staging: android: ion: Get rid of ion_reserve

ion_reserve was supposed to be used to reserve memory in board files.
These days, board files are no more and there are other more controlled
mechanisms for reserving memory. Get rid of this function.

Signed-off-by: Laura Abbott <labbott@redhat.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index cd73082..7138a5b 100644 (file)
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -1650,37 +1650,3 @@ void ion_device_destroy(struct ion_device *dev)
 }
 EXPORT_SYMBOL(ion_device_destroy);
 
-void __init ion_reserve(struct ion_platform_data *data)
-{
-       int i;
-
-       for (i = 0; i < data->nr; i++) {
-               if (data->heaps[i].size == 0)
-                       continue;
-
-               if (data->heaps[i].base == 0) {
-                       phys_addr_t paddr;
-
-                       paddr = memblock_alloc_base(data->heaps[i].size,
-                                                   data->heaps[i].align,
-                                                   MEMBLOCK_ALLOC_ANYWHERE);
-                       if (!paddr) {
-                               pr_err("%s: error allocating memblock for heap %d\n",
-                                       __func__, i);
-                               continue;
-                       }
-                       data->heaps[i].base = paddr;
-               } else {
-                       int ret = memblock_reserve(data->heaps[i].base,
-                                              data->heaps[i].size);
-                       if (ret)
-                               pr_err("memblock reserve of %zx@%lx failed\n",
-                                      data->heaps[i].size,
-                                      data->heaps[i].base);
-               }
-               pr_info("%s: %s reserved base %lx size %zu\n", __func__,
-                       data->heaps[i].name,
-                       data->heaps[i].base,
-                       data->heaps[i].size);
-       }
-}

diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
index 97eb7a7..93dafb4 100644 (file)
--- a/drivers/staging/android/ion/ion.h
+++ b/drivers/staging/android/ion/ion.h
@@ -73,17 +73,6 @@ struct ion_platform_data {
 };
 
 /**
- * ion_reserve() - reserve memory for ion heaps if applicable
- * @data:      platform data specifying starting physical address and
- *             size
- *
- * Calls memblock reserve to set aside memory for heaps that are
- * located at specific memory addresses or of specific sizes not
- * managed by the kernel
- */
-void ion_reserve(struct ion_platform_data *data);
-
-/**
  * ion_client_create() -  allocate a client and returns it
  * @dev:               the global ion device
  * @name:              used for debugging