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Code Issues Releases Wiki Activity

Ignore preferred packet size.

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This commit is contained in:
Con Kolivas 2013-11-03 20:15:41 +11:00
parent 0cceaccf75
commit b5dfb8f03e
1 changed files with 2 additions and 9 deletions
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11
usbutils.c
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@ -2418,7 +2418,6 @@ usb_bulk_transfer(struct libusb_device_handle *dev_handle, int intinfo,
struct usb_epinfo *usb_epinfo;
struct usb_transfer ut;
unsigned char endpoint;
uint16_t MaxPacketSize;
int err, errn;
#if DO_USB_STATS
struct timeval tv_start, tv_finish;
@ -2442,14 +2441,8 @@ usb_bulk_transfer(struct libusb_device_handle *dev_handle, int intinfo,
if (unlikely(cgpu->shutdown))
return libusb_bulk_transfer(dev_handle, endpoint, data, length, transferred, timeout);
/* Limit length of transfer to the largest this descriptor supports
* and leave the higher level functions to transfer more if needed. */
if (usb_epinfo->PrefPacketSize)
MaxPacketSize = usb_epinfo->PrefPacketSize;
else
MaxPacketSize = usb_epinfo->wMaxPacketSize;
if (length > MaxPacketSize)
length = MaxPacketSize;
if (length > usb_epinfo->wMaxPacketSize)
length = usb_epinfo->wMaxPacketSize;
if ((endpoint & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_OUT)
memcpy(buf, data, length);