Messages in this thread Patch in this message | | | Date | Mon, 25 Oct 2021 14:35:29 -0700 | Subject | [PATCH v2 1/3] i2c: designware: Enable async suspend / resume of designware devices | From | Rajat Jain <> |
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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 <rajatja@google.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> --- v2: Add Jarkko's ack / tested by
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 21113665ddea..2bd81abc86f6 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)); -- 2.33.0.1079.g6e70778dc9-goog
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