From: Allen Martin <amartin@xxxxxxxxxx>
Print more explict messages when usb transition failed.
Signed-off-by: Allen Martin <amartin@xxxxxxxxxx>
---
src/nv3p.c | 2 +-
src/usb.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/nv3p.c b/src/nv3p.c
index 7f8c72994396..7c7ef1c2f60c 100644
--- a/src/nv3p.c
+++ b/src/nv3p.c
@@ -848,7 +848,7 @@ static int nv3p_read(usb_device_t *usb, uint8_t *buf, int len)
if (len > bytesleft) {
ret = usb_read(usb, packet, sizeof(packet), &actual_len);
if (ret) {
- dprintf("USB read failed\n");
+ dprintf("USB read failed: %d\n", ret);
return ret;
}
diff --git a/src/usb.c b/src/usb.c
index 8c9c72f38b1a..ed2ff28eef8d 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -231,7 +231,7 @@ int usb_write(usb_device_t *usb, uint8_t *buf, int len)
ret = libusb_bulk_transfer(usb->handle, usb->endpt_out, buf,
chunk_size, &actual_chunk, USB_TIMEOUT);
if (ret != LIBUSB_SUCCESS) {
- dprintf("write failure: %d\n", ret);
+ dprintf("libusb write failure: %d: %s\n", ret, libusb_error_name(ret));
return EIO;
}
if (actual_chunk != chunk_size) {
@@ -258,7 +258,7 @@ int usb_read(usb_device_t *usb, uint8_t *buf, int len, int *actual_len)
ret = libusb_bulk_transfer(usb->handle, usb->endpt_in, buf,
chunk_size, &actual_chunk, USB_TIMEOUT);
if (ret != LIBUSB_SUCCESS) {
- dprintf("read failure: %d\n", ret);
+ dprintf("libusb read failure: %d: %s\n", ret, libusb_error_name(ret));
return EIO;
}
len -= chunk_size;
--
1.8.1.5
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