diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 20:01:16 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 20:01:16 -0700 |
commit | 34641a58a227e498adf471ab016bd054cc399d7e (patch) | |
tree | da1e0af965d06d0c6e13c546ac01f6a54a904d86 /drivers/ieee1394/ieee1394_core.c | |
parent | 2eec0e0842ef747027eb9181d5f50d7157184d57 (diff) | |
parent | 7136b8073f0123918e3e50269ae021bbb09e1a81 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6: (28 commits)
eth1394: replace __constant_htons by htons
ieee1394: adjust code formatting in highlevel.c
ieee1394: hl_irqs_lock is taken in hardware interrupt context
ieee1394_core: switch to kthread API
ieee1394: sbp2: Kconfig fix
ieee1394: add preprocessor constant for invalid csr address
sbp2: fix deregistration of status fifo address space
[PATCH] eth1394: endian fixes
Fix broken suspend/resume in ohci1394
sbp2: use __attribute__((packed)) for on-the-wire structures
sbp2: provide helptext for CONFIG_IEEE1394_SBP2_PHYS_DMA and mark it experimental
Update feature removal of obsolete raw1394 ISO requests.
sbp2: fix S800 transfers if phys_dma is off
sbp2: remove ohci1394 specific constant
ohci1394: make phys_dma parameter read-only
ohci1394: set address range properties
ieee1394: extend lowlevel API for address range properties
sbp2: log number of supported concurrent logins
sbp2: remove manipulation of inquiry response
ieee1394: save RAM by using a single tlabel for broadcast transactions
...
Diffstat (limited to 'drivers/ieee1394/ieee1394_core.c')
-rw-r--r-- | drivers/ieee1394/ieee1394_core.c | 62 |
1 files changed, 24 insertions, 38 deletions
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index be6854e25ad..49354de9fb8 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -33,6 +33,7 @@ #include <linux/kdev_t.h> #include <linux/skbuff.h> #include <linux/suspend.h> +#include <linux/kthread.h> #include <asm/byteorder.h> #include <asm/semaphore.h> @@ -285,9 +286,9 @@ static int check_selfids(struct hpsb_host *host) static void build_speed_map(struct hpsb_host *host, int nodecount) { - u8 speedcap[nodecount]; u8 cldcnt[nodecount]; u8 *map = host->speed_map; + u8 *speedcap = host->speed; struct selfid *sid; struct ext_selfid *esid; int i, j, n; @@ -354,6 +355,11 @@ static void build_speed_map(struct hpsb_host *host, int nodecount) } } } + + /* assume maximum speed for 1394b PHYs, nodemgr will correct it */ + for (n = 0; n < nodecount; n++) + if (speedcap[n] == 3) + speedcap[n] = IEEE1394_SPEED_MAX; } @@ -554,11 +560,10 @@ int hpsb_send_packet(struct hpsb_packet *packet) return 0; } - if (packet->type == hpsb_async && packet->node_id != ALL_NODES) { + if (packet->type == hpsb_async && + NODEID_TO_NODE(packet->node_id) != ALL_NODES) packet->speed_code = - host->speed_map[NODEID_TO_NODE(host->node_id) * 64 - + NODEID_TO_NODE(packet->node_id)]; - } + host->speed[NODEID_TO_NODE(packet->node_id)]; dump_packet("send packet", packet->header, packet->header_size, packet->speed_code); @@ -997,11 +1002,8 @@ void abort_timedouts(unsigned long __opaque) * packets that have a "complete" function are sent here. This way, the * completion is run out of kernel context, and doesn't block the rest of * the stack. */ -static int khpsbpkt_pid = -1, khpsbpkt_kill; -static DECLARE_COMPLETION(khpsbpkt_complete); +static struct task_struct *khpsbpkt_thread; static struct sk_buff_head hpsbpkt_queue; -static DECLARE_MUTEX_LOCKED(khpsbpkt_sig); - static void queue_packet_complete(struct hpsb_packet *packet) { @@ -1011,9 +1013,7 @@ static void queue_packet_complete(struct hpsb_packet *packet) } if (packet->complete_routine != NULL) { skb_queue_tail(&hpsbpkt_queue, packet->skb); - - /* Signal the kernel thread to handle this */ - up(&khpsbpkt_sig); + wake_up_process(khpsbpkt_thread); } return; } @@ -1025,19 +1025,9 @@ static int hpsbpkt_thread(void *__hi) void (*complete_routine)(void*); void *complete_data; - daemonize("khpsbpkt"); - current->flags |= PF_NOFREEZE; - while (1) { - if (down_interruptible(&khpsbpkt_sig)) { - printk("khpsbpkt: received unexpected signal?!\n" ); - break; - } - - if (khpsbpkt_kill) - break; - + while (!kthread_should_stop()) { while ((skb = skb_dequeue(&hpsbpkt_queue)) != NULL) { packet = (struct hpsb_packet *)skb->data; @@ -1048,9 +1038,13 @@ static int hpsbpkt_thread(void *__hi) complete_routine(complete_data); } - } - complete_and_exit(&khpsbpkt_complete, 0); + set_current_state(TASK_INTERRUPTIBLE); + if (!skb_peek(&hpsbpkt_queue)) + schedule(); + __set_current_state(TASK_RUNNING); + } + return 0; } static int __init ieee1394_init(void) @@ -1065,10 +1059,10 @@ static int __init ieee1394_init(void) HPSB_ERR("Some features may not be available\n"); } - khpsbpkt_pid = kernel_thread(hpsbpkt_thread, NULL, CLONE_KERNEL); - if (khpsbpkt_pid < 0) { + khpsbpkt_thread = kthread_run(hpsbpkt_thread, NULL, "khpsbpkt"); + if (IS_ERR(khpsbpkt_thread)) { HPSB_ERR("Failed to start hpsbpkt thread!\n"); - ret = -ENOMEM; + ret = PTR_ERR(khpsbpkt_thread); goto exit_cleanup_config_roms; } @@ -1148,10 +1142,7 @@ release_all_bus: release_chrdev: unregister_chrdev_region(IEEE1394_CORE_DEV, 256); exit_release_kernel_thread: - if (khpsbpkt_pid >= 0) { - kill_proc(khpsbpkt_pid, SIGTERM, 1); - wait_for_completion(&khpsbpkt_complete); - } + kthread_stop(khpsbpkt_thread); exit_cleanup_config_roms: hpsb_cleanup_config_roms(); return ret; @@ -1172,12 +1163,7 @@ static void __exit ieee1394_cleanup(void) bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]); bus_unregister(&ieee1394_bus_type); - if (khpsbpkt_pid >= 0) { - khpsbpkt_kill = 1; - mb(); - up(&khpsbpkt_sig); - wait_for_completion(&khpsbpkt_complete); - } + kthread_stop(khpsbpkt_thread); hpsb_cleanup_config_roms(); |