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0a2d87e047
Currently, the function tegra_powergate_set() simply sets the desired powergate state but does not wait for the state to change. In most cases we should wait for the state to change before proceeding. Currently, there is a case for Tegra114 and Tegra124 devices where we do not wait when starting the secondary CPU as this is not necessary. However, this is only done at boot time and so waiting here will only have a small impact on boot time. Therefore, update tegra_powergate_set() to wait when setting the powergate. By adding this feature, we can also eliminate the polling loop from tegra30_boot_secondary(). A function has been added for checking the status of the powergate and so update the tegra_powergate_is_powered() to use this macro as well. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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