1 files changed, 19 insertions, 17 deletions

diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index b8d22034b9a6..a7256775fb98 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -30,10 +30,10 @@
 #include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/kthread.h>
-#include <asm/unistd.h>
+#include <linux/unistd.h>
+#include <linux/io.h>
 #include <asm/system.h>
 #include <asm/atomic.h>
-#include <asm/io.h>
 
 DEFINE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
 
@@ -90,6 +90,7 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
         struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr();
         struct ipipe_domain *this_domain, *next_domain;
         struct list_head *head, *pos;
+        struct ipipe_irqdesc *idesc;
         int m_ack, s = -1;
 
         /*
@@ -100,17 +101,20 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
          */
         m_ack = (regs == NULL || irq == IRQ_SYSTMR || irq == IRQ_CORETMR);
         this_domain = __ipipe_current_domain;
+        idesc = &this_domain->irqs[irq];
 
-        if (unlikely(test_bit(IPIPE_STICKY_FLAG, &this_domain->irqs[irq].control)))
+        if (unlikely(test_bit(IPIPE_STICKY_FLAG, &idesc->control)))
                 head = &this_domain->p_link;
         else {
                 head = __ipipe_pipeline.next;
                 next_domain = list_entry(head, struct ipipe_domain, p_link);
-                if (likely(test_bit(IPIPE_WIRED_FLAG, &next_domain->irqs[irq].control))) {
-                        if (!m_ack && next_domain->irqs[irq].acknowledge != NULL)
-                                next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
+                idesc = &next_domain->irqs[irq];
+                if (likely(test_bit(IPIPE_WIRED_FLAG, &idesc->control))) {
+                        if (!m_ack && idesc->acknowledge != NULL)
+                                idesc->acknowledge(irq, irq_to_desc(irq));
                         if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status))
-                                s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status);
+                                s = __test_and_set_bit(IPIPE_STALL_FLAG,
+                                                       &p->status);
                         __ipipe_dispatch_wired(next_domain, irq);
                         goto out;
                 }
@@ -121,14 +125,15 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
         pos = head;
         while (pos != &__ipipe_pipeline) {
                 next_domain = list_entry(pos, struct ipipe_domain, p_link);
-                if (test_bit(IPIPE_HANDLE_FLAG, &next_domain->irqs[irq].control)) {
+                idesc = &next_domain->irqs[irq];
+                if (test_bit(IPIPE_HANDLE_FLAG, &idesc->control)) {
                         __ipipe_set_irq_pending(next_domain, irq);
-                        if (!m_ack && next_domain->irqs[irq].acknowledge != NULL) {
-                                next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
+                        if (!m_ack && idesc->acknowledge != NULL) {
+                                idesc->acknowledge(irq, irq_to_desc(irq));
                                 m_ack = 1;
                         }
                 }
-                if (!test_bit(IPIPE_PASS_FLAG, &next_domain->irqs[irq].control))
+                if (!test_bit(IPIPE_PASS_FLAG, &idesc->control))
                         break;
                 pos = next_domain->p_link.next;
         }
@@ -333,12 +338,9 @@ asmlinkage void __ipipe_sync_root(void)
 
 void ___ipipe_sync_pipeline(unsigned long syncmask)
 {
-        if (__ipipe_root_domain_p) {
-                if (test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
-                        return;
-        }
+        if (__ipipe_root_domain_p &&
+            test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
+                return;
 
         __ipipe_sync_stage(syncmask);
 }
-
-EXPORT_SYMBOL(show_stack);