/**
* cx_device_reload - Reload the device.
* @nasid: device's nasid
* @part_num: device's part number
* @mfg_num: device's manufacturer number
*
* Remove the device associated with 'nasid' from device list and then
* call device-register with the given part/mfg numbers.
*/
static int cx_device_reload(struct cx_dev *cx_dev)
{
cx_device_unregister(cx_dev);
return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num,
cx_dev->cx_id.mfg_num, cx_dev->hubdev,
cx_dev->bt);
}
static int __init tiocx_init(void)
{
cnodeid_t cnodeid;
int found_tiocx_device = 0;
if (!ia64_platform_is("sn2"))
return 0;
bus_register(&tiocx_bus_type);
for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
nasid_t nasid;
int bt;
nasid = cnodeid_to_nasid(cnodeid);
if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
struct hubdev_info *hubdev;
struct xwidget_info *widgetp;
DBG("Found TIO at nasid 0x%x\n", nasid);
hubdev =
(struct hubdev_info *)(NODEPDA(cnodeid)->pdinfo);
widgetp = &hubdev->hdi_xwidget_info[TIOCX_CORELET];
/* The CE hangs off of the CX port but is not an FPGA */
if (widgetp->xwi_hwid.part_num == TIO_CE_ASIC_PARTNUM)
continue;
tio_corelet_reset(nasid, TIOCX_CORELET);
tio_conveyor_enable(nasid);
if (cx_device_register
(nasid, widgetp->xwi_hwid.part_num,
widgetp->xwi_hwid.mfg_num, hubdev, bt) < 0)
return -ENXIO;
else
found_tiocx_device++;
}
}
/* It's ok if we find zero devices. */
DBG("found_tiocx_device= %d\n", found_tiocx_device);
return 0;
}
