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| author | Vignesh Raghavendra <[email protected]> | 2020-02-04 18:18:16 +0530 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-02-06 15:53:57 +0000 |
| commit | 32f2fc5dc3992b4b60cc6b1a6a31be605cc9c3a2 (patch) | |
| tree | 3c2661a2487ca02142a7de0ed8abc9a73b58638d /tools/perf/scripts/python/stackcollapse.py | |
| parent | e4e8276a4f652be2c7bb783a0155d4adb85f5d7d (diff) | |
spi: spi-omap2-mcspi: Support probe deferral for DMA channels
dma_request_channel() can return -EPROBE_DEFER, if DMA driver is not
ready. Currently driver just falls back to PIO mode on probe deferral.
Fix this by requesting all required channels during probe and
propagating EPROBE_DEFER error code.
Signed-off-by: Vignesh Raghavendra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions