https://bugzilla.kernel.org/show_bug.cgi?id=216706 Bug ID: 216706 Summary: USBC resume callback takes far too long, between 650ms and 1200ms Product: Drivers Version: 2.5 Kernel Version: 6.1.0-rc2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: USB Assignee: drivers_usb@xxxxxxxxxxxxxxxxxxxxxx Reporter: todd.e.brandt@xxxxxxxxx Blocks: 178231 Regression: No Created attachment 303218 --> https://bugzilla.kernel.org/attachment.cgi?id=303218&action=edit lenb-Dell-XPS-13-9310_freeze.html The new USBC resume callback is taking far too long in the resume phase. I bisected the behavior to this commit: [10402] 4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8 is the first bad commit [10402] commit 4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8 [10402] Author: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> [10402] Date: Fri Oct 7 13:09:51 2022 +0300 [10402] [10402] usb: typec: ucsi: acpi: Implement resume callback [10402] [10402] The ACPI driver needs to resume the interface by calling [10402] ucsi_resume(). Otherwise we may fail to detect connections [10402] and disconnections that happen while the system is [10402] suspended. [10402] [10402] Link: https://bugzilla.kernel.org/show_bug.cgi?id=210425 [10402] Fixes: a94ecde41f7e ("usb: typec: ucsi: ccg: enable runtime pm support") [10402] Cc: <stable@xxxxxxxxxxxxxxx> [10402] Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> [10402] Link: https://lore.kernel.org/r/20221007100951.43798-3-heikki.krogerus@xxxxxxxxxxxxxxx [10402] Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> I have timelines from 7 separate machines that are now affected but this behavior. We have a guidline that neither suspend or resume should take longer than a second, and this is causing us problems. Referenced Bugs: https://bugzilla.kernel.org/show_bug.cgi?id=178231 [Bug 178231] Meta-bug: Linux suspend-to-mem and freeze performance optimization -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
