*/
int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid)
{
- unsigned int a = 0, b = 0, result = -1;
+ unsigned int a = 0, b = 0;
if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, 0x43, (char *)&a, 2, ftdi->usb_read_timeout) == 2)
{
a = ftdi_read_chipid_shift(a) | ftdi_read_chipid_shift(a>>8)<<8
| ftdi_read_chipid_shift(a>>16)<<16 | ftdi_read_chipid_shift(a>>24)<<24;
*chipid = a ^ 0xa5f0f7d1;
- result = 0;
+ return 0;
}
}
- if (result != 0)
- ftdi_error_return(result, "read of FTDIChip-ID failed");
-
- return 0;
+ ftdi_error_return(-1, "read of FTDIChip-ID failed");
}
/**