[PATCH v2 2/3] imx-usb-loader: Drop nearly unused struct usb_id
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Fri Aug 13 08:22:44 PDT 2021
Only one of the two members of struct usb_id is actually used. So
replace struct usb_id by a struct mach_id.
Signed-off-by: Uwe Kleine-Koenig <u.kleine-koenig at pengutronix.de>
---
scripts/imx/imx-usb-loader.c | 51 ++++++++++++------------------------
1 file changed, 17 insertions(+), 34 deletions(-)
diff --git a/scripts/imx/imx-usb-loader.c b/scripts/imx/imx-usb-loader.c
index cff77f27f264..3e96c86f2f29 100644
--- a/scripts/imx/imx-usb-loader.c
+++ b/scripts/imx/imx-usb-loader.c
@@ -52,7 +52,7 @@
int verbose;
static struct libusb_device_handle *usb_dev_handle;
-static struct usb_id *usb_id;
+static const struct mach_id *mach_id;
struct mach_id {
struct mach_id * next;
@@ -79,11 +79,6 @@ struct usb_work {
unsigned char plug;
};
-struct usb_id {
- const struct mach_id *mach_id;
- struct usb_work *work;
-};
-
static const struct mach_id imx_ids[] = {
{
.vid = 0x066f,
@@ -507,8 +502,8 @@ static int read_file(const char *name, unsigned char **buffer, unsigned *size)
static int transfer(int report, unsigned char *p, unsigned cnt, int *last_trans)
{
int err;
- if (cnt > usb_id->mach_id->max_transfer)
- cnt = usb_id->mach_id->max_transfer;
+ if (cnt > mach_id->max_transfer)
+ cnt = mach_id->max_transfer;
if (verbose > 4) {
printf("report=%i\n", report);
@@ -516,7 +511,7 @@ static int transfer(int report, unsigned char *p, unsigned cnt, int *last_trans)
dump_bytes(p, cnt, 0);
}
- if (usb_id->mach_id->mode == MODE_BULK) {
+ if (mach_id->mode == MODE_BULK) {
*last_trans = 0;
err = libusb_bulk_transfer(usb_dev_handle,
(report < 3) ? 1 : 2 + EP_IN, p, cnt, last_trans, 1000);
@@ -602,7 +597,7 @@ static int do_status(void)
break;
}
- if (usb_id->mach_id->mode == MODE_HID) {
+ if (mach_id->mode == MODE_HID) {
err = transfer(4, tmp, sizeof(tmp), &last_trans);
if (err)
printf("4 in err=%i, last_trans=%i %02x %02x %02x %02x\n",
@@ -810,7 +805,7 @@ static int load_file(void *buf, unsigned len, unsigned dladdr,
retry = 0;
- if (usb_id->mach_id->mode == MODE_BULK) {
+ if (mach_id->mode == MODE_BULK) {
err = transfer(3, tmp, sizeof(tmp), &last_trans);
if (err)
printf("in err=%i, last_trans=%i %02x %02x %02x %02x\n",
@@ -821,7 +816,7 @@ static int load_file(void *buf, unsigned len, unsigned dladdr,
cnt = len;
while (1) {
- int now = get_min(cnt, usb_id->mach_id->max_transfer);
+ int now = get_min(cnt, mach_id->max_transfer);
if (!now)
break;
@@ -839,7 +834,7 @@ static int load_file(void *buf, unsigned len, unsigned dladdr,
if (mode_barebox)
return transfer_size;
- if (usb_id->mach_id->mode == MODE_HID) {
+ if (mach_id->mode == MODE_HID) {
err = transfer(3, tmp, sizeof(tmp), &last_trans);
if (err)
printf("3 in err=%i, last_trans=%i %02x %02x %02x %02x\n",
@@ -1233,7 +1228,7 @@ static int is_header(const unsigned char *p)
const struct imx_flash_header_v2 *hdr =
(const struct imx_flash_header_v2 *)p;
- switch (usb_id->mach_id->header_type) {
+ switch (mach_id->header_type) {
case HDR_MX51:
if (ohdr->app_code_barker == 0xb1)
return 1;
@@ -1253,7 +1248,7 @@ 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;
- switch (usb_id->mach_id->header_type) {
+ switch (mach_id->header_type) {
case HDR_MX51:
ret = write_dcd_table_old(ohdr, file_start, cnt);
ohdr->dcd_block_len = 0;
@@ -1274,7 +1269,7 @@ static int get_dl_start(const unsigned char *p, const unsigned char *file_start,
unsigned *header_addr)
{
const unsigned char *file_end = file_start + cnt;
- switch (usb_id->mach_id->header_type) {
+ switch (mach_id->header_type) {
case HDR_MX51:
{
struct imx_flash_header *ohdr = (struct imx_flash_header *)p;
@@ -1315,7 +1310,7 @@ static int get_payload_start(const unsigned char *p, uint32_t *ofs)
{
struct imx_flash_header_v2 *hdr = (struct imx_flash_header_v2 *)p;
- switch (usb_id->mach_id->header_type) {
+ switch (mach_id->header_type) {
case HDR_MX51:
return -EINVAL;
@@ -1430,7 +1425,7 @@ static int do_irom_download(struct usb_work *curr, int verify)
memcpy(verify_buffer, image, 64);
- if ((type == FT_APP) && (usb_id->mach_id->mode != MODE_HID)) {
+ if ((type == FT_APP) && (mach_id->mode != MODE_HID)) {
type = FT_LOAD_ONLY;
verify = 2;
}
@@ -1469,7 +1464,7 @@ static int do_irom_download(struct usb_work *curr, int verify)
}
}
- if (usb_id->mach_id->mode == MODE_HID && type == FT_APP) {
+ if (mach_id->mode == MODE_HID && type == FT_APP) {
printf("jumping to 0x%08x\n", header_addr);
ret = sdp_jump_address(header_addr);
@@ -1532,7 +1527,7 @@ static int mxs_load_file(libusb_device_handle *dev, uint8_t *data, int size)
cnt = size;
while (1) {
- int now = get_min(cnt, usb_id->mach_id->max_transfer);
+ int now = get_min(cnt, mach_id->max_transfer);
if (!now)
break;
@@ -1591,7 +1586,6 @@ static void usage(const char *prgname)
int main(int argc, char *argv[])
{
- const struct mach_id *mach;
libusb_device **devs;
libusb_device *dev;
int r;
@@ -1663,7 +1657,7 @@ int main(int argc, char *argv[])
goto out;
}
- dev = find_imx_dev(devs, &mach, devpath, devtype);
+ dev = find_imx_dev(devs, &mach_id, devpath, devtype);
if (!dev) {
fprintf(stderr, "no supported device found\n");
goto out;
@@ -1682,15 +1676,7 @@ int main(int argc, char *argv[])
goto out;
}
- usb_id = malloc(sizeof(*usb_id));
- if (!usb_id) {
- perror("malloc");
- exit(1);
- }
-
- usb_id->mach_id = mach;
-
- if (mach->dev_type == DEV_MXS) {
+ if (mach_id->dev_type == DEV_MXS) {
ret = mxs_work(&w);
goto out;
}
@@ -1715,9 +1701,6 @@ int main(int argc, char *argv[])
ret = 0;
out:
- if (usb_id)
- free(usb_id);
-
if (usb_dev_handle)
libusb_close(usb_dev_handle);
--
2.30.2
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