Matthias Kaehlcke
80d2c29e09
regulator: core: Use ktime_get_boottime() to determine how long a regulator was off ...
For regulators with 'off-on-delay-us' the regulator framework currently
uses ktime_get() to determine how long the regulator has been off
before re-enabling it (after a delay if needed). A problem with using
ktime_get() is that it doesn't account for the time the system is
suspended. As a result a regulator with a longer 'off-on-delay' (e.g.
500ms) that was switched off during suspend might still incurr in a
delay on resume before it is re-enabled, even though the regulator
might have been off for hours. ktime_get_boottime() accounts for
suspend time, use it instead of ktime_get().
Fixes: a8ce7bd89689 ("regulator: core: Fix off_on_delay handling")
Cc: stable@vger.kernel.org # 5.13+
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20230223003301.v2.1.I9719661b8eb0a73b8c416f9c26cf5bd8c0563f99@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
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80d2c29e09