1 files changed, 10 insertions, 68 deletions

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 31e0fbb0d82..4e64724cb9a 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -6,7 +6,6 @@
  * Copyright (C) 1998  Jakub Jelinek    (jj@ultra.linux.cz)
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/ptrace.h>
@@ -151,7 +150,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
-		seq_printf(p, " %9s", irq_desc[i].handler->typename);
+		seq_printf(p, " %9s", irq_desc[i].chip->typename);
 		seq_printf(p, "  %s", action->name);
 
 		for (action=action->next; action; action = action->next)
@@ -224,7 +223,7 @@ static inline struct ino_bucket *virt_irq_to_bucket(unsigned int virt_irq)
 #ifdef CONFIG_SMP
 static int irq_choose_cpu(unsigned int virt_irq)
 {
-	cpumask_t mask = irq_affinity[virt_irq];
+	cpumask_t mask = irq_desc[virt_irq].affinity;
 	int cpuid;
 
 	if (cpus_equal(mask, CPU_MASK_ALL)) {
@@ -414,8 +413,12 @@ void irq_install_pre_handler(int virt_irq,
 	data->pre_handler_arg1 = arg1;
 	data->pre_handler_arg2 = arg2;
 
-	desc->handler = (desc->handler == &sun4u_irq ?
-			 &sun4u_irq_ack : &sun4v_irq_ack);
+	if (desc->chip == &sun4u_irq_ack ||
+	    desc->chip == &sun4v_irq_ack)
+		return;
+
+	desc->chip = (desc->chip == &sun4u_irq ?
+		      &sun4u_irq_ack : &sun4v_irq_ack);
 }
 
 unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
@@ -431,7 +434,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
 	bucket = &ivector_table[ino];
 	if (!bucket->virt_irq) {
 		bucket->virt_irq = virt_irq_alloc(__irq(bucket));
-		irq_desc[bucket->virt_irq].handler = &sun4u_irq;
+		irq_desc[bucket->virt_irq].chip = &sun4u_irq;
 	}
 
 	desc = irq_desc + bucket->virt_irq;
@@ -465,7 +468,7 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
 	bucket = &ivector_table[sysino];
 	if (!bucket->virt_irq) {
 		bucket->virt_irq = virt_irq_alloc(__irq(bucket));
-		irq_desc[bucket->virt_irq].handler = &sun4v_irq;
+		irq_desc[bucket->virt_irq].chip = &sun4v_irq;
 	}
 
 	desc = irq_desc + bucket->virt_irq;
@@ -563,67 +566,6 @@ void handler_irq(int irq, struct pt_regs *regs)
 	irq_exit();
 }
 
-#ifdef CONFIG_BLK_DEV_FD
-extern irqreturn_t floppy_interrupt(int, void *, struct pt_regs *);
-
-/* XXX No easy way to include asm/floppy.h XXX */
-extern unsigned char *pdma_vaddr;
-extern unsigned long pdma_size;
-extern volatile int doing_pdma;
-extern unsigned long fdc_status;
-
-irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie, struct pt_regs *regs)
-{
-	if (likely(doing_pdma)) {
-		void __iomem *stat = (void __iomem *) fdc_status;
-		unsigned char *vaddr = pdma_vaddr;
-		unsigned long size = pdma_size;
-		u8 val;
-
-		while (size) {
-			val = readb(stat);
-			if (unlikely(!(val & 0x80))) {
-				pdma_vaddr = vaddr;
-				pdma_size = size;
-				return IRQ_HANDLED;
-			}
-			if (unlikely(!(val & 0x20))) {
-				pdma_vaddr = vaddr;
-				pdma_size = size;
-				doing_pdma = 0;
-				goto main_interrupt;
-			}
-			if (val & 0x40) {
-				/* read */
-				*vaddr++ = readb(stat + 1);
-			} else {
-				unsigned char data = *vaddr++;
-
-				/* write */
-				writeb(data, stat + 1);
-			}
-			size--;
-		}
-
-		pdma_vaddr = vaddr;
-		pdma_size = size;
-
-		/* Send Terminal Count pulse to floppy controller. */
-		val = readb(auxio_register);
-		val |= AUXIO_AUX1_FTCNT;
-		writeb(val, auxio_register);
-		val &= ~AUXIO_AUX1_FTCNT;
-		writeb(val, auxio_register);
-
-		doing_pdma = 0;
-	}
-
-main_interrupt:
-	return floppy_interrupt(irq, dev_cookie, regs);
-}
-EXPORT_SYMBOL(sparc_floppy_irq);
-#endif
-
 struct sun5_timer {
 	u64	count0;
 	u64	limit0;