[SCSI] sym53c416: kill pointless irq handler loop and test

- kill pointless irq handler loop to find base address, it is already
  passed to irq handler via Scsi_Host.

- kill now-pointless !base test.
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/sym53c416.c

@@ -328,27 +328,13 @@ static __inline__ unsigned int sym53c416_write(int base, unsigned char *buffer,
 static irqreturn_t sym53c416_intr_handle(int irq, void *dev_id)
 {
 	struct Scsi_Host *dev = dev_id;
-	int base = 0;
+	int base = dev->io_port;
 	int i;
 	unsigned long flags = 0;
 	unsigned char status_reg, pio_int_reg, int_reg;
 	struct scatterlist *sg;
 	unsigned int tot_trans = 0;
 
-	/* We search the base address of the host adapter which caused the interrupt */
-	/* FIXME: should pass dev_id sensibly as hosts[i] */
-	for(i = 0; i < host_index && !base; i++)
-		if(irq == hosts[i].irq)
-			base = hosts[i].base;
-	/* If no adapter found, we cannot handle the interrupt. Leave a message */
-	/* and continue. This should never happen...                            */
-	if(!base)
-	{
-		printk(KERN_ERR "sym53c416: No host adapter defined for interrupt %d\n", irq);
-		return IRQ_NONE;
-	}
-	/* Now we have the base address and we can start handling the interrupt */
-
 	spin_lock_irqsave(dev->host_lock,flags);
 	status_reg = inb(base + STATUS_REG);
 	pio_int_reg = inb(base + PIO_INT_REG);