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fdt: Tidy up the code a bit with fdt addr

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Clean up the code a little before changing it.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-07-21 14:55:25 -06:00
parent 1c6608bd92
commit 0c929631a2
1 changed files with 13 additions and 24 deletions
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37
cmd/fdt.c
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@ -115,26 +115,20 @@ static int do_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (argc < 2)
return CMD_RET_USAGE;
/*
* Set the address of the fdt
*/
/* fdt addr: Set the address of the fdt */
if (strncmp(argv[1], "ad", 2) == 0) {
unsigned long addr;
int control = 0;
struct fdt_header *blob;
/*
* Set the address [and length] of the fdt.
*/
/* Set the address [and length] of the fdt */
argc -= 2;
argv += 2;
/* Temporary #ifdef - some archs don't have fdt_blob yet */
#ifdef CONFIG_OF_CONTROL
if (argc && !strcmp(*argv, "-c")) {
control = 1;
argc--;
argv++;
}
#endif
if (argc == 0) {
if (control)
blob = (struct fdt_header *)gd->fdt_blob;
@ -160,22 +154,18 @@ static int do_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (argc >= 2) {
int len;
int err;
/*
* Optional new length
*/
/* Optional new length */
len = simple_strtoul(argv[1], NULL, 16);
if (len < fdt_totalsize(blob)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
len, fdt_totalsize(blob));
printf("New length %d < existing length %d, ignoring\n",
len, fdt_totalsize(blob));
} else {
/*
* Open in place with a new length.
*/
/* Open in place with a new length */
err = fdt_open_into(blob, blob, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
printf("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
}
}
}
@ -184,10 +174,9 @@ static int do_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
}
if (!working_fdt) {
puts(
"No FDT memory address configured. Please configure\n"
"the FDT address via \"fdt addr <address>\" command.\n"
"Aborting!\n");
puts("No FDT memory address configured. Please configure\n"
"the FDT address via \"fdt addr <address>\" command.\n"
"Aborting!\n");
return CMD_RET_FAILURE;
}