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path: root/drivers/staging/brcm80211/brcmsmac/nvram.c
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Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/nvram.c')
-rw-r--r--drivers/staging/brcm80211/brcmsmac/nvram.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/nvram.c b/drivers/staging/brcm80211/brcmsmac/nvram.c
deleted file mode 100644
index 085ec0b9224f..000000000000
--- a/drivers/staging/brcm80211/brcmsmac/nvram.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <bcmdefs.h>
-#include <bcmutils.h>
-#include <bcmnvram.h>
-#include <sbchipc.h>
-#include <bcmdevs.h>
-#include <hndsoc.h>
-
-#define NVR_MSG(x)
-
-typedef struct _vars {
- struct _vars *next;
- int bufsz; /* allocated size */
- int size; /* actual vars size */
- char *vars;
-} vars_t;
-
-#define VARS_T_OH sizeof(vars_t)
-
-static vars_t *vars;
-
-#define NVRAM_FILE 1
-
-static char *findvar(char *vars, char *lim, const char *name);
-
-int nvram_init(void)
-{
-
- /* Make sure we read nvram in flash just once before freeing the memory */
- if (vars != NULL) {
- NVR_MSG(("nvram_init: called again without calling nvram_exit()\n"));
- return 0;
- }
- return 0;
-}
-
-int nvram_append(char *varlst, uint varsz)
-{
- uint bufsz = VARS_T_OH;
- vars_t *new;
-
- new = kmalloc(bufsz, GFP_ATOMIC);
- if (new == NULL)
- return -ENOMEM;
-
- new->vars = varlst;
- new->bufsz = bufsz;
- new->size = varsz;
- new->next = vars;
- vars = new;
-
- return 0;
-}
-
-void nvram_exit(void)
-{
- vars_t *this, *next;
-
- this = vars;
- if (this)
- kfree(this->vars);
-
- while (this) {
- next = this->next;
- kfree(this);
- this = next;
- }
- vars = NULL;
-}
-
-static char *findvar(char *vars, char *lim, const char *name)
-{
- char *s;
- int len;
-
- len = strlen(name);
-
- for (s = vars; (s < lim) && *s;) {
- if ((memcmp(s, name, len) == 0) && (s[len] == '='))
- return &s[len + 1];
-
- while (*s++)
- ;
- }
-
- return NULL;
-}
-
-/*
- * Search the name=value vars for a specific one and return its value.
- * Returns NULL if not found.
- */
-char *getvar(char *vars, const char *name)
-{
- char *s;
- int len;
-
- if (!name)
- return NULL;
-
- len = strlen(name);
- if (len == 0)
- return NULL;
-
- /* first look in vars[] */
- for (s = vars; s && *s;) {
- if ((memcmp(s, name, len) == 0) && (s[len] == '='))
- return &s[len + 1];
-
- while (*s++)
- ;
- }
- /* then query nvram */
- return nvram_get(name);
-}
-
-/*
- * Search the vars for a specific one and return its value as
- * an integer. Returns 0 if not found.
- */
-int getintvar(char *vars, const char *name)
-{
- char *val;
-
- val = getvar(vars, name);
- if (val == NULL)
- return 0;
-
- return simple_strtoul(val, NULL, 0);
-}
-
-char *nvram_get(const char *name)
-{
- char *v = NULL;
- vars_t *cur;
-
- for (cur = vars; cur; cur = cur->next) {
- v = findvar(cur->vars, cur->vars + cur->size, name);
- if (v)
- break;
- }
-
- return v;
-}
-
-int nvram_set(const char *name, const char *value)
-{
- return 0;
-}
-
-int nvram_unset(const char *name)
-{
- return 0;
-}
-
-int nvram_reset(void)
-{
- return 0;
-}
-
-int nvram_commit(void)
-{
- return 0;
-}
-
-int nvram_getall(char *buf, int count)
-{
- int len, resid = count;
- vars_t *this;
-
- this = vars;
- while (this) {
- char *from, *lim, *to;
- int acc;
-
- from = this->vars;
- lim = (char *)(this->vars + this->size);
- to = buf;
- acc = 0;
- while ((from < lim) && (*from)) {
- len = strlen(from) + 1;
- if (resid < (acc + len))
- return -EOVERFLOW;
- memcpy(to, from, len);
- acc += len;
- from += len;
- to += len;
- }
-
- resid -= acc;
- buf += acc;
- this = this->next;
- }
- if (resid < 1)
- return -EOVERFLOW;
- *buf = '\0';
- return 0;
-}