From 5ae4fd94a3b2d2b285cff294a5a23c52e21db208 Mon Sep 17 00:00:00 2001 From: Omar Ramirez Luna Date: Wed, 24 Oct 2012 17:09:19 -0500 Subject: [PATCH] staging: tidspbridge: ioremap physical address of the stack segment in shm Due to data type change, readl can no longer receive a u32. Signed-off-by: Omar Ramirez Luna Signed-off-by: Greg Kroah-Hartman --- drivers/staging/tidspbridge/rmgr/node.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c index c2fc613..294e9b4 100644 --- a/drivers/staging/tidspbridge/rmgr/node.c +++ b/drivers/staging/tidspbridge/rmgr/node.c @@ -304,8 +304,7 @@ int node_allocate(struct proc_object *hprocessor, u32 pul_value; u32 dynext_base; u32 off_set = 0; - u32 ul_stack_seg_addr, ul_stack_seg_val; - u32 ul_gpp_mem_base; + u32 ul_stack_seg_val; struct cfg_hostres *host_res; struct bridge_dev_context *pbridge_context; u32 mapped_addr = 0; @@ -581,6 +580,9 @@ func_cont: if (strcmp((char *) pnode->dcd_props.obj_data.node_obj.ndb_props. stack_seg_name, STACKSEGLABEL) == 0) { + void __iomem *stack_seg; + u32 stack_seg_pa; + status = hnode_mgr->nldr_fxns. get_fxn_addr(pnode->nldr_node_obj, "DYNEXT_BEG", @@ -608,14 +610,21 @@ func_cont: goto func_end; } - ul_gpp_mem_base = (u32) host_res->mem_base[1]; off_set = pul_value - dynext_base; - ul_stack_seg_addr = ul_gpp_mem_base + off_set; - ul_stack_seg_val = readl(ul_stack_seg_addr); + stack_seg_pa = host_res->mem_phys[1] + off_set; + stack_seg = ioremap(stack_seg_pa, SZ_32); + if (!stack_seg) { + status = -ENOMEM; + goto func_end; + } + + ul_stack_seg_val = readl(stack_seg); + + iounmap(stack_seg); dev_dbg(bridge, "%s: StackSegVal = 0x%x, StackSegAddr =" " 0x%x\n", __func__, ul_stack_seg_val, - ul_stack_seg_addr); + host_res->mem_base[1] + off_set); pnode->create_args.asa.task_arg_obj.stack_seg = ul_stack_seg_val; -- 2.7.4