Based on the code in the rtx200 directories that has a call to input_allocate_device() that was not present in b43, I made a modification to drivers/net/wireless/b43/rfkill.c as follows:
Index: wireless-2.6/drivers/net/wireless/b43/rfkill.c =================================================================== --- wireless-2.6.orig/drivers/net/wireless/b43/rfkill.c +++ wireless-2.6/drivers/net/wireless/b43/rfkill.c @@ -133,6 +133,16 @@ void b43_rfkill_init(struct b43_wldev *d rfk->poll_dev->poll = b43_rfkill_poll; rfk->poll_dev->poll_interval = 1000; /* msecs */ + rfk->poll_dev->input = input_allocate_device(); + if (!rfk->poll_dev->input) + goto err_free_polldev; + + rfk->poll_dev->input->name = rfk->name; + rfk->poll_dev->input->id.bustype = BUS_HOST; + rfk->poll_dev->input->id.vendor = dev->dev->bus->boardinfo.vendor; + rfk->poll_dev->input->evbit[0] = BIT(EV_KEY); + set_bit(KEY_WLAN, rfk->poll_dev->input->keybit); + err = rfkill_register(rfk->rfkill); if (err) goto err_free_polldev; With this change, the input device is attached to b43. The message now is "input: b43-phy0 as /class/input/input7" rather than the "input: Unspecified device as /class/input/input7" that I had before. When the radio switch is toggled, I see the expected output: b43-phy0: Radio hardware status changed to DISABLED eth1: No ProbeResp from current AP 00:1a:70:46:ba:b1 - assume out of range eth1: No STA entry for own AP 00:1a:70:46:ba:b1 b43-phy0: Radio hardware status changed to ENABLED We then get a locking problem: ======================================================= [ INFO: possible circular locking dependency detected ] 2.6.24-rc3-L2.6-g65d438bf-dirty #24 ------------------------------------------------------- events/0/9 is trying to acquire lock: (&wl->mutex){--..}, at: [<ffffffff882a31e1>] b43_rfkill_soft_toggle+0x33/0xb2 [b43] but task is already holding lock: (&rfkill->mutex){--..}, at: [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&rfkill->mutex){--..}: [<ffffffff8025951c>] __lock_acquire+0xb34/0xd47 [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff802597b4>] lock_acquire+0x85/0xa9 [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff8040e32e>] mutex_lock_interruptible_nested+0x113/0x31e [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff8040bd64>] rfkill_register+0x9b/0x107 [<ffffffff882a3040>] b43_rfkill_init+0x15e/0x1cb [b43] [<ffffffff88293ad4>] b43_wireless_core_init+0x682/0x784 [b43] [<ffffffff882948a6>] b43_op_start+0x33/0x74 [b43] [<ffffffff881f2a76>] ieee80211_open+0x1c7/0x3dd [mac80211] [<ffffffff803b2fda>] dev_open+0x4e/0x88 [<ffffffff803b18a2>] dev_change_flags+0xaf/0x16b [<ffffffff803b9f9d>] do_setlink+0x27a/0x346 [<ffffffff8040fa9c>] _read_unlock+0x26/0x2b [<ffffffff803bb233>] rtnl_setlink+0xf9/0x11c [<ffffffff803bb0d3>] rtnetlink_rcv_msg+0x1b6/0x1d5 [<ffffffff803baf1d>] rtnetlink_rcv_msg+0x0/0x1d5 [<ffffffff803c36a5>] netlink_rcv_skb+0x3e/0xaa [<ffffffff803baf14>] rtnetlink_rcv+0x20/0x29 [<ffffffff803c344c>] netlink_unicast+0x1d9/0x23a [<ffffffff803ac19e>] __alloc_skb+0x8a/0x138 [<ffffffff803c3c79>] netlink_sendmsg+0x2aa/0x2bd [<ffffffff803a6249>] sock_sendmsg+0xdf/0xf8 [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8025970e>] __lock_acquire+0xd26/0xd47 [<ffffffff803a6b7f>] move_addr_to_kernel+0x40/0x49 [<ffffffff803ad5b9>] verify_iovec+0x4f/0x8e [<ffffffff803a6443>] sys_sendmsg+0x1e1/0x253 [<ffffffff80250916>] up_read+0x26/0x2a [<ffffffff8022581f>] do_page_fault+0x3bf/0x764 [<ffffffff803a72c4>] sys_getsockname+0x66/0x8c [<ffffffff80258540>] trace_hardirqs_on+0x11c/0x147 [<ffffffff8040f5b8>] trace_hardirqs_on_thunk+0x35/0x3a [<ffffffff8020c0de>] system_call+0x7e/0x83 [<ffffffffffffffff>] 0xffffffffffffffff -> #1 (rfkill_mutex){--..}: [<ffffffff8025951c>] __lock_acquire+0xb34/0xd47 [<ffffffff8040bd50>] rfkill_register+0x87/0x107 [<ffffffff802597b4>] lock_acquire+0x85/0xa9 [<ffffffff8040bd50>] rfkill_register+0x87/0x107 [<ffffffff8040bd50>] rfkill_register+0x87/0x107 [<ffffffff8040e78a>] mutex_lock_nested+0x10e/0x2b6 [<ffffffff8040bd50>] rfkill_register+0x87/0x107 [<ffffffff882a3040>] b43_rfkill_init+0x15e/0x1cb [b43] [<ffffffff88293ad4>] b43_wireless_core_init+0x682/0x784 [b43] [<ffffffff882948a6>] b43_op_start+0x33/0x74 [b43] [<ffffffff881f2a76>] ieee80211_open+0x1c7/0x3dd [mac80211] [<ffffffff803b2fda>] dev_open+0x4e/0x88 [<ffffffff803b18a2>] dev_change_flags+0xaf/0x16b [<ffffffff803b9f9d>] do_setlink+0x27a/0x346 [<ffffffff8040fa9c>] _read_unlock+0x26/0x2b [<ffffffff803bb233>] rtnl_setlink+0xf9/0x11c [<ffffffff803bb0d3>] rtnetlink_rcv_msg+0x1b6/0x1d5 [<ffffffff803baf1d>] rtnetlink_rcv_msg+0x0/0x1d5 [<ffffffff803c36a5>] netlink_rcv_skb+0x3e/0xaa [<ffffffff803baf14>] rtnetlink_rcv+0x20/0x29 [<ffffffff803c344c>] netlink_unicast+0x1d9/0x23a [<ffffffff803ac19e>] __alloc_skb+0x8a/0x138 [<ffffffff803c3c79>] netlink_sendmsg+0x2aa/0x2bd [<ffffffff803a6249>] sock_sendmsg+0xdf/0xf8 [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8025970e>] __lock_acquire+0xd26/0xd47 [<ffffffff803a6b7f>] move_addr_to_kernel+0x40/0x49 [<ffffffff803ad5b9>] verify_iovec+0x4f/0x8e [<ffffffff803a6443>] sys_sendmsg+0x1e1/0x253 [<ffffffff80250916>] up_read+0x26/0x2a [<ffffffff8022581f>] do_page_fault+0x3bf/0x764 [<ffffffff803a72c4>] sys_getsockname+0x66/0x8c [<ffffffff80258540>] trace_hardirqs_on+0x11c/0x147 [<ffffffff8040f5b8>] trace_hardirqs_on_thunk+0x35/0x3a [<ffffffff8020c0de>] system_call+0x7e/0x83 [<ffffffffffffffff>] 0xffffffffffffffff -> #0 (&wl->mutex){--..}: [<ffffffff80256dd7>] print_circular_bug_entry+0x48/0x4f [<ffffffff8025941e>] __lock_acquire+0xa36/0xd47 [<ffffffff882a31e1>] b43_rfkill_soft_toggle+0x33/0xb2 [b43] [<ffffffff802597b4>] lock_acquire+0x85/0xa9 [<ffffffff882a31e1>] b43_rfkill_soft_toggle+0x33/0xb2 [b43] [<ffffffff882a31e1>] b43_rfkill_soft_toggle+0x33/0xb2 [b43] [<ffffffff8040e78a>] mutex_lock_nested+0x10e/0x2b6 [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff8040bf6f>] rfkill_task_handler+0x0/0x54 [<ffffffff882a31e1>] b43_rfkill_soft_toggle+0x33/0xb2 [b43] [<ffffffff8040b944>] rfkill_toggle_radio+0x3c/0x7d [<ffffffff8040be96>] rfkill_switch_all+0x3e/0x78 [<ffffffff8040bfab>] rfkill_task_handler+0x3c/0x54 [<ffffffff80249914>] run_workqueue+0xeb/0x200 [<ffffffff8024a500>] worker_thread+0xed/0xfe [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8024a413>] worker_thread+0x0/0xfe [<ffffffff8024da6e>] kthread+0x49/0x77 [<ffffffff8020d018>] child_rip+0xa/0x12 [<ffffffff8020c72f>] restore_args+0x0/0x30 [<ffffffff8024da25>] kthread+0x0/0x77 [<ffffffff8020d00e>] child_rip+0x0/0x12 [<ffffffffffffffff>] 0xffffffffffffffff other info that might help us debug this: 5 locks held by events/0/9: #0: (events){--..}, at: [<ffffffff802498c9>] run_workqueue+0xa0/0x200 #1: (rfkill_wlan.work){--..}, at: [<ffffffff802498c9>] run_workqueue+0xa0/0x200 #2: (rfkill_wlan.mutex){--..}, at: [<ffffffff8040bf8d>] rfkill_task_handler+0x1e/0x54 #3: (rfkill_mutex){--..}, at: [<ffffffff8040be74>] rfkill_switch_all+0x1c/0x78 #4: (&rfkill->mutex){--..}, at: [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d stack backtrace: Call Trace: [<ffffffff8025779c>] print_circular_bug_tail+0x70/0x7b [<ffffffff80256dd7>] print_circular_bug_entry+0x48/0x4f [<ffffffff8025941e>] __lock_acquire+0xa36/0xd47 [<ffffffff882a31e1>] :b43:b43_rfkill_soft_toggle+0x33/0xb2 [<ffffffff802597b4>] lock_acquire+0x85/0xa9 [<ffffffff882a31e1>] :b43:b43_rfkill_soft_toggle+0x33/0xb2 [<ffffffff882a31e1>] :b43:b43_rfkill_soft_toggle+0x33/0xb2 [<ffffffff8040e78a>] mutex_lock_nested+0x10e/0x2b6 [<ffffffff8040b927>] rfkill_toggle_radio+0x1f/0x7d [<ffffffff8040bf6f>] rfkill_task_handler+0x0/0x54 [<ffffffff882a31e1>] :b43:b43_rfkill_soft_toggle+0x33/0xb2 [<ffffffff8040b944>] rfkill_toggle_radio+0x3c/0x7d [<ffffffff8040be96>] rfkill_switch_all+0x3e/0x78 [<ffffffff8040bfab>] rfkill_task_handler+0x3c/0x54 [<ffffffff80249914>] run_workqueue+0xeb/0x200 [<ffffffff8024a500>] worker_thread+0xed/0xfe [<ffffffff8024db89>] autoremove_wake_function+0x0/0x38 [<ffffffff8024a413>] worker_thread+0x0/0xfe [<ffffffff8024da6e>] kthread+0x49/0x77 [<ffffffff8020d018>] child_rip+0xa/0x12 [<ffffffff8020c72f>] restore_args+0x0/0x30 [<ffffffff8024da25>] kthread+0x0/0x77 [<ffffffff8020d00e>] child_rip+0x0/0x12 During all this, the LED is not turned on. I'm hoping it won't be too difficult to sort this out. I've gotten in a little deeper than I want. Thanks, Larry _______________________________________________ Bcm43xx-dev mailing list Bcm43xx-dev@lists.berlios.de https://lists.berlios.de/mailman/listinfo/bcm43xx-dev