On 6/29/20 11:02 AM, Marek Szyprowski wrote:
Call exynos_cpu_power_up(cpunr) unconditionally. This is needed by the
big.LITTLE cpuidle driver and has no side-effects on other code paths.
The additional soft-reset call during little core power up has been added
to properly boot all cores on the Exynos5422-based boards with secure
firmware (like Odroid XU3/XU4 family). This however broke big.LITTLE
CPUidle driver, which worked only on boards without secure firmware (like
Peach-Pit/Pi Chromebooks). Apply the workaround only when board is
running under secure firmware.
Fixes: 833b5794e330 ("ARM: EXYNOS: reset Little cores when cpu is up")
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
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v2:
- adjusted patch subject to better describe the change
- added a comment about exynos_cpu_power_up(cpunr) call
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Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx>
Regards,
Lukasz
