staging: ti dspbridge: remove unused code

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/tidspbridge/core/_tiomap.h

@@ -339,11 +339,7 @@ struct bridge_dev_context {
 	 */
 	/* DMMU TLB entries */
 	struct bridge_ioctl_extproc atlb_entry[BRDIOCTL_NUMOFMMUTLB];
-	u32 dw_brd_state;	/* Last known board state. */
-	u32 ul_int_mask;	/* int mask */
-	u16 io_base;		/* Board I/O base */
-	u32 num_tlb_entries;	/* DSP MMU TLB entry counter */
-	u32 fixed_tlb_entries;	/* Fixed DSPMMU TLB entry count */
+	u32 dw_brd_state;       /* Last known board state. */
 
 	/* TC Settings */
 	bool tc_word_swap_on;	/* Traffic Controller Word Swap */

drivers/staging/tidspbridge/core/tiomap3430.c

@@ -837,7 +837,6 @@ static int bridge_dev_create(OUT struct bridge_dev_context
 		dev_context->atlb_entry[entry_ndx].ul_gpp_pa =
 		    dev_context->atlb_entry[entry_ndx].ul_dsp_va = 0;
 	}
-	dev_context->num_tlb_entries = 0;
 	dev_context->dw_dsp_base_addr = (u32) MEM_LINEAR_ADDRESS((void *)
 								 (pConfig->
 								  dw_mem_base
@@ -940,7 +939,6 @@ static int bridge_dev_create(OUT struct bridge_dev_context
 	}
 	if (DSP_SUCCEEDED(status)) {
 		dev_context->hdev_obj = hdev_obj;
-		dev_context->ul_int_mask = 0;
 		/* Store current board state. */
 		dev_context->dw_brd_state = BRD_STOPPED;
 		dev_context->resources = resources;

drivers/staging/tidspbridge/core/ue_deh.c

@@ -109,8 +109,6 @@ int bridge_deh_destroy(struct deh_mgr *deh_mgr)
 	if (!deh_mgr)
 		return -EFAULT;
 
-	/* Release dummy VA buffer */
-	bridge_deh_release_dummy_mem();
 	/* If notification object exists, delete it */
 	if (deh_mgr->ntfy_obj) {
 		ntfy_delete(deh_mgr->ntfy_obj);
@@ -145,7 +143,6 @@ int bridge_deh_register_notify(struct deh_mgr *deh_mgr, u32 event_mask,
 void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo)
 {
 	struct bridge_dev_context *dev_context;
-	u32 hw_mmu_max_tlb_count = 31;
 	struct cfg_hostres *resources;
 	struct hw_mmu_map_attrs_t map_attrs = {
 		.endianism = HW_LITTLE_ENDIAN,
@@ -189,16 +186,6 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo)
 		print_dsp_trace_buffer(dev_context);
 		dump_dl_modules(dev_context);
 
-		/*
-		 * Reset the dynamic mmu index to fixed count if it exceeds
-		 * 31. So that the dynmmuindex is always between the range of
-		 * standard/fixed entries and 31.
-		 */
-		if (dev_context->num_tlb_entries >
-				hw_mmu_max_tlb_count) {
-			dev_context->num_tlb_entries =
-				dev_context->fixed_tlb_entries;
-		}
 		hw_mmu_tlb_add(resources->dw_dmmu_base,
 				virt_to_phys(dummy_va_addr), fault_addr,
 				HW_PAGE_SIZE4KB, 1,
@@ -275,7 +262,3 @@ int bridge_deh_get_info(struct deh_mgr *deh_mgr,
 
 	return 0;
 }
-
-void bridge_deh_release_dummy_mem(void)
-{
-}

drivers/staging/tidspbridge/include/dspbridge/dspdeh.h

@@ -43,5 +43,4 @@ extern int bridge_deh_register_notify(struct deh_mgr *deh_mgr,
 extern void bridge_deh_notify(struct deh_mgr *deh_mgr,
 		u32 ulEventMask, u32 dwErrInfo);
 
-extern void bridge_deh_release_dummy_mem(void);
 #endif /* DSPDEH_ */

drivers/staging/tidspbridge/rmgr/proc.c

@@ -1632,11 +1632,6 @@ int proc_stop(void *hprocessor)
 		status = -EFAULT;
 		goto func_end;
 	}
-	if (DSP_SUCCEEDED((*p_proc_object->intf_fxns->pfn_brd_status)
-			  (p_proc_object->hbridge_context, &brd_state))) {
-		if (brd_state == BRD_ERROR)
-			bridge_deh_release_dummy_mem();
-	}
 	/* check if there are any running nodes */
 	status = dev_get_node_manager(p_proc_object->hdev_obj, &hnode_mgr);
 	if (DSP_SUCCEEDED(status) && hnode_mgr) {