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From stress testing of arecord, we found that period size greater than ~900 will bring pl330 to DYING state and can not recover within 100 iterations. The result is that arecord will stuck and get I/O error, and issue can not be recovered until reboot. This issue does not happen when period size is small. Set constraint of period size to 240 to prevent such issue. With the constraint, there will be no issue after 2000 iterations. We can revert this patch once the root cause is found in rockchip's pl330 implementation. Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> Link: https://lore.kernel.org/r/20190813074430.191791-1-cychiang@chromium.org Signed-off-by: Mark Brown <broonie@kernel.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| rk3288_hdmi_analog.c | ||
| rk3399_gru_sound.c | ||
| rockchip_i2s.c | ||
| rockchip_i2s.h | ||
| rockchip_max98090.c | ||
| rockchip_pcm.c | ||
| rockchip_pcm.h | ||
| rockchip_pdm.c | ||
| rockchip_pdm.h | ||
| rockchip_rt5645.c | ||
| rockchip_spdif.c | ||
| rockchip_spdif.h | ||