diff options
| author | Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2022-10-07 13:09:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-10-22 12:39:01 +0200 |
| commit | 4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8 (patch) | |
| tree | 4abbc098100d1927eeae02063bb327162b65b3d2 /drivers/usb | |
| parent | 99f6d43611135bd6f211dec9e88bb41e4167e304 (diff) | |
| download | lwn-4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8.tar.gz lwn-4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8.zip | |
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.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi_acpi.c | 10 |
1 files changed, 10 insertions, 0 deletions
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, |