linux/drivers/bluetooth
Chin-Ran Lo 86f7ac77d4 Bluetooth: btmrvl: fix hung task warning dump
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: 4863e4cc31 ("Bluetooth: btmrvl: release sdio bus after firmware is up")
Signed-off-by: Chin-Ran Lo <crlo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-01-04 19:25:56 +01:00
..
ath3k.c Bluetooth: ath3k: Add support of AR3012 0cf3:817b device 2015-10-21 00:49:23 +02:00
bcm203x.c Bluetooth: bcm203x: Remove redundant error message 2015-12-22 15:25:33 +01:00
bfusb.c Bluetooth: bfusb: Fix the return error code 2015-12-22 15:25:33 +01:00
bluecard_cs.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
bpa10x.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
bt3c_cs.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
btbcm.c Bluetooth: btbcm: Read USB product information for Apple devices 2015-10-21 00:49:23 +02:00
btbcm.h Bluetooth: btbcm: Support the BCM4354 Bluetooth UART device 2015-06-17 18:56:53 +02:00
btintel.c Bluetooth: btintel: Create common Intel Version Read function 2015-12-10 00:51:51 +01:00
btintel.h Bluetooth: btintel: Create common Intel Version Read function 2015-12-10 00:51:51 +01:00
btmrvl_debugfs.c Bluetooth: btmrvl add firmware dump support 2014-12-03 17:35:51 +01:00
btmrvl_drv.h Bluetooth: btmrvl: Coding style Fix for btmrvl header 2015-07-27 10:30:32 +03:00
btmrvl_main.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
btmrvl_sdio.c Bluetooth: btmrvl: fix hung task warning dump 2016-01-04 19:25:56 +01:00
btmrvl_sdio.h Bluetooth: btmrvl add firmware dump support 2014-12-03 17:35:51 +01:00
btqca.c Bluetooth: btqca: Introduce generic QCA ROME support 2015-08-10 23:52:20 +02:00
btqca.h Bluetooth: btqca: Introduce generic QCA ROME support 2015-08-10 23:52:20 +02:00
btrtl.c Bluetooth: btrtl: Create separate module for Realtek BT driver 2015-05-14 12:04:12 +02:00
btrtl.h Bluetooth: btrtl: Create separate module for Realtek BT driver 2015-05-14 12:04:12 +02:00
btsdio.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
btuart_cs.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
btusb.c Bluetooth: btintel: Create common Intel Version Read function 2015-12-10 00:51:51 +01:00
btwilink.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
dtl1_cs.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_ath.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_bcm.c Bluetooth: hci_bcm: new ACPI IDs 2016-01-04 19:22:57 +01:00
hci_bcsp.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_h4.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_h5.c Bluetooth: h5: Do not initialize Configuration field 2015-12-10 19:19:17 +01:00
hci_intel.c Bluetooth: btintel: Create common Intel Version Read function 2015-12-10 00:51:51 +01:00
hci_ldisc.c Bluetooth: hci_ldisc: Remove dead code 2015-12-10 00:51:50 +01:00
hci_ll.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_qca.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
hci_uart.h Bluetooth: hci_uart: Provide initial manufacturer information 2015-10-21 07:20:44 +03:00
hci_vhci.c Bluetooth: Use new hci_skb_pkt_* wrappers for drivers 2015-11-19 17:50:27 +01:00
Kconfig Bluetooth: bpa10x: fix BT_HCIUART dependency 2015-10-21 00:49:22 +02:00
Makefile Bluetooth: hciuart: Add support QCA chipset for UART 2015-08-10 23:52:20 +02:00