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linux/drivers/memory/tegra
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Dmitry Osipenko 6ce84ab649 memory: tegra: Check whether reset is already asserted 
Check whether memory client reset is already asserted in order to prevent
DMA-flush error on trying to re-assert an already asserted reset.

This becomes a problem once PMC GENPD is enabled to use memory resets
since GENPD will get a error and fail to toggle power domain. PMC GENPDs
can't be toggled safely without holding memory reset on Tegra and we're
about to fix this.

Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30
Tested-by: Nicolas Chauvet <kwizart@gmail.com> # PAZ00 T20
Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210119235210.13006-1-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2021-01-23 00:10:40 +01:00
..
Kconfig
memory: tegra124: Support interconnect framework
2021-01-05 18:03:22 +01:00
Makefile
memory: tegra: Add EMC scaling sequence code for Tegra210
2020-06-22 13:54:57 +02:00
mc.c
memory: tegra: Check whether reset is already asserted
2021-01-23 00:10:40 +01:00
mc.h
memory: tegra-mc: Add interconnect framework
2020-11-26 18:50:35 +01:00
tegra20-emc.c
memory: tegra20: Support hardware versioning and clean up OPP table initialization
2020-12-05 14:53:59 +01:00
tegra20.c
memory: tegra20: Support interconnect framework
2020-11-26 18:50:36 +01:00
tegra30-emc.c
memory: tegra30: Support interconnect framework
2020-12-05 14:54:36 +01:00
tegra30.c
memory: tegra30: Support interconnect framework
2020-12-05 14:54:36 +01:00
tegra114.c
memory: tegra: Add missing latency allowness entry for Page Table Cache
2020-11-26 18:50:35 +01:00
tegra124-emc.c
memory: tegra124: Support interconnect framework
2021-01-05 18:03:22 +01:00
tegra124.c
memory: tegra124: Support interconnect framework
2021-01-05 18:03:22 +01:00
tegra186-emc.c
memory: tegra186-emc: Simplify with dev_err_probe()
2020-09-02 17:22:56 +02:00
tegra186.c
memory: tegra: Avoid unused function warnings
2020-06-22 13:54:58 +02:00
tegra210-emc-cc-r21021.c
memory: tegra: Delete duplicated argument to '|' in function tegra210_emc_r21021_periodic_compensation
2020-09-09 09:00:22 +02:00
tegra210-emc-core.c
memory: tegra: Add and use devm_tegra_memory_controller_get()
2020-11-26 18:50:29 +01:00
tegra210-emc-table.c
memory: tegra: Support derated timings on Tegra210
2020-06-22 13:54:57 +02:00
tegra210-emc.h
memory: tegra: Drop <linux/clk-provider.h>
2020-06-22 13:54:58 +02:00
tegra210-mc.h
memory: tegra: Add EMC scaling support code for Tegra210
2020-06-22 13:54:57 +02:00
tegra210.c
memory: tegra: Complete tegra210_swgroups
2020-11-26 18:50:37 +01:00