From 7c5b3c158b38dcf0c3c62657d9aa39decaf59cdc Mon Sep 17 00:00:00 2001 From: Rajat Jain Date: Mon, 25 Oct 2021 14:35:29 -0700 Subject: [PATCH] i2c: designware: Enable async suspend / resume of designware devices Mark the designware devices for asynchronous suspend. With this, the resume for designware devices does not get stuck behind other unrelated devices (e.g. intel_backlight that takes hundreds of ms to resume, waiting for its parent devices). Signed-off-by: Rajat Jain Acked-by: Jarkko Nikula Tested-by: Jarkko Nikula Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-designware-platdrv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 2111366..2bd81ab 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -293,6 +293,8 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) DPM_FLAG_MAY_SKIP_RESUME); } + device_enable_async_suspend(&pdev->dev); + /* The code below assumes runtime PM to be disabled. */ WARN_ON(pm_runtime_enabled(&pdev->dev)); -- 2.7.4