock, flags);
         }
 
         for_each_irq_desc(irq, desc)
@@ -56,9 +56,9 @@ void resume_device_irqs(void)
                 if (!(desc->status & IRQ_SUSPENDED))
                         continue;
 
-                spin_lock_irqsave(&desc->lock, flags);
+                raw_spin_lock_irqsave(&desc->lock, flags);
                 __enable_irq(desc, irq, true);
-                spin_unlock_irqrestore(&desc->lock, flags);
+                raw_spin_unlock_irqrestore(&desc->lock, flags);
         }
 }
 EXPORT_SYMBOL_GPL(resume_device_irqs);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 0832145fea9..6f50eccc79c 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -179,7 +179,7 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
         unsigned long flags;
         int ret = 1;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
         for (action = desc->action ; action; action = action->next) {
                 if ((action != new_action) && action->name &&
                                 !strcmp(new_action->name, action->name)) {
@@ -187,7 +187,7 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
                         break;
                 }
         }
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
         return ret;
 }
 
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index e49ea1c5232..89fb90ae534 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -28,7 +28,7 @@ static int try_one_irq(int irq, struct irq_desc *desc)
         struct irqaction *action;
         int ok = 0, work = 0;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         /* Already running on another processor */
         if (desc->status & IRQ_INPROGRESS) {
                 /*
@@ -37,13 +37,13 @@ static int try_one_irq(int irq, struct irq_desc *desc)
                  */
                 if (desc->action && (desc->action->flags & IRQF_SHARED))
                         desc->status |= IRQ_PENDING;
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
                 return ok;
         }
         /* Honour the normal IRQ locking */
         desc->status |= IRQ_INPROGRESS;
         action = desc->action;
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         while (action) {
                 /* Only shared IRQ handlers are safe to call */
@@ -56,7 +56,7 @@ static int try_one_irq(int irq, struct irq_desc *desc)
         }
         local_irq_disable();
         /* Now clean up the flags */
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         action = desc->action;
 
         /*
@@ -68,9 +68,9 @@ static int try_one_irq(int irq, struct irq_desc *desc)
                  * Perform real IRQ processing for the IRQ we deferred
                  */
                 work = 1;
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
                 handle_IRQ_event(irq, action);
-                spin_lock(&desc->lock);
+                raw_spin_lock(&desc->lock);
                 desc->status &= ~IRQ_PENDING;
         }
         desc->status &= ~IRQ_INPROGRESS;
@@ -80,7 +80,7 @@ static int try_one_irq(int irq, struct irq_desc *desc)
          */
         if (work && desc->chip && desc->chip->end)
                 desc->chip->end(irq);
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         return ok;
 }