c_sys_to_da(priv, res.start, resource_size(&res), &da))
 			return -EINVAL;
 
-		cpu_addr = devm_ioremap_resource_wc(dev, &res);
-		if (IS_ERR(cpu_addr)) {
-			dev_err(dev, "failed to map memory %pR\n", &res);
-			return PTR_ERR(cpu_addr);
-		}
-
 		/* Register memory region */
-		mem = rproc_mem_entry_init(dev, (void __force *)cpu_addr, (dma_addr_t)res.start,
-					   resource_size(&res), da, NULL, NULL,
+		mem = rproc_mem_entry_init(dev, NULL, (dma_addr_t)res.start,
+					   resource_size(&res), da,
+					    imx_dsp_rproc_mem_alloc,
+					    imx_dsp_rproc_mem_release,
 					   "%.*s", strchrnul(res.name, '@') - res.name, res.name);
 		if (!mem)
 			return -ENOMEM;
-- 
2.51.0[PATCH 6.19 506/781] remoteproc: imx_dsp_rproc: Fix multiple start/stop operationsGreg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined¯?†˜.