bootstage: Adjust to use const * where possible

There are a few places that should use const *, such as
bootstage_unstash(). Update these to make it clearer when parameters are
changed.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/common/bootstage.c b/common/bootstage.c
index 9ef931fd8313f844afa848c684143f10b451c69d..61479d7f07925ab604bfe605c2e13cd978a8fb09 100644 (file)
--- a/common/bootstage.c
+++ b/common/bootstage.c
@@ -205,7 +205,7 @@ uint32_t bootstage_accum(enum bootstage_id id)
  * @return pointer to name, either from the record or pointing to buf.
  */
 static const char *get_record_name(char *buf, int len,
-                                  struct bootstage_record *rec)
+                                  const struct bootstage_record *rec)
 {
        if (rec->name)
                return rec->name;
@@ -361,9 +361,9 @@ static void append_data(char **ptrp, char *end, const void *data, int size)
 
 int bootstage_stash(void *base, int size)
 {
-       struct bootstage_data *data = gd->bootstage;
+       const struct bootstage_data *data = gd->bootstage;
        struct bootstage_hdr *hdr = (struct bootstage_hdr *)base;
-       struct bootstage_record *rec;
+       const struct bootstage_record *rec;
        char buf[20];
        char *ptr = base, *end = ptr + size;
        uint32_t count;
@@ -414,12 +414,12 @@ int bootstage_stash(void *base, int size)
        return 0;
 }
 
-int bootstage_unstash(void *base, int size)
+int bootstage_unstash(const void *base, int size)
 {
+       const struct bootstage_hdr *hdr = (struct bootstage_hdr *)base;
        struct bootstage_data *data = gd->bootstage;
-       struct bootstage_hdr *hdr = (struct bootstage_hdr *)base;
+       const char *ptr = base, *end = ptr + size;
        struct bootstage_record *rec;
-       char *ptr = base, *end = ptr + size;
        uint rec_size;
        int i;
 

diff --git a/include/bootstage.h b/include/bootstage.h
index 848769bd1f4b01a5606c72d5fa95f8ab509a6d55..5f4fffaffbde436f4d69a3555b3fa045df78e9e1 100644 (file)
--- a/include/bootstage.h
+++ b/include/bootstage.h
@@ -333,7 +333,7 @@ int bootstage_stash(void *base, int size);
  *     there is not space for read the stacked data, or other error if
  *     something else went wrong
  */
-int bootstage_unstash(void *base, int size);
+int bootstage_unstash(const void *base, int size);
 
 /**
  * bootstage_get_size() - Get the size of the bootstage data
@@ -406,7 +406,7 @@ static inline int bootstage_stash(void *base, int size)
        return 0;       /* Pretend to succeed */
 }
 
-static inline int bootstage_unstash(void *base, int size)
+static inline int bootstage_unstash(const void *base, int size)
 {
        return 0;       /* Pretend to succeed */
 }