Zhu Yi dd48744964 iwlwifi: fix DMA allocation warnings ... Below warning is triggered sometimes at module removal time when CONFIG_DMA_API_DEBUG is enabled. This should be caused by we didn't unmap pending commands (enqueued, but no complete notification received) for the Tx command queue. [ 1583.107469] ------------[ cut here ]------------ [ 1583.107539] WARNING: at lib/dma-debug.c:688 dma_debug_device_change+0x13c/0x180() [ 1583.107617] Hardware name: ... [ 1583.107664] pci 0000:04:00.0: DMA-API: device driver has pending DMA allocations while released from device [count=1] [ 1583.107713] Modules linked in: ... [ 1583.111661] Pid: 16970, comm: modprobe Tainted: G W 2.6.34-rc1-wl #33 [ 1583.111727] Call Trace: [ 1583.111779] [<c02a281c>] ? dma_debug_device_change+0x13c/0x180 [ 1583.111833] [<c02a281c>] ? dma_debug_device_change+0x13c/0x180 [ 1583.111908] [<c0138e11>] warn_slowpath_common+0x71/0xd0 [ 1583.111963] [<c02a281c>] ? dma_debug_device_change+0x13c/0x180 [ 1583.112016] [<c0138ebb>] warn_slowpath_fmt+0x2b/0x30 [ 1583.112086] [<c02a281c>] dma_debug_device_change+0x13c/0x180 [ 1583.112142] [<c03e6c33>] notifier_call_chain+0x53/0x90 [ 1583.112198] [<c03e1ebe>] ? down_read+0x6e/0x90 [ 1583.112271] [<c015b229>] __blocking_notifier_call_chain+0x49/0x70 [ 1583.112326] [<c015b26f>] blocking_notifier_call_chain+0x1f/0x30 [ 1583.112380] [<c031931c>] __device_release_driver+0x8c/0xa0 [ 1583.112451] [<c03193bf>] driver_detach+0x8f/0xa0 [ 1583.112538] [<c0318382>] bus_remove_driver+0x82/0x100 [ 1583.112595] [<c0319ad9>] driver_unregister+0x49/0x80 [ 1583.112671] [<c024feb2>] ? sysfs_remove_file+0x12/0x20 [ 1583.112727] [<c02aa292>] pci_unregister_driver+0x32/0x80 [ 1583.112791] [<fc13a3c1>] iwl_exit+0x12/0x19 [iwlagn] [ 1583.112848] [<c017940a>] sys_delete_module+0x15a/0x210 [ 1583.112870] [<c015a5db>] ? up_read+0x1b/0x30 [ 1583.112893] [<c029600c>] ? trace_hardirqs_off_thunk+0xc/0x10 [ 1583.112924] [<c0295ffc>] ? trace_hardirqs_on_thunk+0xc/0x10 [ 1583.112947] [<c03e6a1f>] ? do_page_fault+0x1ff/0x3c0 [ 1583.112978] [<c03e36f6>] ? restore_all_notrace+0x0/0x18 [ 1583.113002] [<c016aa70>] ? trace_hardirqs_on_caller+0x20/0x190 [ 1583.113025] [<c0102d58>] sysenter_do_call+0x12/0x38 [ 1583.113054] ---[ end trace fc23e059cc4c2ced ]--- Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>		2010-04-02 11:12:20 -07:00
..
iwl3945-base.c	iwlwifi: range checking issue	2010-03-30 15:37:36 -04:00
iwl-1000.c	iwlwifi: Adjusting PLCP error threshold for 1000 NIC	2010-02-11 10:27:05 -08:00
iwl-3945-fh.h
iwl-3945-hw.h
iwl-3945-led.c
iwl-3945-led.h
iwl-3945-rs.c
iwl-3945.c	iwl3945: fix memory corruption	2010-03-09 16:15:33 -08:00
iwl-3945.h	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6	2010-02-25 23:26:21 -08:00
iwl-4965-hw.h
iwl-4965.c	iwlwifi: counting number of tfds can be free for 4965	2010-03-30 15:37:30 -04:00
iwl-5000-hw.h
iwl-5000.c	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2010-02-26 16:54:45 -05:00
iwl-6000-hw.h
iwl-6000.c	iwlwifi: indicate calib version for 6050 series	2010-02-19 15:52:49 -05:00
iwl-agn-led.c
iwl-agn-led.h
iwl-agn-rs.c	iwlwifi: check for aggregation frame and queue	2010-02-11 10:26:10 -08:00
iwl-agn-rs.h
iwl-agn.c	iwlwifi: clear unattended interrupts in tasklet	2010-03-30 15:37:31 -04:00
iwl-calib.c
iwl-calib.h
iwl-commands.h	Merge branch 'wireless-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6	2010-02-26 16:58:18 -05:00
iwl-core.c	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2010-02-26 16:54:45 -05:00
iwl-core.h	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2010-02-26 16:54:45 -05:00
iwl-csr.h	iwlwifi: indicate calib version for 6050 series	2010-02-19 15:52:49 -05:00
iwl-debug.h
iwl-debugfs.c	iwlwifi: add debugfs to monitor force reset parameters	2010-02-19 15:52:50 -05:00
iwl-dev.h	iwlwifi: load firmware asynchronously before mac80211 registration	2010-03-02 14:31:51 -05:00
iwl-devtrace.c
iwl-devtrace.h
iwl-eeprom.c
iwl-eeprom.h
iwl-fh.h
iwl-hcmd.c	iwlwifi: enable serialization of synchronous commands	2010-02-19 15:52:49 -05:00
iwl-helpers.h	iwlwifi: use dma_alloc_coherent	2010-02-11 10:27:18 -08:00
iwl-io.h
iwl-led.c
iwl-led.h
iwl-power.c
iwl-power.h
iwl-prph.h
iwl-rx.c	Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6	2010-02-26 16:58:26 -05:00
iwl-scan.c	Revert "iwlwifi: Send broadcast probe request only when asked to"	2010-03-09 16:16:04 -08:00
iwl-spectrum.h
iwl-sta.c	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	2010-02-08 16:38:38 -05:00
iwl-sta.h
iwl-tx.c	iwlwifi: fix DMA allocation warnings	2010-04-02 11:12:20 -07:00
Kconfig
Makefile