[PARISC] Remove the spurious do_softirq calls from entry.S

remove the spurious do_softirq calls from entry.S

With these in we were calling do_softirq twice; plus the calls in
entry.S took no account of nesting.
Signed-off-by: James Bottomley <jejb@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

arch/parisc/kernel/entry.S

@@ -970,9 +970,6 @@ intr_return:
 	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
 #endif /* CONFIG_SMP */
 
-	LDREG   IRQSTAT_SIRQ_PEND(%r19),%r20    /* hardirq.h: unsigned long */
-	cmpib,<>,n 0,%r20,intr_do_softirq /* forward */
-
 intr_check_resched:
 
 	/* check for reschedule */
@@ -1017,17 +1014,6 @@ intr_restore:
 	nop
 	nop
 
-	.import do_softirq,code
-intr_do_softirq:
-	BL      do_softirq,%r2
-#ifdef CONFIG_64BIT
-	ldo	-16(%r30),%r29		/* Reference param save area */
-#else
-	nop
-#endif
-	b       intr_check_resched
-	nop
-
 	.import schedule,code
 intr_do_resched:
 	/* Only do reschedule if we are returning to user space */
@@ -2096,9 +2082,6 @@ syscall_check_bh:
 	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
 #endif /* CONFIG_SMP */
 
-	LDREG   IRQSTAT_SIRQ_PEND(%r19),%r20    /* hardirq.h: unsigned long */
-	cmpib,<>,n 0,%r20,syscall_do_softirq /* forward */
-
 syscall_check_resched:
 
 	/* check for reschedule */
@@ -2236,16 +2219,6 @@ pt_regs_ok:
 	b	intr_restore
 	nop
 
-	.import do_softirq,code
-syscall_do_softirq:
-	BL      do_softirq,%r2
-	nop
-	/* NOTE: We enable I-bit incase we schedule later,
-	 * and we might be going back to userspace if we were
-	 * traced. */
-	b       syscall_check_resched
-	ssm     PSW_SM_I, %r0  /* do_softirq returns with I bit off */
-
 	.import schedule,code
 syscall_do_resched:
 	BL	schedule,%r2