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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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pwm_omap_dmtimer.h is used only:
- to typedef struct omap_dm_timer to pwm_omap_dmtimer
- for macro PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE
Rest of the file is pretty mush unsed. So reuse omap_dm_timer
and OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE in pwm-omap-dmtimer.c
and delete the header file.
Acked-by: Tony Lindgren <[email protected]>
Signed-off-by: Lokesh Vutla <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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and restore
omap_dm_timer_enable() restores the entire context(including counter)
based on 2 conditions:
- If get_context_loss_count is populated and context is lost.
- If get_context_loss_count is not populated update unconditionally.
Case2 has a side effect of updating the counter register even though
context is not lost. When timer is configured in pwm mode, this is
causing undesired behaviour in the pwm period.
Instead of using get_context_loss_count call back, implement cpu_pm
notifier with context save and restore support. And delete the
get_context_loss_count callback all together.
Suggested-by: Tony Lindgren <[email protected]>
Signed-off-by: Lokesh Vutla <[email protected]>
[[email protected]: removed pm_runtime calls from cpuidle calls]
Signed-off-by: Tony Lindgren <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Let's add runtime_suspend and resume functions and atomic enabled
flag. This way we can use these when converting to use cpuidle
for saving and restoring device context.
And we need to maintain the driver state in the driver as documented
in "9. Autosuspend, or automatically-delayed suspends" in the
Documentation/power/runtime_pm.rst document related to using driver
private lock and races with runtime_suspend().
Signed-off-by: Tony Lindgren <[email protected]>
Signed-off-by: Lokesh Vutla <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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As dmtimer no longer exports functions, make those previously
exported static (this requires few functions to be moved around
as their prototypes were deleted).
Signed-off-by: Ladislav Michl <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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Replace architecture specific guard with clocksource guard.
Signed-off-by: Keerthy <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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The header file is currently under plat-omap directory
under arch/omap. Move this out to an accessible place.
No Code changes done to the header file and renamed to timer-ti-dm.h.
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Tested-by: Ladislav Michl <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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