[PATCH] s390: use klist in qeth driver

From: Martin Schwidesky <schwidefsky@de.ibm.com>

Convert qeth to the new klist interface and make it compiling again.

Signed-off-by: Frank Pavlic <pavlic@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 8f4d299..79c74f3 100644 (file)
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -8120,20 +8120,22 @@ static struct notifier_block qeth_ip6_notifier = {
 #endif
 
 static int
-qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
+__qeth_reboot_event_card(struct device *dev, void *data)
 {
-
-       struct device *entry;
        struct qeth_card *card;
 
-       down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
-              list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices,
-                                  driver_list) {
-                      card = (struct qeth_card *) entry->driver_data;
-                      qeth_clear_ip_list(card, 0, 0);
-                      qeth_qdio_clear_card(card, 0);
-              }
-       up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
+       card = (struct qeth_card *) dev->driver_data;
+       qeth_clear_ip_list(card, 0, 0);
+       qeth_qdio_clear_card(card, 0);
+       return 0;
+}
+
+static int
+qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+
+       driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+                              __qeth_reboot_event_card);
        return NOTIFY_DONE;
 }
 

diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c
index 0471919..f2ccfea 100644 (file)
--- a/drivers/s390/net/qeth_proc.c
+++ b/drivers/s390/net/qeth_proc.c
@@ -27,23 +27,33 @@ const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $";
 #define QETH_PROCFILE_NAME "qeth"
 static struct proc_dir_entry *qeth_procfile;
 
+static int
+qeth_procfile_seq_match(struct device *dev, void *data)
+{
+       return 1;
+}
+
 static void *
 qeth_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-       struct list_head *next_card = NULL;
-       int i = 0;
+       struct device *dev;
+       loff_t nr;
 
        down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
 
-       if (*offset == 0)
+       nr = *offset;
+       if (nr == 0)
                return SEQ_START_TOKEN;
 
-       /* get card at pos *offset */
-       list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices)
-               if (++i == *offset)
-                       return next_card;
+       dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL,
+                                NULL, qeth_procfile_seq_match);
 
-       return NULL;
+       /* get card at pos *offset */
+       nr = *offset;
+       while (nr-- > 1 && dev)
+               dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+                                        NULL, qeth_procfile_seq_match);
+       return (void *) dev;
 }
 
 static void
@@ -55,23 +65,21 @@ qeth_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-       struct list_head *next_card = NULL;
-       struct list_head *current_card;
+       struct device *prev, *next;
 
        if (it == SEQ_START_TOKEN) {
-               next_card = qeth_ccwgroup_driver.driver.devices.next;
-               if (next_card->next == next_card) /* list empty */
-                       return NULL;
-               (*offset)++;
-       } else {
-               current_card = (struct list_head *)it;
-               if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-                       return NULL; /* end of list reached */
-               next_card = current_card->next;
-               (*offset)++;
+               next = driver_find_device(&qeth_ccwgroup_driver.driver,
+                                         NULL, NULL, qeth_procfile_seq_match);
+               if (next)
+                       (*offset)++;
+               return (void *) next;
        }
-
-       return next_card;
+       prev = (struct device *) it;
+       next = driver_find_device(&qeth_ccwgroup_driver.driver,
+                                 prev, NULL, qeth_procfile_seq_match);
+       if (next)
+               (*offset)++;
+       return (void *) next;
 }
 
 static inline const char *
@@ -126,7 +134,7 @@ qeth_procfile_seq_show(struct seq_file *s, void *it)
                              "-------------- ---- ------ ---------- ---- "
                              "---- ----- -----\n");
        } else {
-               device = list_entry(it, struct device, driver_list);
+               device = (struct device *) it;
                card = device->driver_data;
                seq_printf(s, "%s/%s/%s x%02X   %-10s %-14s %-4i ",
                                CARD_RDEV_ID(card),
@@ -180,17 +188,20 @@ static struct proc_dir_entry *qeth_perf_procfile;
 static void *
 qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-       struct list_head *next_card = NULL;
-       int i = 0;
+       struct device *dev = NULL;
+       int nr;
 
        down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
        /* get card at pos *offset */
-       list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
-               if (i == *offset)
-                       return next_card;
-               i++;
-       }
-       return NULL;
+       dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+                                qeth_procfile_seq_match);
+
+       /* get card at pos *offset */
+       nr = *offset;
+       while (nr-- > 1 && dev)
+               dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+                                        NULL, qeth_procfile_seq_match);
+       return (void *) dev;
 }
 
 static void
@@ -202,12 +213,14 @@ qeth_perf_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-       struct list_head *current_card = (struct list_head *)it;
+       struct device *prev, *next;
 
-       if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-               return NULL; /* end of list reached */
-       (*offset)++;
-       return current_card->next;
+       prev = (struct device *) it;
+       next = driver_find_device(&qeth_ccwgroup_driver.driver, prev,
+                                 NULL, qeth_procfile_seq_match);
+       if (next)
+               (*offset)++;
+       return (void *) next;
 }
 
 static int
@@ -216,7 +229,7 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it)
        struct device *device;
        struct qeth_card *card;
 
-       device = list_entry(it, struct device, driver_list);
+       device = (struct device *) it;
        card = device->driver_data;
        seq_printf(s, "For card with devnos %s/%s/%s (%s):\n",
                        CARD_RDEV_ID(card),
@@ -318,8 +331,8 @@ static struct proc_dir_entry *qeth_ipato_procfile;
 static void *
 qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset)
 {
-       struct list_head *next_card = NULL;
-       int i = 0;
+       struct device *dev;
+       loff_t nr;
 
        down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
        /* TODO: finish this */
@@ -328,13 +341,16 @@ qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset)
         * output driver settings then;
         * else output setting for respective card
         */
+
+       dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+                                qeth_procfile_seq_match);
+
        /* get card at pos *offset */
-       list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){
-               if (i == *offset)
-                       return next_card;
-               i++;
-       }
-       return NULL;
+       nr = *offset;
+       while (nr-- > 1 && dev)
+               dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev,
+                                        NULL, qeth_procfile_seq_match);
+       return (void *) dev;
 }
 
 static void
@@ -346,18 +362,14 @@ qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it)
 static void *
 qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
 {
-       struct list_head *current_card = (struct list_head *)it;
+       struct device *prev, *next;
 
-       /* TODO: finish this */
-       /*
-        * maybe SEQ_SATRT_TOKEN can be returned for offset 0
-        * output driver settings then;
-        * else output setting for respective card
-        */
-       if (current_card->next == &qeth_ccwgroup_driver.driver.devices)
-               return NULL; /* end of list reached */
-       (*offset)++;
-       return current_card->next;
+       prev = (struct device *) it;
+       next = driver_find_device(&qeth_ccwgroup_driver.driver, prev,
+                                 NULL, qeth_procfile_seq_match);
+       if (next)
+               (*offset)++;
+       return (void *) next;
 }
 
 static int
@@ -372,7 +384,7 @@ qeth_ipato_procfile_seq_show(struct seq_file *s, void *it)
         * output driver settings then;
         * else output setting for respective card
         */
-       device = list_entry(it, struct device, driver_list);
+       device = (struct device *) it;
        card = device->driver_data;
 
        return 0;