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scripts: imx-usb-loader: do DCD only once, cleanup

Only the first encountered DCD block should be processed, optional DCD
processing may be switched off by command option.
Clean up the corresponding logic.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Alexander Kurz 2016-08-21 21:54:06 +02:00 committed by Sascha Hauer
parent a2b88410ea
commit a6e1dbebd1
1 changed files with 6 additions and 9 deletions

View File

@ -45,7 +45,6 @@
#define FT_LOAD_ONLY 0x00
int verbose;
static int skip_image_dcd;
static struct libusb_device_handle *usb_dev_handle;
static struct usb_id *usb_id;
@ -67,7 +66,7 @@ struct mach_id {
struct usb_work {
char filename[256];
unsigned char dcd;
unsigned char do_dcd_once;
unsigned char plug;
};
@ -980,9 +979,6 @@ static int perform_dcd(unsigned char *p, const unsigned char *file_start,
struct imx_flash_header_v2 *hdr = (struct imx_flash_header_v2 *)p;
int ret = 0;
if (skip_image_dcd)
return 0;
switch (usb_id->mach_id->header_type) {
case HDR_MX51:
ret = write_dcd_table_old(ohdr, file_start, cnt);
@ -1066,13 +1062,13 @@ static int process_header(struct usb_work *curr, unsigned char *buf, int cnt,
return ret;
}
if (curr->dcd) {
if (curr->do_dcd_once) {
ret = perform_dcd(p, buf, cnt);
if (ret < 0) {
printf("!!perform_dcd returned %i\n", ret);
return ret;
}
curr->dcd = 0;
curr->do_dcd_once = 0;
}
if (*p_plugin && (!curr->plug) && (!header_cnt)) {
@ -1264,6 +1260,8 @@ int main(int argc, char *argv[])
int opt;
char *initfile = NULL;
w.do_dcd_once = 1;
while ((opt = getopt(argc, argv, "cvhi:s")) != -1) {
switch (opt) {
case 'c':
@ -1278,7 +1276,7 @@ int main(int argc, char *argv[])
initfile = optarg;
break;
case 's':
skip_image_dcd = 1;
w.do_dcd_once = 0;
break;
default:
exit(1);
@ -1292,7 +1290,6 @@ int main(int argc, char *argv[])
}
w.plug = 1;
w.dcd = 1;
strncpy(w.filename, argv[optind], sizeof(w.filename) - 1);
r = libusb_init(NULL);