From 78ad73421831247e46c31899a7bead02740e4bef Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 30 Apr 2020 13:31:58 +0200 Subject: [PATCH] Revert "i2c: tegra: Fix suspending in active runtime PM state" This reverts commit 9f42de8d4ec2304f10bbc51dc0484f3503d61196. It's not safe to use pm_runtime_force_{suspend,resume}(), especially during the noirq phase of suspend. See also the guidance provided in commit 1e2ef05bb8cf ("PM: Limit race conditions between runtime PM and system sleep (v2)"). Signed-off-by: Thierry Reding --- drivers/i2c/busses/i2c-tegra.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 4c4d17d..7c88611 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1769,14 +1769,9 @@ static int tegra_i2c_remove(struct platform_device *pdev) static int __maybe_unused tegra_i2c_suspend(struct device *dev) { struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - int err; i2c_mark_adapter_suspended(&i2c_dev->adapter); - err = pm_runtime_force_suspend(dev); - if (err < 0) - return err; - return 0; } @@ -1797,10 +1792,6 @@ static int __maybe_unused tegra_i2c_resume(struct device *dev) if (err) return err; - err = pm_runtime_force_resume(dev); - if (err < 0) - return err; - i2c_mark_adapter_resumed(&i2c_dev->adapter); return 0; -- 2.7.4