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| author | Michael Walle <michael@walle.cc> | 2020-03-25 10:06:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-26 15:34:05 +0100 |
| commit | d0e7600b914c9fd4935fe6dabf0cd5d71cb94347 (patch) | |
| tree | 480b2a47d73395835b6d446ddb3b8d8f3781c120 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | a0c4adeeea84889890bb4c7a28dc58b7c764e4ad (diff) | |
tty: serial: fsl_lpuart: move dma_request_chan()
Move dma_request_chan() out of the atomic context. First this call
should not be in the atomic context at all and second the
dev_info_once() may cause a hang because because the console takes this
spinlock, too.
Fixes: 159381df1442f ("tty: serial: fsl_lpuart: fix DMA operation when using IOMMU")
Reported-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Tested-by: Leonard Crestez <leonard.crestez@nxp.com>
Link: https://lore.kernel.org/r/20200325090658.25967-1-michael@walle.cc
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