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From: Julian Wiedmann <jwi@linux.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Ursula Braun <ubraun@linux.ibm.com>,
	Julian Wiedmann <jwi@linux.ibm.com>
Subject: [PATCH net-next 5/5] s390/qeth: remove HARDSETUP state
Date: Sat, 25 Jan 2020 16:53:03 +0100	[thread overview]
Message-ID: <20200125155303.40971-6-jwi@linux.ibm.com> (raw)
In-Reply-To: <20200125155303.40971-1-jwi@linux.ibm.com>

qeth_l?_stop_card() is _never_ called while in HARDSETUP state, and
there's no other usage of the card state that relies on the
DOWN -> HARDSETUP -> SOFTSETUP transition.

As related cleanup, remove the check in qeth_realloc_buffer_pool() as it
is already done by the callers.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
 drivers/s390/net/qeth_core.h      |  1 -
 drivers/s390/net/qeth_core_main.c |  3 ---
 drivers/s390/net/qeth_core_sys.c  |  2 --
 drivers/s390/net/qeth_l2_main.c   |  4 ----
 drivers/s390/net/qeth_l3_main.c   | 14 +++-----------
 5 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 950d01551373..9575a627a1e1 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -558,7 +558,6 @@ enum qeth_channel_states {
  */
 enum qeth_card_states {
 	CARD_STATE_DOWN,
-	CARD_STATE_HARDSETUP,
 	CARD_STATE_SOFTSETUP,
 };
 
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 0f5f36e63823..9639938581f5 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -247,9 +247,6 @@ int qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt)
 {
 	QETH_CARD_TEXT(card, 2, "realcbp");
 
-	if (card->state != CARD_STATE_DOWN)
-		return -EPERM;
-
 	/* TODO: steel/add buffers from/to a running card's buffer pool (?) */
 	qeth_clear_working_pool_list(card);
 	qeth_free_buffer_pool(card);
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 7bd86027f559..2bd9993aa60b 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -24,8 +24,6 @@ static ssize_t qeth_dev_state_show(struct device *dev,
 	switch (card->state) {
 	case CARD_STATE_DOWN:
 		return sprintf(buf, "DOWN\n");
-	case CARD_STATE_HARDSETUP:
-		return sprintf(buf, "HARDSETUP\n");
 	case CARD_STATE_SOFTSETUP:
 		if (card->dev->flags & IFF_UP)
 			return sprintf(buf, "UP (LAN %s)\n",
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index d5ffd40937d3..692bd2623401 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -283,9 +283,6 @@ static void qeth_l2_stop_card(struct qeth_card *card)
 
 	if (card->state == CARD_STATE_SOFTSETUP) {
 		qeth_clear_ipacmd_list(card);
-		card->state = CARD_STATE_HARDSETUP;
-	}
-	if (card->state == CARD_STATE_HARDSETUP) {
 		qeth_drain_output_queues(card);
 		card->state = CARD_STATE_DOWN;
 	}
@@ -776,7 +773,6 @@ static int qeth_l2_set_online(struct qeth_card *card)
 	qeth_trace_features(card);
 	qeth_l2_trace_features(card);
 
-	card->state = CARD_STATE_HARDSETUP;
 	qeth_print_status_message(card);
 
 	/* softsetup */
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index eb2d9c427b10..317d56647a4a 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -901,7 +901,7 @@ static int qeth_l3_start_ipa_broadcast(struct qeth_card *card)
 	return rc;
 }
 
-static int qeth_l3_start_ipassists(struct qeth_card *card)
+static void qeth_l3_start_ipassists(struct qeth_card *card)
 {
 	QETH_CARD_TEXT(card, 3, "strtipas");
 
@@ -911,7 +911,6 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
 	qeth_l3_start_ipa_multicast(card);		/* go on*/
 	qeth_l3_start_ipa_ipv6(card);		/* go on*/
 	qeth_l3_start_ipa_broadcast(card);		/* go on*/
-	return 0;
 }
 
 static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card,
@@ -1178,9 +1177,6 @@ static void qeth_l3_stop_card(struct qeth_card *card)
 	if (card->state == CARD_STATE_SOFTSETUP) {
 		qeth_l3_clear_ip_htable(card, 1);
 		qeth_clear_ipacmd_list(card);
-		card->state = CARD_STATE_HARDSETUP;
-	}
-	if (card->state == CARD_STATE_HARDSETUP) {
 		qeth_drain_output_queues(card);
 		card->state = CARD_STATE_DOWN;
 	}
@@ -2068,7 +2064,6 @@ static int qeth_l3_set_online(struct qeth_card *card)
 		goto out_remove;
 	}
 
-	card->state = CARD_STATE_HARDSETUP;
 	qeth_print_status_message(card);
 
 	/* softsetup */
@@ -2078,11 +2073,8 @@ static int qeth_l3_set_online(struct qeth_card *card)
 	if (rc)
 		QETH_CARD_TEXT_(card, 2, "2err%04x", rc);
 	if (!card->options.sniffer) {
-		rc = qeth_l3_start_ipassists(card);
-		if (rc) {
-			QETH_CARD_TEXT_(card, 2, "3err%d", rc);
-			goto out_remove;
-		}
+		qeth_l3_start_ipassists(card);
+
 		rc = qeth_l3_setrouting_v4(card);
 		if (rc)
 			QETH_CARD_TEXT_(card, 2, "4err%04x", rc);
-- 
2.17.1

  parent reply	other threads:[~2020-01-25 15:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-25 15:52 [PATCH net-next 0/5] s390/qeth: updates 2020-01-25 Julian Wiedmann
2020-01-25 15:52 ` [PATCH net-next 1/5] s390/qeth: shift some bridgeport code around Julian Wiedmann
2020-01-25 15:53 ` [PATCH net-next 2/5] s390/qeth: consolidate QDIO queue setup Julian Wiedmann
2020-01-25 15:53 ` [PATCH net-next 3/5] s390/qeth: consolidate online/offline code Julian Wiedmann
2020-01-25 15:53 ` [PATCH net-next 4/5] s390/qeth: make cmd/reply matching more flexible Julian Wiedmann
2020-01-25 15:53 ` Julian Wiedmann [this message]
2020-01-26 14:27 ` [PATCH net-next 0/5] s390/qeth: updates 2020-01-25 David Miller

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