[PATCH] Bluetooth: hci_ll: Use the devm_clk_get_optional() helper

[PATCH] Bluetooth: hci_ll: Use the devm_clk_get_optional() helper

[Christophe JAILLET]

Use devm_clk_get_optional() instead of hand writing it.
This is slightly less verbose and improves the semantic.

This also simplifies ll_open() because clk_prepare_enable() already handles
NULL clk.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/bluetooth/hci_ll.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 4a0b5c3160c2..de463d8bf265 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -129,8 +129,7 @@ static int ll_open(struct hci_uart *hu)
 	if (hu->serdev) {
 		struct ll_device *lldev = serdev_device_get_drvdata(hu->serdev);
 
-		if (!IS_ERR(lldev->ext_clk))
-			clk_prepare_enable(lldev->ext_clk);
+		clk_prepare_enable(lldev->ext_clk);
 	}
 
 	return 0;
@@ -703,8 +702,8 @@ static int hci_ti_probe(struct serdev_device *serdev)
 	if (IS_ERR(lldev->enable_gpio))
 		return PTR_ERR(lldev->enable_gpio);
 
-	lldev->ext_clk = devm_clk_get(&serdev->dev, "ext_clock");
-	if (IS_ERR(lldev->ext_clk) && PTR_ERR(lldev->ext_clk) != -ENOENT)
+	lldev->ext_clk = devm_clk_get_optional(&serdev->dev, "ext_clock");
+	if (IS_ERR(lldev->ext_clk))
 		return PTR_ERR(lldev->ext_clk);
 
 	of_property_read_u32(serdev->dev.of_node, "max-speed", &max_speed);
-- 
2.34.1

RE: Bluetooth: hci_ll: Use the devm_clk_get_optional() helper

[bluez.test.bot]

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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=749494

---Test result---

Test Summary:
CheckPatch                    PASS      0.72 seconds
GitLint                       PASS      0.36 seconds
SubjectPrefix                 PASS      0.14 seconds
BuildKernel                   PASS      32.27 seconds
CheckAllWarning               PASS      35.06 seconds
CheckSparse                   PASS      39.96 seconds
CheckSmatch                   PASS      108.89 seconds
BuildKernel32                 PASS      31.10 seconds
TestRunnerSetup               PASS      446.95 seconds
TestRunner_l2cap-tester       PASS      17.26 seconds
TestRunner_iso-tester         PASS      21.31 seconds
TestRunner_bnep-tester        PASS      5.71 seconds
TestRunner_mgmt-tester        PASS      116.57 seconds
TestRunner_rfcomm-tester      PASS      9.09 seconds
TestRunner_sco-tester         PASS      8.35 seconds
TestRunner_ioctl-tester       PASS      9.72 seconds
TestRunner_mesh-tester        PASS      7.16 seconds
TestRunner_smp-tester         PASS      8.31 seconds
TestRunner_userchan-tester    PASS      5.99 seconds
IncrementalBuild              PASS      29.29 seconds



---
Regards,
Linux Bluetooth