SDMMC: set the supported max/min frequency

[firefly-linux-kernel-4.4.55.git] / scripts / kallsyms.c

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index e3902fb39afd1f2c53f63c0cfa9aaa1273956a02..9a11f9f799f499f2d34d1dea3dec48feb36db00f 100644 (file)
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -55,6 +55,7 @@ static struct sym_entry *table;
 static unsigned int table_size, table_cnt;
 static int all_symbols = 0;
 static char symbol_prefix_char = '\0';
+static unsigned long long kernel_start_addr = 0;
 
 int token_profit[0x10000];
 
@@ -65,7 +66,10 @@ unsigned char best_table_len[256];
 
 static void usage(void)
 {
-       fprintf(stderr, "Usage: kallsyms [--all-symbols] [--symbol-prefix=<prefix char>] < in.map > out.S\n");
+       fprintf(stderr, "Usage: kallsyms [--all-symbols] "
+                       "[--symbol-prefix=<prefix char>] "
+                       "[--page-offset=<CONFIG_PAGE_OFFSET>] "
+                       "< in.map > out.S\n");
        exit(1);
 }
 
@@ -107,12 +111,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 
        rc = fscanf(in, "%llx %c %499s\n", &s->addr, &stype, str);
        if (rc != 3) {
-               if (rc != EOF) {
-                       /* skip line. sym is used as dummy to
-                        * shut of "warn_unused_result" warning.
-                        */
-                       sym = fgets(str, 500, in);
-               }
+               if (rc != EOF && fgets(str, 500, in) == NULL)
+                       fprintf(stderr, "Read error or end of file.\n");
                return -1;
        }
 
@@ -198,6 +198,9 @@ static int symbol_valid(struct sym_entry *s)
        int i;
        int offset = 1;
 
+       if (s->addr < kernel_start_addr)
+               return 0;
+
        /* skip prefix char */
        if (symbol_prefix_char && *(s->sym + 1) == symbol_prefix_char)
                offset++;
@@ -504,6 +507,8 @@ static void optimize_result(void)
 
                        /* find the token with the breates profit value */
                        best = find_best_token();
+                       if (token_profit[best] == 0)
+                               break;
 
                        /* place it in the "best" table */
                        best_table_len[i] = 2;
@@ -648,6 +653,9 @@ int main(int argc, char **argv)
                                if ((*p == '"' && *(p+2) == '"') || (*p == '\'' && *(p+2) == '\''))
                                        p++;
                                symbol_prefix_char = *p;
+                       } else if (strncmp(argv[i], "--page-offset=", 14) == 0) {
+                               const char *p = &argv[i][14];
+                               kernel_start_addr = strtoull(p, NULL, 16);
                        } else
                                usage();
                }