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Date: Fri, 7 Oct 2022 13:09:51 +0300 From: Heikki Krogerus <heikki.krogerus@...ux.intel.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Bastian Rieck <bastian@...ck.me>, grzegorz.alibozek@...il.com, andrew.co@...e.fr, meven29@...il.com, pchernik@...il.com, jorge.cep.mart@...il.com, danielmorgan@...root.org, bernie@...ewiz.org, saipavanchitta1998@...il.com, rubin@...rset.net, maniette@...il.com, nate@....org, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, stable@...r.kernel.org Subject: [PATCH v1 2/2] 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@...r.kernel.org> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com> --- drivers/usb/typec/ucsi/ucsi_acpi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 8873c1644a295..ce0c8ef80c043 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, -- 2.35.1
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