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| author |   Wei Yongjun <weiyongjun1@huawei.com> | 2021-12-28 12:55:22 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-30 14:11:40 +0100 |
| commit | fcee5ce50bdb21116711e38635e3865594af907e (patch) | |
| tree | 8a3061566e7dc868d0611b2caa51a4c448a659d7 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Merge tag 'phy-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next (diff) | |
| download | wireguard-linux-fcee5ce50bdb21116711e38635e3865594af907e.tar.xz wireguard-linux-fcee5ce50bdb21116711e38635e3865594af907e.zip | |
misc: lattice-ecp3-config: Fix task hung when firmware load failed
When firmware load failed, kernel report task hung as follows:
INFO: task xrun:5191 blocked for more than 147 seconds.
Tainted: G W 5.16.0-rc5-next-20211220+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:xrun state:D stack: 0 pid: 5191 ppid: 270 flags:0x00000004
Call Trace:
__schedule+0xc12/0x4b50 kernel/sched/core.c:4986
schedule+0xd7/0x260 kernel/sched/core.c:6369 (discriminator 1)
schedule_timeout+0x7aa/0xa80 kernel/time/timer.c:1857
wait_for_completion+0x181/0x290 kernel/sched/completion.c:85
lattice_ecp3_remove+0x32/0x40 drivers/misc/lattice-ecp3-config.c:221
spi_remove+0x72/0xb0 drivers/spi/spi.c:409
lattice_ecp3_remove() wait for signals from firmware loading, but when
load failed, firmware_load() does not send this signal. This cause
device remove hung. Fix it by sending signal even if load failed.
Fixes: 781551df57c7 ("misc: Add Lattice ECP3 FPGA configuration via SPI")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20211228125522.3122284-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions