lkml.org 
[lkml]   [2012]   [May]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 6/6] 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>
---
fs/pstore/ram_core.c | 77 --------------------------------------------
include/linux/pstore_ram.h | 19 -----------
2 files changed, 96 deletions(-)
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index e0d8429..b216381 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);
@@ -455,78 +453,3 @@ 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
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index 7ed7fd4..d1d7d51 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -25,21 +25,6 @@

struct persistent_ram_buffer;

-struct persistent_ram_descriptor {
- const char *name;
- phys_addr_t size;
-};
-
-struct persistent_ram {
- phys_addr_t start;
- phys_addr_t size;
-
- int num_descs;
- struct persistent_ram_descriptor *descs;
-
- struct list_head node;
-};
-
struct persistent_ram_zone {
phys_addr_t paddr;
size_t size;
@@ -63,14 +48,10 @@ struct persistent_ram_zone {
size_t old_log_size;
};

-int persistent_ram_early_init(struct persistent_ram *ram);
-
struct persistent_ram_zone * __init persistent_ram_new(phys_addr_t start,
size_t size,
bool ecc);
void persistent_ram_free(struct persistent_ram_zone *prz);
-struct persistent_ram_zone *persistent_ram_init_ringbuffer(struct device *dev,
- bool ecc);

int persistent_ram_write(struct persistent_ram_zone *prz, const void *s,
unsigned int count);
--
1.7.9.2

\
 
 \ /
  Last update: 2012-05-17 11:21    [W:0.182 / U:0.484 seconds]
©2003-2014 Jasper Spaans. Advertise on this site