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* [RESEND v3 1/2] Bluetooth: hci_qca: Add qcom devcoredump sysfs support
@ 2023-06-14  4:58 Sai Teja Aluvala
  2023-06-14  5:37 ` [RESEND,v3,1/2] " bluez.test.bot
  2023-06-20 18:30 ` [RESEND v3 1/2] " patchwork-bot+bluetooth
  0 siblings, 2 replies; 3+ messages in thread
From: Sai Teja Aluvala @ 2023-06-14  4:58 UTC (permalink / raw)
  To: marcel, johan.hedberg, luiz.dentz
  Cc: linux-kernel, linux-bluetooth, quic_hemantg, quic_bgodavar,
	jiangzp, mmandlik, Sai Teja Aluvala

This patch implements the hci_qca driver side .coredump() callback to
trigger a devcoredump via sysfs.

Signed-off-by: Sai Teja Aluvala <quic_saluvala@quicinc.com>

v2 -> V3:
--------
Updated commit text

v1 -> V2:
--------
Updated to work with the updated HCI devcoredump API.
---
 drivers/bluetooth/hci_qca.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index e30c979..1ee5323 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2384,6 +2384,18 @@ static const struct acpi_device_id qca_bluetooth_acpi_match[] = {
 MODULE_DEVICE_TABLE(acpi, qca_bluetooth_acpi_match);
 #endif
 
+#ifdef CONFIG_DEV_COREDUMP
+static void hciqca_coredump(struct device *dev)
+{
+	struct serdev_device *serdev = to_serdev_device(dev);
+	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+	struct hci_uart *hu = &qcadev->serdev_hu;
+	struct hci_dev  *hdev = hu->hdev;
+
+	if (hdev->dump.coredump)
+		hdev->dump.coredump(hdev);
+}
+#endif
 
 static struct serdev_device_driver qca_serdev_driver = {
 	.probe = qca_serdev_probe,
@@ -2394,6 +2406,9 @@ static struct serdev_device_driver qca_serdev_driver = {
 		.acpi_match_table = ACPI_PTR(qca_bluetooth_acpi_match),
 		.shutdown = qca_serdev_shutdown,
 		.pm = &qca_pm_ops,
+#ifdef CONFIG_DEV_COREDUMP
+		.coredump = hciqca_coredump,
+#endif
 	},
 };
 
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc.


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2023-06-14  4:58 [RESEND v3 1/2] Bluetooth: hci_qca: Add qcom devcoredump sysfs support Sai Teja Aluvala
2023-06-14  5:37 ` [RESEND,v3,1/2] " bluez.test.bot
2023-06-20 18:30 ` [RESEND v3 1/2] " patchwork-bot+bluetooth

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