Commit 635e442f authored by Lijun Pan's avatar Lijun Pan Committed by David S. Miller
Browse files

ibmvnic: merge ibmvnic_reset_init and ibmvnic_init



These two functions share the majority of the code, hence merge
them together. In the meanwhile, add a reset pass-in parameter
to differentiate them. Thus, the code is easier to read and to tell
the difference between reset_init and regular init.

Signed-off-by: default avatarLijun Pan <ljp@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 550f4d46
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+13 −52
Original line number Diff line number Diff line
@@ -104,8 +104,7 @@ static int send_login(struct ibmvnic_adapter *adapter);
static void send_cap_queries(struct ibmvnic_adapter *adapter);
static int init_sub_crqs(struct ibmvnic_adapter *);
static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter);
static int ibmvnic_init(struct ibmvnic_adapter *);
static int ibmvnic_reset_init(struct ibmvnic_adapter *);
static int ibmvnic_reset_init(struct ibmvnic_adapter *, bool reset);
static void release_crq_queue(struct ibmvnic_adapter *);
static int __ibmvnic_set_mac(struct net_device *, u8 *);
static int init_crq_queue(struct ibmvnic_adapter *adapter);
@@ -1856,7 +1855,7 @@ static int do_change_param_reset(struct ibmvnic_adapter *adapter,
		return rc;
	}

	rc = ibmvnic_reset_init(adapter);
	rc = ibmvnic_reset_init(adapter, true);
	if (rc)
		return IBMVNIC_INIT_FAILED;

@@ -1974,7 +1973,7 @@ static int do_reset(struct ibmvnic_adapter *adapter,
			goto out;
		}

		rc = ibmvnic_reset_init(adapter);
		rc = ibmvnic_reset_init(adapter, true);
		if (rc) {
			rc = IBMVNIC_INIT_FAILED;
			goto out;
@@ -2081,7 +2080,7 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter,
		return rc;
	}

	rc = ibmvnic_init(adapter);
	rc = ibmvnic_reset_init(adapter, false);
	if (rc)
		return rc;

@@ -4987,7 +4986,7 @@ map_failed:
	return retrc;
}

static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter)
static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter, bool reset)
{
	struct device *dev = &adapter->vdev->dev;
	unsigned long timeout = msecs_to_jiffies(30000);
@@ -4996,10 +4995,12 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter)

	adapter->from_passive_init = false;

	if (reset) {
		old_num_rx_queues = adapter->req_rx_queues;
		old_num_tx_queues = adapter->req_tx_queues;

		reinit_completion(&adapter->init_done);
	}

	adapter->init_done_rc = 0;
	rc = ibmvnic_send_crq_init(adapter);
	if (rc) {
@@ -5017,7 +5018,8 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter)
		return adapter->init_done_rc;
	}

	if (test_bit(0, &adapter->resetting) && !adapter->wait_for_reset &&
	if (reset &&
	    test_bit(0, &adapter->resetting) && !adapter->wait_for_reset &&
	    adapter->reset_reason != VNIC_RESET_MOBILITY) {
		if (adapter->req_rx_queues != old_num_rx_queues ||
		    adapter->req_tx_queues != old_num_tx_queues) {
@@ -5045,47 +5047,6 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter)
	return rc;
}

static int ibmvnic_init(struct ibmvnic_adapter *adapter)
{
	struct device *dev = &adapter->vdev->dev;
	unsigned long timeout = msecs_to_jiffies(30000);
	int rc;

	adapter->from_passive_init = false;

	adapter->init_done_rc = 0;
	rc = ibmvnic_send_crq_init(adapter);
	if (rc) {
		dev_err(dev, "Send crq init failed with error %d\n", rc);
		return rc;
	}

	if (!wait_for_completion_timeout(&adapter->init_done, timeout)) {
		dev_err(dev, "Initialization sequence timed out\n");
		return -1;
	}

	if (adapter->init_done_rc) {
		release_crq_queue(adapter);
		return adapter->init_done_rc;
	}

	rc = init_sub_crqs(adapter);
	if (rc) {
		dev_err(dev, "Initialization of sub crqs failed\n");
		release_crq_queue(adapter);
		return rc;
	}

	rc = init_sub_crq_irqs(adapter);
	if (rc) {
		dev_err(dev, "Failed to initialize sub crq irqs\n");
		release_crq_queue(adapter);
	}

	return rc;
}

static struct device_attribute dev_attr_failover;

static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
@@ -5148,7 +5109,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
			goto ibmvnic_init_fail;
		}

		rc = ibmvnic_init(adapter);
		rc = ibmvnic_reset_init(adapter, false);
		if (rc && rc != EAGAIN)
			goto ibmvnic_init_fail;
	} while (rc == EAGAIN);