Blackfin: Rename IRQ flags handling functions

Rename h/w IRQ flags handling functions to be in line with what is expected for
the irq renaming patch.  This renames local_*_hw() to hard_local_*() using the
following perl command:

	perl -pi -e 's/local_irq_(restore|enable|disable)_hw/hard_local_irq_\1/ or s/local_irq_save_hw([_a-z]*)[(]flags[)]/flags = hard_local_irq_save\1()/' `find arch/blackfin/ -name "*.[ch]"`

and then fixing up asm/irqflags.h manually.

Additionally, arch/hard_local_save_flags() and arch/hard_local_irq_save() both
return the flags rather than passing it through the argument list.

Signed-off-by: David Howells <dhowells@redhat.com>

arch/blackfin/include/asm/mmu_context.h

@@ -97,8 +97,8 @@ static inline void __switch_mm(struct mm_struct *prev_mm, struct mm_struct *next
 }
 
 #ifdef CONFIG_IPIPE
-#define lock_mm_switch(flags)	local_irq_save_hw_cond(flags)
-#define unlock_mm_switch(flags)	local_irq_restore_hw_cond(flags)
+#define lock_mm_switch(flags)	flags = hard_local_irq_save_cond()
+#define unlock_mm_switch(flags)	hard_local_irq_restore_cond(flags)
 #else
 #define lock_mm_switch(flags)	do { (void)(flags); } while (0)
 #define unlock_mm_switch(flags)	do { (void)(flags); } while (0)
@@ -205,9 +205,9 @@ static inline void destroy_context(struct mm_struct *mm)
 }
 
 #define ipipe_mm_switch_protect(flags)		\
-	local_irq_save_hw_cond(flags)
+	flags = hard_local_irq_save_cond()
 
 #define ipipe_mm_switch_unprotect(flags)	\
-	local_irq_restore_hw_cond(flags)
+	hard_local_irq_restore_cond(flags)
 
 #endif