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86f7ac77d4
It's been observed that when bluetooth driver fails to
activate the firmware, below hung task warning dump is
displayed after 120 seconds.
[ 36.461022] Bluetooth: vendor=0x2df, device=0x912e, class=255, fn=2
[ 56.512128] Bluetooth: FW failed to be active in time!
[ 56.517264] Bluetooth: Downloading firmware failed!
[ 240.252176] INFO: task kworker/3:2:129 blocked for more than 120 seconds.
[ 240.258931] Not tainted 3.18.0 #254
[ 240.262972] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 240.270751] kworker/3:2 D ffffffc000205760 0 129 2 0x00000000
[ 240.277825] Workqueue: events request_firmware_work_func
[ 240.283134] Call trace:
[ 240.285581] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.290693] [<ffffffc00088dae0>] __schedule+0x540/0x7b8
[ 240.295921] [<ffffffc00088ddd0>] schedule+0x78/0x84
[ 240.300764] [<ffffffc0006dfd48>] __mmc_claim_host+0xe8/0x1c8
[ 240.306395] [<ffffffc0006edd6c>] sdio_claim_host+0x74/0x84
[ 240.311840] [<ffffffbffc163d08>] 0xffffffbffc163d08
[ 240.316685] [<ffffffbffc165104>] 0xffffffbffc165104
[ 240.321524] [<ffffffbffc130cf8>] mwifiex_dnld_fw+0x98/0x110 [mwifiex]
[ 240.327918] [<ffffffbffc12ee88>] mwifiex_remove_card+0x2c4/0x5fc [mwifiex]
[ 240.334741] [<ffffffc000596780>] request_firmware_work_func+0x44/0x80
[ 240.341127] [<ffffffc00023b934>] process_one_work+0x2ec/0x50c
[ 240.346831] [<ffffffc00023c6a0>] worker_thread+0x350/0x470
[ 240.352272] [<ffffffc0002419bc>] kthread+0xf0/0xfc
[ 240.357019] 2 locks held by kworker/3:2/129:
[ 240.361248] #0: ("events"){.+.+.+}, at: [<ffffffc00023b840>] process_one_work+0x1f8/0x50c
[ 240.369562] #1: ((&fw_work->work)){+.+.+.}, at: [<ffffffc00023b840>] process_one_work+0x1f8/0x50c
[ 240.378589] task PC stack pid father
[ 240.384501] kworker/1:1 D ffffffc000205760 0 40 2 0x00000000
[ 240.391524] Workqueue: events mtk_atomic_work
[ 240.395884] Call trace:
[ 240.398317] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.403448] [<ffffffc00027279c>] lock_acquire+0x128/0x164
[ 240.408821] kworker/3:2 D ffffffc000205760 0 129 2 0x00000000
[ 240.415867] Workqueue: events request_firmware_work_func
[ 240.421138] Call trace:
[ 240.423589] [<ffffffc000205760>] __switch_to+0x80/0x8c
[ 240.428688] [<ffffffc00088dae0>] __schedule+0x540/0x7b8
[ 240.433886] [<ffffffc00088ddd0>] schedule+0x78/0x84
[ 240.438732] [<ffffffc0006dfd48>] __mmc_claim_host+0xe8/0x1c8
[ 240.444361] [<ffffffc0006edd6c>] sdio_claim_host+0x74/0x84
[ 240.449801] [<ffffffbffc163d08>] 0xffffffbffc163d08
[ 240.454649] [<ffffffbffc165104>] 0xffffffbffc165104
[ 240.459486] [<ffffffbffc130cf8>] mwifiex_dnld_fw+0x98/0x110 [mwifiex]
[ 240.465882] [<ffffffbffc12ee88>] mwifiex_remove_card+0x2c4/0x5fc [mwifiex]
[ 240.472705] [<ffffffc000596780>] request_firmware_work_func+0x44/0x80
[ 240.479090] [<ffffffc00023b934>] process_one_work+0x2ec/0x50c
[ 240.484794] [<ffffffc00023c6a0>] worker_thread+0x350/0x470
[ 240.490231] [<ffffffc0002419bc>] kthread+0xf0/0xfc
This patch adds missing sdio_release_host() call so that wlan driver
thread can claim sdio host.
Fixes:
|
||
|---|---|---|
| .. | ||
| ath3k.c | ||
| bcm203x.c | ||
| bfusb.c | ||
| bluecard_cs.c | ||
| bpa10x.c | ||
| bt3c_cs.c | ||
| btbcm.c | ||
| btbcm.h | ||
| btintel.c | ||
| btintel.h | ||
| btmrvl_debugfs.c | ||
| btmrvl_drv.h | ||
| btmrvl_main.c | ||
| btmrvl_sdio.c | ||
| btmrvl_sdio.h | ||
| btqca.c | ||
| btqca.h | ||
| btrtl.c | ||
| btrtl.h | ||
| btsdio.c | ||
| btuart_cs.c | ||
| btusb.c | ||
| btwilink.c | ||
| dtl1_cs.c | ||
| hci_ath.c | ||
| hci_bcm.c | ||
| hci_bcsp.c | ||
| hci_h4.c | ||
| hci_h5.c | ||
| hci_intel.c | ||
| hci_ldisc.c | ||
| hci_ll.c | ||
| hci_qca.c | ||
| hci_uart.h | ||
| hci_vhci.c | ||
| Kconfig | ||
| Makefile | ||