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commit32c8c34d81upstream. Trusted Foundation firmware doesn't implement the do_idle call and in this case suspending should fall back to the common suspend path. In order to fix this issue we will unconditionally set the NOFLUSH_L2 mode via firmware call, which is a NO-OP on Tegra30/124, and then proceed to the C7 idling, like it was done by the older Tegra114 cpuidle driver. Fixes:14e086baca("cpuidle: tegra: Squash Tegra114 driver into the common driver") Cc: stable@vger.kernel.org # 5.7+ Reported-by: Anton Bambura <jenneron@protonmail.com> # TF701 T114 Tested-by: Anton Bambura <jenneron@protonmail.com> # TF701 T114 Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30 Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30 Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210302095405.28453-1-digetx@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>