[PARISC] remove remnants of parisc-specific softirq code

Kyle,

This patch removes remnants of softirq support that we no longer need.
I suspect this was just overlooked when willy convert parisc to generic
IRQ support.

Tested on c3600 32-bit UP.
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
[and tested on a c8000 64-bit SMP --kyle]
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

arch/parisc/kernel/entry.S

@@ -954,21 +954,6 @@ intr_return:
 	/* NOTE: Need to enable interrupts incase we schedule. */
 	ssm     PSW_SM_I, %r0
 
-	/* Check for software interrupts */
-
-	.import irq_stat,data
-
-	load32	irq_stat,%r19
-#ifdef CONFIG_SMP
-	mfctl   %cr30,%r1
-	ldw	TI_CPU(%r1),%r1 /* get cpu # - int */
-	/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) amount
-	** irq_stat[] is defined using ____cacheline_aligned.
-	*/
-	SHLREG	%r1,L1_CACHE_SHIFT,%r20
-	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 intr_check_resched:
 
 	/* check for reschedule */
@@ -2055,24 +2040,6 @@ ENTRY(syscall_exit)
 	 */
 	loadgp
 
-syscall_check_bh:
-
-	/* Check for software interrupts */
-
-	.import irq_stat,data
-
-	load32	irq_stat,%r19
-
-#ifdef CONFIG_SMP
-	/* sched.h: int processor */
-	/* %r26 is used as scratch register to index into irq_stat[] */
-	ldw     TI_CPU-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 /* cpu # */
-
-	/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) bits */
-	SHLREG	%r26,L1_CACHE_SHIFT,%r20
-	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 syscall_check_resched:
 
 	/* check for reschedule */
@@ -2244,7 +2211,7 @@ syscall_do_resched:
 #else
 	nop
 #endif
-	b       syscall_check_bh  /* if resched, we start over again */
+	b	syscall_check_resched	/* if resched, we start over again */
 	nop
 ENDPROC(syscall_exit)