* directory of the kernel sources for details.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/timer.h>
#include <linux/jiffies.h>
+#include <linux/mutex.h>
#include "csr1212.h"
#include "ieee1394.h"
return 0;
}
+/*
+ * The pending_packet_queue is special in that it's processed
+ * from hardirq context too (such as hpsb_bus_reset()). Hence
+ * split the lock class from the usual networking skb-head
+ * lock class by using a separate key for it:
+ */
+static struct lock_class_key pending_packet_queue_key;
+
+static DEFINE_MUTEX(host_num_alloc);
+
/**
* hpsb_alloc_host - allocate a new host controller.
* @drv: the driver that will manage the host controller
* driver specific parts, enable the controller and make it available
* to the general subsystem using hpsb_add_host().
*
- * Return Value: a pointer to the &hpsb_host if succesful, %NULL if
+ * Return Value: a pointer to the &hpsb_host if successful, %NULL if
* no memory was available.
*/
-static DECLARE_MUTEX(host_num_alloc);
-
struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
struct device *dev)
{
h->driver = drv;
skb_queue_head_init(&h->pending_packet_queue);
+ lockdep_set_class(&h->pending_packet_queue.lock,
+ &pending_packet_queue_key);
INIT_LIST_HEAD(&h->addr_space);
for (i = 2; i < 16; i++)
h->csr.gen_timestamp[i] = jiffies - 60 * HZ;
- for (i = 0; i < ARRAY_SIZE(h->tpool); i++)
- HPSB_TPOOL_INIT(&h->tpool[i]);
-
atomic_set(&h->generation, 0);
INIT_WORK(&h->delayed_reset, delayed_reset_bus, h);
h->topology_map = h->csr.topology_map + 3;
h->speed_map = (u8 *)(h->csr.speed_map + 2);
- down(&host_num_alloc);
+ mutex_lock(&host_num_alloc);
while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb))
hostnum++;
class_device_register(&h->class_dev);
get_device(&h->device);
- up(&host_num_alloc);
+ mutex_unlock(&host_num_alloc);
return h;
}