[PATCH RFC 2/2] Bluetooth: hci_qca: use devm_clk_get_optional_enabled_with_rate()

Bartosz Golaszewski
2024-08-01T15:59:04Z

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Use the new devm_clk_get_optional_enabled_with_rate() clock helper to
shrink the code a bit.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/bluetooth/hci_qca.c | 24 ++----------------------
1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index ca6466676902..0670f527909c 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2297,13 +2297,6 @@ static int qca_init_regulators(struct qca_power *qca,
return 0;
}

-static void qca_clk_disable_unprepare(void *data)
-{
- struct clk *clk = data;
-
- clk_disable_unprepare(clk);
-}
-
static int qca_serdev_probe(struct serdev_device *serdev)
{
struct qca_serdev *qcadev;
@@ -2433,25 +2426,12 @@ static int qca_serdev_probe(struct serdev_device *serdev)
if (!qcadev->bt_en)
power_ctrl_enabled = false;

- qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
+ qcadev->susclk = devm_clk_get_optional_enabled_with_rate(
+ &serdev->dev, NULL, SUSCLK_RATE_32KHZ);
if (IS_ERR(qcadev->susclk)) {
dev_warn(&serdev->dev, "failed to acquire clk\n");
return PTR_ERR(qcadev->susclk);
}
- err = clk_set_rate(qcadev->susclk, SUSCLK_RATE_32KHZ);
- if (err)
- return err;
-
- err = clk_prepare_enable(qcadev->susclk);
- if (err)
- return err;
-
- err = devm_add_action_or_reset(&serdev->dev,
- qca_clk_disable_unprepare,
- qcadev->susclk);
- if (err)
- return err;
-
}

err = hci_uart_register_device(&qcadev->serdev_hu, &qca_proto);

--
2.43.0