1 // SPDX-License-Identifier: GPL-2.0-or-later
48 		return -EINVAL;  in idtg3_route_add_entry()
54 		/* Use broadcast register to update all per-port tables */  in idtg3_route_add_entry()
70 		return -EINVAL;  in idtg3_route_add_entry()
86 		return -EINVAL;  in idtg3_route_get_entry()
101 		return -EINVAL;  in idtg3_route_get_entry()
143 		return -EINVAL;  in idtg3_route_clr_table()
157  * This routine performs device-specific initialization only.
166 	pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);  in idtg3_em_init()
171 	/* Disable port-write event notifications during initialization */  in idtg3_em_init()
172 	rio_write_config_32(rdev, rdev->em_efptr + RIO_EM_PW_TX_CTRL,  in idtg3_em_init()
175 	/* Configure Port-Write notifications for hot-swap events */  in idtg3_em_init()
176 	tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo);  in idtg3_em_init()
187 			rdev->em_efptr + RIO_EM_PN_ERR_DETECT(i), 0);  in idtg3_em_init()
191 			rdev->em_efptr + RIO_EM_PN_ERRRATE_EN(i),  in idtg3_em_init()
193 		/* Enable port-write generation on events */  in idtg3_em_init()
199 	/* Set Port-Write destination port */  in idtg3_em_init()
200 	tmp = RIO_GET_PORT_NUM(rdev->swpinfo);  in idtg3_em_init()
204 	/* Enable sending port-write event notifications */  in idtg3_em_init()
205 	rio_write_config_32(rdev, rdev->em_efptr + RIO_EM_PW_TX_CTRL, 0);  in idtg3_em_init()
209 		rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8);  in idtg3_em_init()
215  * idtg3_em_handler - device-specific error handler
217  * If the link is down (PORT_UNINIT) does nothing - this is considered
220  * If the link is up (PORT_OK) - situation is handled as *new* device insertion.
221  * In this case ERR_STOP bits are cleared by issuing soft reset command to the
222  * reporting port. Inbound and outbound ackIDs are cleared by the reset as well.
223  * This way the port is synchronized with freshly inserted device (assuming it
224  * was reset/powered-up on insertion).
245 	 * Request port soft reset to clear errors if they present.  in idtg3_em_handler()
246 	 * Inbound and outbound ackIDs will be 0 after reset.  in idtg3_em_handler()
274 	spin_lock(&rdev->rswitch->lock);  in idtg3_probe()
276 	if (rdev->rswitch->ops) {  in idtg3_probe()
277 		spin_unlock(&rdev->rswitch->lock);  in idtg3_probe()
278 		return -EINVAL;  in idtg3_probe()
281 	rdev->rswitch->ops = &idtg3_switch_ops;  in idtg3_probe()
283 	if (rdev->do_enum) {  in idtg3_probe()
285 		 * enumeration/discovery process (see rio-scan.c) uses 8-bit  in idtg3_probe()
291 	spin_unlock(&rdev->rswitch->lock);  in idtg3_probe()
299 	spin_lock(&rdev->rswitch->lock);  in idtg3_remove()
300 	if (rdev->rswitch->ops == &idtg3_switch_ops)  in idtg3_remove()
301 		rdev->rswitch->ops = NULL;  in idtg3_remove()
302 	spin_unlock(&rdev->rswitch->lock);  in idtg3_remove()
307  * is cleared. Use shutdown notification to disable generation of port-write
317 	if (!rdev->do_enum)  in idtg3_shutdown()
323 	i = RIO_GET_PORT_NUM(rdev->swpinfo);  in idtg3_shutdown()
325 	/* Check port-write destination port */  in idtg3_shutdown()
329 	/* Disable sending port-write event notifications if PW destID  in idtg3_shutdown()
332 	rio_read_config_32(rdev, rdev->em_efptr + RIO_EM_PW_TGT_DEVID, &rval);  in idtg3_shutdown()
339 	if (rdev->net->hport->host_deviceid == destid) {  in idtg3_shutdown()
341 				    rdev->em_efptr + RIO_EM_PW_TX_CTRL, 0);  in idtg3_shutdown()