Sun-3x ESP SCSI clean up

@@ -46,12 +46,6 @@
 static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp);
 static void dma_advance_sg (Scsi_Cmnd *sp);
 
-static volatile unsigned char cmd_buffer[16];
-                                /* This is where all commands are put
-                                 * before they are trasfered to the ESP chip
-                                 * via PIO.
-                                 */
-
 /* Detecting ESP chips on the machine.  This is the simple and easy
  * version.
  */

@@ -101,14 +95,8 @@
 	esp->eregs = (struct ESP_regs *)(SUN3X_ESP_BASE);
 	esp->dregs = (void *)SUN3X_ESP_DMA;
 
-#if 0
-  	esp->esp_command = (volatile unsigned char *)cmd_buffer;
- 	esp->esp_command_dvma = dvma_map((unsigned long)cmd_buffer,
- 					 sizeof (cmd_buffer));
-#else
 	esp->esp_command = (volatile unsigned char *)dvma_malloc(DVMA_PAGE_SIZE);
 	esp->esp_command_dvma = dvma_vtob((unsigned long)esp->esp_command);
-#endif
 
 	esp->irq = 2;
 	if (request_irq(esp->irq, esp_intr, SA_INTERRUPT,