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patch "usb: typec: ucsi: acpi: Implement resume callback" added to usb-linus

PATCH [email protected] 1 participant 1 message Oct 22, 2022

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This is a note to let you know that I've just added the patch titled

usb: typec: ucsi: acpi: Implement resume callback

to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-linus branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.

If you have any questions about this process, please let me know.

From 4e3a50293c2b21961f02e1afa2f17d3a1a90c7c8 Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <[email protected]>
Date: Fri, 7 Oct 2022 13:09:51 +0300
Subject: 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.

---
 drivers/usb/typec/ucsi/ucsi_acpi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
drivers/usb/typec/ucsi/ucsi_acpi.c +10 -0
index 8873c1644a29..ce0c8ef80c04 100644
@@ -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,
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