[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: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c
index 90cee94d9522df03d493a833ed7297c368bc9126..1f6fd16803351f7d67940d864cfdca2148eec3c7 100644 (file)
--- a/drivers/scsi/sym53c416.c
+++ b/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);