staging: tidspbridge - remove reserved memory clean up

Now iommv module keeps track of iommu memory used,
we do not need resource cleanup for reserved
memories anymore.

Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 36 deletions

diff --git a/drivers/staging/tidspbridge/rmgr/proc.c b/drivers/staging/tidspbridge/rmgr/proc.c
index 59c946bb3ed..e5fec572903 100644
--- a/drivers/staging/tidspbridge/rmgr/proc.c
+++ b/drivers/staging/tidspbridge/rmgr/proc.c
@@ -1515,7 +1515,6 @@ int proc_reserve_memory(void *hprocessor, u32 ul_size,
         struct dmm_object *dmm_mgr;
         int status = 0;
         struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
-        struct dmm_rsv_object *rsv_obj;
 
         if (!p_proc_object) {
                 status = -EFAULT;
@@ -1529,22 +1528,6 @@ int proc_reserve_memory(void *hprocessor, u32 ul_size,
         }
 
         status = dmm_reserve_memory(dmm_mgr, ul_size, (u32 *) pp_rsv_addr);
-        if (status != 0)
-                goto func_end;
-
-        /*
-         * A successful reserve should be followed by insertion of rsv_obj
-         * into dmm_rsv_list, so that reserved memory resource tracking
-         * remains uptodate
-         */
-        rsv_obj = kmalloc(sizeof(struct dmm_rsv_object), GFP_KERNEL);
-        if (rsv_obj) {
-                rsv_obj->dsp_reserved_addr = (u32) *pp_rsv_addr;
-                spin_lock(&pr_ctxt->dmm_rsv_lock);
-                list_add(&rsv_obj->link, &pr_ctxt->dmm_rsv_list);
-                spin_unlock(&pr_ctxt->dmm_rsv_lock);
-        }
-
 func_end:
         dev_dbg(bridge, "%s: hprocessor: 0x%p ul_size: 0x%x pp_rsv_addr: 0x%p "
                 "status 0x%x\n", __func__, hprocessor,
@@ -1756,7 +1739,6 @@ int proc_un_reserve_memory(void *hprocessor, void *prsv_addr,
         struct dmm_object *dmm_mgr;
         int status = 0;
         struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
-        struct dmm_rsv_object *rsv_obj;
 
         if (!p_proc_object) {
                 status = -EFAULT;
@@ -1770,24 +1752,6 @@ int proc_un_reserve_memory(void *hprocessor, void *prsv_addr,
         }
 
         status = dmm_un_reserve_memory(dmm_mgr, (u32) prsv_addr);
-        if (status != 0)
-                goto func_end;
-
-        /*
-         * A successful unreserve should be followed by removal of rsv_obj
-         * from dmm_rsv_list, so that reserved memory resource tracking
-         * remains uptodate
-         */
-        spin_lock(&pr_ctxt->dmm_rsv_lock);
-        list_for_each_entry(rsv_obj, &pr_ctxt->dmm_rsv_list, link) {
-                if (rsv_obj->dsp_reserved_addr == (u32) prsv_addr) {
-                        list_del(&rsv_obj->link);
-                        kfree(rsv_obj);
-                        break;
-                }
-        }
-        spin_unlock(&pr_ctxt->dmm_rsv_lock);
-
 func_end:
         dev_dbg(bridge, "%s: hprocessor: 0x%p prsv_addr: 0x%p status: 0x%x\n",
                 __func__, hprocessor, prsv_addr, status);