diff options
| author | Dmitry Osipenko <digetx@gmail.com> | 2020-02-25 01:40:45 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2020-03-12 10:54:05 +0100 |
| commit | 891e1286c138eafb26d1f36eee3f31b8cd2c2bd9 (patch) | |
| tree | b64239faed7373f54c4de088a0a630e0f98916e9 /arch/arm/mach-tegra/pm.c | |
| parent | f5619492c80ba021e267de245bb78b485d1802c5 (diff) | |
ARM: tegra: Propagate error from tegra_idle_lp2_last()
Technically cpu_suspend() may fail and it's never good to lose information
about failure. For example things like cpuidle core could correctly sample
idling time in the case of failure.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Jasper Korten <jja2000@gmail.com>
Tested-by: David Heidelberg <david@ixit.cz>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/pm.c')
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index a72f9a2d3cb7..a094acaca307 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -189,14 +189,16 @@ static void tegra_pm_set(enum tegra_suspend_mode mode) tegra_pmc_enter_suspend_mode(mode); } -void tegra_idle_lp2_last(void) +int tegra_idle_lp2_last(void) { + int err; + tegra_pm_set(TEGRA_SUSPEND_LP2); cpu_cluster_pm_enter(); suspend_cpu_complex(); - cpu_suspend(PHYS_OFFSET - PAGE_OFFSET, &tegra_sleep_cpu); + err = cpu_suspend(PHYS_OFFSET - PAGE_OFFSET, &tegra_sleep_cpu); /* * Resume L2 cache if it wasn't re-enabled early during resume, @@ -208,6 +210,8 @@ void tegra_idle_lp2_last(void) restore_cpu_complex(); cpu_cluster_pm_exit(); + + return err; } enum tegra_suspend_mode tegra_pm_validate_suspend_mode( |