The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
Possible dependencies:
4e3a50293c2b ("usb: typec: ucsi: acpi: Implement resume callback")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8 Mon Sep 17 00:00:00 2001 From: Heikki Krogerus heikki.krogerus@linux.intel.com Date: Fri, 7 Oct 2022 13:09:51 +0300 Subject: [PATCH] usb: typec: ucsi: acpi: Implement resume callback
The ACPI driver needs to resume the interface by calling ucsi_resume(). Otherwise we may fail to detect connections and disconnections that happen while the system is suspended.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=210425 Fixes: a94ecde41f7e ("usb: typec: ucsi: ccg: enable runtime pm support") Cc: stable@vger.kernel.org Signed-off-by: Heikki Krogerus heikki.krogerus@linux.intel.com Link: https://lore.kernel.org/r/20221007100951.43798-3-heikki.krogerus@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 8873c1644a29..ce0c8ef80c04 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -185,6 +185,15 @@ static int ucsi_acpi_remove(struct platform_device *pdev) return 0; }
+static int ucsi_acpi_resume(struct device *dev) +{ + struct ucsi_acpi *ua = dev_get_drvdata(dev); + + return ucsi_resume(ua->ucsi); +} + +static DEFINE_SIMPLE_DEV_PM_OPS(ucsi_acpi_pm_ops, NULL, ucsi_acpi_resume); + static const struct acpi_device_id ucsi_acpi_match[] = { { "PNP0CA0", 0 }, { }, @@ -194,6 +203,7 @@ MODULE_DEVICE_TABLE(acpi, ucsi_acpi_match); static struct platform_driver ucsi_acpi_platform_driver = { .driver = { .name = "ucsi_acpi", + .pm = pm_ptr(&ucsi_acpi_pm_ops), .acpi_match_table = ACPI_PTR(ucsi_acpi_match), }, .probe = ucsi_acpi_probe,