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authorJulian Wiedmann <jwi@linux.ibm.com>2018-08-09 14:48:02 +0200
committerDavid S. Miller <davem@davemloft.net>2018-08-09 23:02:50 +0200
commit95f4d8b75ad3fb774113450c9788af0dde91a27d (patch)
tree7e1bbd0e2e02a3efc7d0bc62f4dd5021154f8acc /drivers/s390/net
parents390/qeth: do basic setup for data channel (diff)
downloadlinux-95f4d8b75ad3fb774113450c9788af0dde91a27d.tar.xz
linux-95f4d8b75ad3fb774113450c9788af0dde91a27d.zip
s390/qeth: clean up card initialization
The qeth_card struct is kzalloc-ed, so remove all the redundant 0-initializations. While at it, split up what's left of qeth_determine_card_type(). Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/qeth_core_main.c44
1 files changed, 10 insertions, 34 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index eab8c4a182b0..99ba0f067eea 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1392,6 +1392,10 @@ static void qeth_init_qdio_info(struct qeth_card *card)
{
QETH_DBF_TEXT(SETUP, 4, "intqdinf");
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
+ card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
+ card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
+ card->qdio.no_out_queues = QETH_MAX_QUEUES;
+
/* inbound */
card->qdio.no_in_queues = 1;
card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
@@ -1404,12 +1408,10 @@ static void qeth_init_qdio_info(struct qeth_card *card)
INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
}
-static void qeth_set_intial_options(struct qeth_card *card)
+static void qeth_set_initial_options(struct qeth_card *card)
{
card->options.route4.type = NO_ROUTER;
card->options.route6.type = NO_ROUTER;
- card->options.fake_broadcast = 0;
- card->options.performance_stats = 0;
card->options.rx_sg_cb = QETH_RX_SG_CB;
card->options.isolation = ISOLATION_MODE_NONE;
card->options.cq = QETH_CQ_DISABLED;
@@ -1452,15 +1454,13 @@ static void qeth_start_kernel_thread(struct work_struct *work)
}
static void qeth_buffer_reclaim_work(struct work_struct *);
-static int qeth_setup_card(struct qeth_card *card)
+static void qeth_setup_card(struct qeth_card *card)
{
QETH_DBF_TEXT(SETUP, 2, "setupcrd");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
+ card->info.type = CARD_RDEV(card)->id.driver_info;
card->state = CARD_STATE_DOWN;
- card->lan_online = 0;
- card->read_or_write_problem = 0;
- card->dev = NULL;
spin_lock_init(&card->mclock);
spin_lock_init(&card->lock);
spin_lock_init(&card->ip_lock);
@@ -1468,24 +1468,15 @@ static int qeth_setup_card(struct qeth_card *card)
mutex_init(&card->conf_mutex);
mutex_init(&card->discipline_mutex);
mutex_init(&card->vid_list_mutex);
- card->thread_start_mask = 0;
- card->thread_allowed_mask = 0;
- card->thread_running_mask = 0;
INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread);
INIT_LIST_HEAD(&card->cmd_waiter_list);
init_waitqueue_head(&card->wait_q);
- /* initial options */
- qeth_set_intial_options(card);
+ qeth_set_initial_options(card);
/* IP address takeover */
INIT_LIST_HEAD(&card->ipato.entries);
- card->ipato.enabled = false;
- card->ipato.invert4 = false;
- card->ipato.invert6 = false;
- /* init QDIO stuff */
qeth_init_qdio_info(card);
INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
INIT_WORK(&card->close_dev_work, qeth_close_dev_handler);
- return 0;
}
static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr)
@@ -1527,17 +1518,6 @@ out:
return NULL;
}
-static void qeth_determine_card_type(struct qeth_card *card)
-{
- QETH_DBF_TEXT(SETUP, 2, "detcdtyp");
-
- card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
- card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
- card->info.type = CARD_RDEV(card)->id.driver_info;
- card->qdio.no_out_queues = QETH_MAX_QUEUES;
- qeth_update_from_chp_desc(card);
-}
-
static int qeth_clear_channel(struct qeth_channel *channel)
{
unsigned long flags;
@@ -5779,12 +5759,8 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
gdev->cdev[1]->handler = qeth_irq;
gdev->cdev[2]->handler = qeth_irq;
- qeth_determine_card_type(card);
- rc = qeth_setup_card(card);
- if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
- goto err_card;
- }
+ qeth_setup_card(card);
+ qeth_update_from_chp_desc(card);
card->dev = qeth_alloc_netdev(card);
if (!card->dev)