From 4f9c1a089623ac606e79a7886646939e0e2f89bf Mon Sep 17 00:00:00 2001 From: Manish Mandlik Date: Thu, 30 Mar 2023 09:58:25 -0700 Subject: [PATCH] Bluetooth: btusb: Add btusb devcoredump support This patch implements the btusb driver side .coredump() callback to trigger a devcoredump via sysfs. Signed-off-by: Manish Mandlik Reviewed-by: Abhishek Pandit-Subedi Signed-off-by: Luiz Augusto von Dentz --- drivers/bluetooth/btusb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 9bf1d4e..498e131 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -4397,6 +4397,17 @@ done: } #endif +#ifdef CONFIG_DEV_COREDUMP +static void btusb_coredump(struct device *dev) +{ + struct btusb_data *data = dev_get_drvdata(dev); + struct hci_dev *hdev = data->hdev; + + if (hdev->dump.coredump) + hdev->dump.coredump(hdev); +} +#endif + static struct usb_driver btusb_driver = { .name = "btusb", .probe = btusb_probe, @@ -4408,6 +4419,14 @@ static struct usb_driver btusb_driver = { .id_table = btusb_table, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, + +#ifdef CONFIG_DEV_COREDUMP + .drvwrap = { + .driver = { + .coredump = btusb_coredump, + }, + }, +#endif }; module_usb_driver(btusb_driver); -- 2.7.4