cciss: remove sendcmd() as it is no longer used.

cciss: remove sendcmd() as it is no longer used.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index f804542c1cf23f61aa87c1f451d3bf2ddd44c553..23c2910aa7bbf8ec163c4c3f5a0b786358fa851c 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -190,8 +190,6 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
 static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
                                           __u32);
 static void start_io(ctlr_info_t *h);
-static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size,
-                  __u8 page_code, unsigned char *scsi3addr, int cmd_type);
 static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
                        __u8 page_code, unsigned char scsi3addr[],
                        int cmd_type);
@@ -2807,167 +2805,6 @@ static int cciss_revalidate(struct gendisk *disk)
        return 0;
 }
 
-/*
- *   Wait polling for a command to complete.
- *   The memory mapped FIFO is polled for the completion.
- *   Used only at init time, interrupts from the HBA are disabled.
- */
-static unsigned long pollcomplete(int ctlr)
-{
-       unsigned long done;
-       int i;
-
-       /* Wait (up to 20 seconds) for a command to complete */
-
-       for (i = 20 * HZ; i > 0; i--) {
-               done = hba[ctlr]->access.command_completed(hba[ctlr]);
-               if (done == FIFO_EMPTY)
-                       schedule_timeout_uninterruptible(1);
-               else
-                       return done;
-       }
-       /* Invalid address to tell caller we ran out of time */
-       return 1;
-}
-
-/* Send command c to controller h and poll for it to complete.
- * Turns interrupts off on the board.  Used at driver init time
- * and during SCSI error recovery.
- */
-static int sendcmd_core(ctlr_info_t *h, CommandList_struct *c)
-{
-       int i;
-       unsigned long complete;
-       int status = IO_ERROR;
-       u64bit buff_dma_handle;
-
-resend_cmd1:
-
-       /* Disable interrupt on the board. */
-       h->access.set_intr_mask(h, CCISS_INTR_OFF);
-
-       /* Make sure there is room in the command FIFO */
-       /* Actually it should be completely empty at this time */
-       /* unless we are in here doing error handling for the scsi */
-       /* tape side of the driver. */
-       for (i = 200000; i > 0; i--) {
-               /* if fifo isn't full go */
-               if (!(h->access.fifo_full(h)))
-                       break;
-               udelay(10);
-               printk(KERN_WARNING "cciss cciss%d: SendCmd FIFO full,"
-                      " waiting!\n", h->ctlr);
-       }
-       h->access.submit_command(h, c); /* Send the cmd */
-       do {
-               complete = pollcomplete(h->ctlr);
-
-#ifdef CCISS_DEBUG
-               printk(KERN_DEBUG "cciss: command completed\n");
-#endif                         /* CCISS_DEBUG */
-
-               if (complete == 1) {
-                       printk(KERN_WARNING
-                              "cciss cciss%d: SendCmd Timeout out, "
-                              "No command list address returned!\n", h->ctlr);
-                       status = IO_ERROR;
-                       break;
-               }
-
-               /* Make sure it's the command we're expecting. */
-               if ((complete & ~CISS_ERROR_BIT) != c->busaddr) {
-                       printk(KERN_WARNING "cciss%d: Unexpected command "
-                               "completion.\n", h->ctlr);
-                       continue;
-               }
-
-               /* It is our command.  If no error, we're done. */
-               if (!(complete & CISS_ERROR_BIT)) {
-                       status = IO_OK;
-                       break;
-               }
-
-               /* There is an error... */
-
-               /* if data overrun or underun on Report command ignore it */
-               if (((c->Request.CDB[0] == CISS_REPORT_LOG) ||
-                    (c->Request.CDB[0] == CISS_REPORT_PHYS) ||
-                    (c->Request.CDB[0] == CISS_INQUIRY)) &&
-                       ((c->err_info->CommandStatus == CMD_DATA_OVERRUN) ||
-                        (c->err_info->CommandStatus == CMD_DATA_UNDERRUN))) {
-                       complete = c->busaddr;
-                       status = IO_OK;
-                       break;
-               }
-
-               if (c->err_info->CommandStatus == CMD_UNSOLICITED_ABORT) {
-                       printk(KERN_WARNING "cciss%d: unsolicited abort %p\n",
-                               h->ctlr, c);
-                       if (c->retry_count < MAX_CMD_RETRIES) {
-                               printk(KERN_WARNING "cciss%d: retrying %p\n",
-                                  h->ctlr, c);
-                               c->retry_count++;
-                               /* erase the old error information */
-                               memset(c->err_info, 0, sizeof(c->err_info));
-                               goto resend_cmd1;
-                       }
-                       printk(KERN_WARNING "cciss%d: retried %p too many "
-                               "times\n", h->ctlr, c);
-                       status = IO_ERROR;
-                       break;
-               }
-
-               if (c->err_info->CommandStatus == CMD_UNABORTABLE) {
-                       printk(KERN_WARNING "cciss%d: command could not be "
-                               "aborted.\n", h->ctlr);
-                       status = IO_ERROR;
-                       break;
-               }
-
-               if (c->err_info->CommandStatus == CMD_TARGET_STATUS) {
-                       status = check_target_status(h, c);
-                       break;
-               }
-
-               printk(KERN_WARNING "cciss%d: sendcmd error\n", h->ctlr);
-               printk(KERN_WARNING "cmd = 0x%02x, CommandStatus = 0x%02x\n",
-                       c->Request.CDB[0], c->err_info->CommandStatus);
-               status = IO_ERROR;
-               break;
-
-       } while (1);
-
-       /* unlock the data buffer from DMA */
-       buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
-       buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
-       pci_unmap_single(h->pdev, (dma_addr_t) buff_dma_handle.val,
-                        c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
-       return status;
-}
-
-/*
- * Send a command to the controller, and wait for it to complete.
- * Used at init time, and during SCSI error recovery.
- */
-static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size,
-       __u8 page_code, unsigned char *scsi3addr, int cmd_type)
-{
-       CommandList_struct *c;
-       int status;
-
-       c = cmd_alloc(hba[ctlr], 1);
-       if (!c) {
-               printk(KERN_WARNING "cciss: unable to get memory");
-               return IO_ERROR;
-       }
-       status = fill_cmd(c, cmd, ctlr, buff, size, page_code,
-               scsi3addr, cmd_type);
-       if (status == IO_OK)
-               status = sendcmd_core(hba[ctlr], c);
-       cmd_free(hba[ctlr], c, 1);
-       return status;
-}
-
 /*
  * Map (physical) PCI mem into (virtual) kernel space
  */