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s390/qeth: remove duplicated device matching
authorJulian Wiedmann <jwi@linux.vnet.ibm.com>
Wed, 18 Oct 2017 15:40:15 +0000 (17:40 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 20 Oct 2017 12:11:04 +0000 (13:11 +0100)
With commit "s390/ccwgroup: tie a ccwgroup driver to its ccw driver",
the ccwgroup core now ensures that a qeth group device only consists of
ccw devices which are supported by qeth. Therefore remove qeth's
internal device matching, and use .driver_info to determine the card
type.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/s390/net/qeth_core.h
drivers/s390/net/qeth_core_main.c
drivers/s390/net/qeth_core_mpc.h
drivers/s390/net/qeth_core_sys.c

index 3b6aa0c..dbdf09a 100644 (file)
@@ -231,20 +231,6 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
 #define QETH_IDX_FUNC_LEVEL_OSD                 0x0101
 #define QETH_IDX_FUNC_LEVEL_IQD                 0x4108
 
-#define QETH_MODELLIST_ARRAY \
-       {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \
-        {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \
-        {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \
-        {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \
-        {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \
-        {0, 0, 0, 0, 0, 0} }
-#define QETH_CU_TYPE_IND       0
-#define QETH_CU_MODEL_IND      1
-#define QETH_DEV_TYPE_IND      2
-#define QETH_DEV_MODEL_IND     3
-#define QETH_QUEUE_NO_IND      4
-#define QETH_MULTICAST_IND     5
-
 #define QETH_REAL_CARD         1
 #define QETH_VLAN_CARD         2
 #define QETH_BUFSIZE           4096
index e10e5b8..735b03c 100644 (file)
@@ -52,7 +52,6 @@ EXPORT_SYMBOL_GPL(qeth_core_header_cache);
 static struct kmem_cache *qeth_qdio_outbuf_cache;
 
 static struct device *qeth_core_root_dev;
-static unsigned int known_devices[][6] = QETH_MODELLIST_ARRAY;
 static struct lock_class_key qdio_out_skb_queue_key;
 static struct mutex qeth_mod_mutex;
 
@@ -1386,6 +1385,7 @@ static void qeth_init_qdio_info(struct qeth_card *card)
        QETH_DBF_TEXT(SETUP, 4, "intqdinf");
        atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
        /* inbound */
+       card->qdio.no_in_queues = 1;
        card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
        if (card->info.type == QETH_CARD_TYPE_IQD)
                card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
@@ -1519,34 +1519,17 @@ out:
        return NULL;
 }
 
-static int qeth_determine_card_type(struct qeth_card *card)
+static void qeth_determine_card_type(struct qeth_card *card)
 {
-       int i = 0;
-
        QETH_DBF_TEXT(SETUP, 2, "detcdtyp");
 
        card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
        card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
-       while (known_devices[i][QETH_DEV_MODEL_IND]) {
-               if ((CARD_RDEV(card)->id.dev_type ==
-                               known_devices[i][QETH_DEV_TYPE_IND]) &&
-                   (CARD_RDEV(card)->id.dev_model ==
-                               known_devices[i][QETH_DEV_MODEL_IND])) {
-                       card->info.type = known_devices[i][QETH_DEV_MODEL_IND];
-                       card->qdio.no_out_queues =
-                               known_devices[i][QETH_QUEUE_NO_IND];
-                       card->qdio.no_in_queues = 1;
-                       card->info.is_multicast_different =
-                               known_devices[i][QETH_MULTICAST_IND];
-                       qeth_update_from_chp_desc(card);
-                       return 0;
-               }
-               i++;
-       }
-       card->info.type = QETH_CARD_TYPE_UNKNOWN;
-       dev_err(&card->gdev->dev, "The adapter hardware is of an "
-               "unknown type\n");
-       return -ENOENT;
+       card->info.type = CARD_RDEV(card)->id.driver_info;
+       card->qdio.no_out_queues = QETH_MAX_QUEUES;
+       if (card->info.type == QETH_CARD_TYPE_IQD)
+               card->info.is_multicast_different = 0x0103;
+       qeth_update_from_chp_desc(card);
 }
 
 static int qeth_clear_channel(struct qeth_channel *channel)
@@ -2233,8 +2216,6 @@ static int qeth_cm_setup(struct qeth_card *card)
 static int qeth_get_initial_mtu_for_card(struct qeth_card *card)
 {
        switch (card->info.type) {
-       case QETH_CARD_TYPE_UNKNOWN:
-               return 1500;
        case QETH_CARD_TYPE_IQD:
                return card->info.max_mtu;
        case QETH_CARD_TYPE_OSD:
@@ -2279,7 +2260,6 @@ static int qeth_mtu_is_valid(struct qeth_card *card, int mtu)
                return ((mtu >= 576) &&
                        (mtu <= card->info.max_mtu));
        case QETH_CARD_TYPE_OSN:
-       case QETH_CARD_TYPE_UNKNOWN:
        default:
                return 1;
        }
@@ -5724,11 +5704,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
        gdev->cdev[1]->handler = qeth_irq;
        gdev->cdev[2]->handler = qeth_irq;
 
-       rc = qeth_determine_card_type(card);
-       if (rc) {
-               QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
-               goto err_card;
-       }
+       qeth_determine_card_type(card);
        rc = qeth_setup_card(card);
        if (rc) {
                QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
index 6a7654d..413f0f2 100644 (file)
@@ -44,7 +44,6 @@ extern unsigned char IPA_PDU_HEADER[];
 #define IPA_CMD_PRIM_VERSION_NO 0x01
 
 enum qeth_card_types {
-       QETH_CARD_TYPE_UNKNOWN = 0,
        QETH_CARD_TYPE_OSD     = 1,
        QETH_CARD_TYPE_IQD     = 5,
        QETH_CARD_TYPE_OSN     = 6,
index d1ee9e3..b22ed2a 100644 (file)
@@ -475,10 +475,8 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
                return -EINVAL;
 
        mutex_lock(&card->conf_mutex);
-       /* check for unknown, too, in case we do not yet know who we are */
        if (card->info.type != QETH_CARD_TYPE_OSD &&
-           card->info.type != QETH_CARD_TYPE_OSX &&
-           card->info.type != QETH_CARD_TYPE_UNKNOWN) {
+           card->info.type != QETH_CARD_TYPE_OSX) {
                rc = -EOPNOTSUPP;
                dev_err(&card->gdev->dev, "Adapter does not "
                        "support QDIO data connection isolation\n");