[v2] Bluetooth: btnxpuart: Add system suspend and resume handlers

Commit Message

Neeraj Sanjay Kale July 5, 2024, 6:58 a.m. UTC

This adds handling for system suspend and resume. While the host enters
suspend state, the driver will drive the chip into low power state.

Similarly when system is resuming, the driver will wake up the chip.

Signed-off-by: Neeraj Sanjay Kale <[e-mail]>
---
v2: Rename new suspend/resume function names to nxp_serdev_suspend and
nxp_serdev_resume. (Luke Wang)
---
 drivers/bluetooth/btnxpuart.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

[e-mail] July 5, 2024, 7:33 a.m. UTC | #1

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=868654

---Test result---

Test Summary:
CheckPatch                    PASS      0.65 seconds
GitLint                       PASS      0.30 seconds
SubjectPrefix                 PASS      0.11 seconds
BuildKernel                   PASS      29.62 seconds
CheckAllWarning               PASS      32.30 seconds
CheckSparse                   PASS      37.88 seconds
CheckSmatch                   PASS      104.60 seconds
BuildKernel32                 PASS      29.14 seconds
TestRunnerSetup               PASS      529.13 seconds
TestRunner_l2cap-tester       PASS      22.38 seconds
TestRunner_iso-tester         FAIL      41.84 seconds
TestRunner_bnep-tester        PASS      4.89 seconds
TestRunner_mgmt-tester        PASS      115.55 seconds
TestRunner_rfcomm-tester      PASS      7.48 seconds
TestRunner_sco-tester         PASS      15.00 seconds
TestRunner_ioctl-tester       PASS      7.86 seconds
TestRunner_mesh-tester        PASS      5.99 seconds
TestRunner_smp-tester         PASS      7.07 seconds
TestRunner_userchan-tester    PASS      5.05 seconds
IncrementalBuild              PASS      28.05 seconds

Details
##############################
Test: TestRunner_iso-tester - FAIL
Desc: Run iso-tester with test-runner
Output:
Total: 122, Passed: 117 (95.9%), Failed: 1, Not Run: 4

Failed Test Cases
ISO Connect Suspend - Success                        Failed       8.226 seconds


---
Regards,
Linux Bluetooth

Patch

diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index da18fd4f54f3..c5b40bba6bfa 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1498,6 +1498,24 @@  static void nxp_serdev_remove(struct serdev_device *serdev)
 	hci_free_dev(hdev);
 }
 
+static int nxp_serdev_suspend(struct device *dev)
+{
+	struct btnxpuart_dev *nxpdev = dev_get_drvdata(dev);
+	struct ps_data *psdata = &nxpdev->psdata;
+
+	ps_control(psdata->hdev, PS_STATE_SLEEP);
+	return 0;
+}
+
+static int nxp_serdev_resume(struct device *dev)
+{
+	struct btnxpuart_dev *nxpdev = dev_get_drvdata(dev);
+	struct ps_data *psdata = &nxpdev->psdata;
+
+	ps_control(data->hdev, PS_STATE_AWAKE);
+	return 0;
+}
+
 static struct btnxpuart_data w8987_data __maybe_unused = {
 	.helper_fw_name = NULL,
 	.fw_name = FIRMWARE_W8987,
@@ -1517,12 +1535,17 @@  static const struct of_device_id nxpuart_of_match_table[] __maybe_unused = {
 };
 MODULE_DEVICE_TABLE(of, nxpuart_of_match_table);
 
+static const struct dev_pm_ops nxp_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(nxp_serdev_suspend, nxp_serdev_resume)
+};
+
 static struct serdev_device_driver nxp_serdev_driver = {
 	.probe = nxp_serdev_probe,
 	.remove = nxp_serdev_remove,
 	.driver = {
 		.name = "btnxpuart",
 		.of_match_table = of_match_ptr(nxpuart_of_match_table),
+		.pm = &nxp_pm_ops,
 	},
 };