add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/scripts/basic/fixdep.c
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@@ -77,11 +77,6 @@
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  * dependencies on include/config/my/option.h for every
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  * CONFIG_MY_OPTION encountered in any of the prerequisites.
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  *
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- * It will also filter out all the dependencies on *.ver. We need
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- * to make sure that the generated version checksum are globally up
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- * to date before even starting the recursive build, so it's too late
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- * at this point anyway.
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- *
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  * We don't even try to really parse the header files, but
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  * merely grep, i.e. if CONFIG_FOO is mentioned in a comment, it will
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  * be picked up as well. It's not a problem with respect to
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@@ -99,15 +94,45 @@
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 #include <unistd.h>
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 #include <fcntl.h>
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 #include <string.h>
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+#include <stdarg.h>
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 #include <stdlib.h>
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 #include <stdio.h>
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 #include <ctype.h>
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 static void usage(void)
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 {
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-	fprintf(stderr, "Usage: fixdep [-e] <depfile> <target> <cmdline>\n");
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-	fprintf(stderr, " -e  insert extra dependencies given on stdin\n");
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+	fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
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 	exit(1);
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+}
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+
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+/*
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+ * In the intended usage of this program, the stdout is redirected to .*.cmd
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+ * files. The return value of printf() and putchar() must be checked to catch
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+ * any error, e.g. "No space left on device".
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+ */
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+static void xprintf(const char *format, ...)
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+{
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+	va_list ap;
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+	int ret;
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+
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+	va_start(ap, format);
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+	ret = vprintf(format, ap);
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+	if (ret < 0) {
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+		perror("fixdep");
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+		exit(1);
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+	}
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+	va_end(ap);
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+}
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+
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+static void xputchar(int c)
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+{
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+	int ret;
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+
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+	ret = putchar(c);
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+	if (ret == EOF) {
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+		perror("fixdep");
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+		exit(1);
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+	}
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 }
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 /*
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@@ -117,7 +142,7 @@
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 {
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 	int c, prev_c = '/', i;
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144
 
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-	printf("    $(wildcard %s/", dir);
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+	xprintf("    $(wildcard %s/", dir);
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 	for (i = 0; i < slen; i++) {
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 		c = m[i];
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 		if (c == '_')
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@@ -125,32 +150,17 @@
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 		else
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 			c = tolower(c);
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 		if (c != '/' || prev_c != '/')
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-			putchar(c);
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+			xputchar(c);
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 		prev_c = c;
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 	}
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-	printf(".h) \\\n");
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-}
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-
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-static void do_extra_deps(void)
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-{
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-	char buf[80];
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-
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-	while (fgets(buf, sizeof(buf), stdin)) {
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-		int len = strlen(buf);
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-
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-		if (len < 2 || buf[len - 1] != '\n') {
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-			fprintf(stderr, "fixdep: bad data on stdin\n");
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-			exit(1);
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-		}
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-		print_dep(buf, len - 1, "include/ksym");
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-	}
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+	xprintf(".h) \\\n");
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 }
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 struct item {
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 	struct item	*next;
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 	unsigned int	len;
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 	unsigned int	hash;
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-	char		name[0];
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+	char		name[];
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 };
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 #define HASHSZ 256
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@@ -236,7 +246,7 @@
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 		}
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 		p += 7;
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 		q = p;
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-		while (*q && (isalnum(*q) || *q == '_'))
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+		while (isalnum(*q) || *q == '_')
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 			q++;
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 		if (str_ends_with(p, q - p, "_MODULE"))
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 			r = q - 7;
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@@ -284,8 +294,7 @@
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 static int is_ignored_file(const char *s, int len)
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 {
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 	return str_ends_with(s, len, "include/generated/autoconf.h") ||
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-	       str_ends_with(s, len, "include/generated/autoksyms.h") ||
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-	       str_ends_with(s, len, ".ver");
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+	       str_ends_with(s, len, "include/generated/autoksyms.h");
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 }
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 /*
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@@ -293,7 +302,7 @@
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  * assignments are parsed not only by make, but also by the rather simple
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  * parser in scripts/mod/sumversion.c.
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  */
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-static void parse_dep_file(char *m, const char *target, int insert_extra_deps)
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+static void parse_dep_file(char *m, const char *target)
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 {
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 	char *p;
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 	int is_last, is_target;
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@@ -340,13 +349,13 @@
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 				 */
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 				if (!saw_any_target) {
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 					saw_any_target = 1;
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-					printf("source_%s := %s\n\n",
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-					       target, m);
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-					printf("deps_%s := \\\n", target);
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+					xprintf("source_%s := %s\n\n",
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+						target, m);
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+					xprintf("deps_%s := \\\n", target);
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 				}
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 				is_first_dep = 0;
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 			} else {
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-				printf("  %s \\\n", m);
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+				xprintf("  %s \\\n", m);
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 			}
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 			buf = read_file(m);
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@@ -369,33 +378,26 @@
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 		exit(1);
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 	}
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-	if (insert_extra_deps)
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-		do_extra_deps();
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-
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-	printf("\n%s: $(deps_%s)\n\n", target, target);
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-	printf("$(deps_%s):\n", target);
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+	xprintf("\n%s: $(deps_%s)\n\n", target, target);
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+	xprintf("$(deps_%s):\n", target);
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 }
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 int main(int argc, char *argv[])
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 {
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 	const char *depfile, *target, *cmdline;
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-	int insert_extra_deps = 0;
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 	void *buf;
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-	if (argc == 5 && !strcmp(argv[1], "-e")) {
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-		insert_extra_deps = 1;
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-		argv++;
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-	} else if (argc != 4)
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+	if (argc != 4)
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 		usage();
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 	depfile = argv[1];
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 	target = argv[2];
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 	cmdline = argv[3];
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-	printf("cmd_%s := %s\n\n", target, cmdline);
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+	xprintf("cmd_%s := %s\n\n", target, cmdline);
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 	buf = read_file(depfile);
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-	parse_dep_file(buf, target, insert_extra_deps);
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+	parse_dep_file(buf, target);
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 	free(buf);
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 	return 0;