- info("downloading firmware from file '%s' to the '%s'",filename,cypress[type].name);
-
- p = kmalloc(fw->size,GFP_KERNEL);
- if (p != NULL) {
- u8 reset;
- /*
- * you cannot use the fw->data as buffer for
- * usb_control_msg, a new buffer has to be
- * created
- */
- memcpy(p,fw->data,fw->size);
-
- /* stop the CPU */
- reset = 1;
- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1)
- err("could not stop the USB controller CPU.");
- for(i = 0; p[i+3] == 0 && i < fw->size; ) {
- b = (u8 *) &p[i];
- addr = cpu_to_le16( *((u16 *) &b[1]) );
-
- deb_fw("writing to address 0x%04x (buffer: 0x%02x%02x)\n",addr,b[1],b[2]);
-
- ret = usb_cypress_writemem(udev,addr,&b[4],b[0]);
-
- if (ret != b[0]) {
- err("error while transferring firmware "
- "(transferred size: %d, block size: %d)",
- ret,b[0]);
- ret = -EINVAL;
- break;
- }
- i += 5 + b[0];
- }
- /* length in ret */
- if (ret > 0)
- ret = 0;