pstore/ram_core: Remove now unused code

The code tried to maintain the global list of persistent ram zones,
which isn't a great idea overall, plus since Android's ram_console
is no longer there, we can remove some unused functions.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 77 deletions

diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 78f6d4b2addb..0fd81611525c 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -35,8 +35,6 @@ struct persistent_ram_buffer {
 
 #define PERSISTENT_RAM_SIG (0x43474244) /* DBGC */
 
-static __initdata LIST_HEAD(persistent_ram_list);
-
 static inline size_t buffer_size(struct persistent_ram_zone *prz)
 {
         return atomic_read(&prz->buffer->size);
@@ -462,78 +460,3 @@ err:
         kfree(prz);
         return ERR_PTR(ret);
 }
-
-#ifndef MODULE
-static int __init persistent_ram_buffer_init(const char *name,
-                struct persistent_ram_zone *prz)
-{
-        int i;
-        struct persistent_ram *ram;
-        struct persistent_ram_descriptor *desc;
-        phys_addr_t start;
-
-        list_for_each_entry(ram, &persistent_ram_list, node) {
-                start = ram->start;
-                for (i = 0; i < ram->num_descs; i++) {
-                        desc = &ram->descs[i];
-                        if (!strcmp(desc->name, name))
-                                return persistent_ram_buffer_map(start,
-                                                desc->size, prz);
-                        start += desc->size;
-                }
-        }
-
-        return -EINVAL;
-}
-
-static  __init
-struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
-{
-        struct persistent_ram_zone *prz;
-        int ret = -ENOMEM;
-
-        prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL);
-        if (!prz) {
-                pr_err("persistent_ram: failed to allocate persistent ram zone\n");
-                goto err;
-        }
-
-        ret = persistent_ram_buffer_init(dev_name(dev), prz);
-        if (ret) {
-                pr_err("persistent_ram: failed to initialize buffer\n");
-                goto err;
-        }
-
-        persistent_ram_post_init(prz, ecc);
-
-        return prz;
-err:
-        kfree(prz);
-        return ERR_PTR(ret);
-}
-
-struct persistent_ram_zone * __init
-persistent_ram_init_ringbuffer(struct device *dev, bool ecc)
-{
-        return __persistent_ram_init(dev, ecc);
-}
-
-int __init persistent_ram_early_init(struct persistent_ram *ram)
-{
-        int ret;
-
-        ret = memblock_reserve(ram->start, ram->size);
-        if (ret) {
-                pr_err("Failed to reserve persistent memory from %08lx-%08lx\n",
-                        (long)ram->start, (long)(ram->start + ram->size - 1));
-                return ret;
-        }
-
-        list_add_tail(&ram->node, &persistent_ram_list);
-
-        pr_info("Initialized persistent memory from %08lx-%08lx\n",
-                (long)ram->start, (long)(ram->start + ram->size - 1));
-
-        return 0;
-}
-#endif