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authorJeff Garzik <jeff@garzik.org>2007-12-14 03:14:13 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-12 03:28:12 +0300
commit736f77deaf6b0bf51eaab1ea5d074adc11b8c7cd (patch)
treebe70097e65b8a139ca99364e64c4ee296e0c7078 /drivers/scsi/sym53c416.c
parentbaa9aac6a15a1990e9d2d7a5648f53dfccc440ad (diff)
downloadlinux-736f77deaf6b0bf51eaab1ea5d074adc11b8c7cd.tar.xz
[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>
Diffstat (limited to 'drivers/scsi/sym53c416.c')
-rw-r--r--drivers/scsi/sym53c416.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c
index 90cee94d9522..1f6fd1680335 100644
--- 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);