@@ -208,20 +208,15 @@ struct qca_device_data {
/*
* Platform data for the QCA Bluetooth power driver.
*/
-struct qca_power {
- struct device *dev;
- struct regulator_bulk_data *vreg_bulk;
- int num_vregs;
- bool vregs_on;
-};
-
struct qca_serdev {
struct hci_uart serdev_hu;
struct gpio_desc *bt_en;
struct gpio_desc *sw_ctrl;
struct clk *susclk;
enum qca_btsoc_type btsoc_type;
- struct qca_power *bt_power;
+ struct regulator_bulk_data *vreg_bulk;
+ int num_vregs;
+ bool vregs_on;
u32 init_speed;
u32 oper_speed;
const char *firmware_name;
@@ -1602,7 +1597,7 @@ static int qca_regulator_init(struct hci_uart *hu)
* off the voltage regulator.
*/
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (!qcadev->bt_power->vregs_on) {
+ if (!qcadev->vregs_on) {
serdev_device_close(hu->serdev);
ret = qca_regulator_enable(qcadev);
if (ret)
@@ -1945,20 +1940,19 @@ static int qca_power_off(struct hci_dev *hdev)
static int qca_regulator_enable(struct qca_serdev *qcadev)
{
- struct qca_power *power = qcadev->bt_power;
int ret;
/* Already enabled */
- if (power->vregs_on)
+ if (qcadev->vregs_on)
return 0;
- BT_DBG("enabling %d regulators)", power->num_vregs);
+ BT_DBG("enabling %d regulators)", qcadev->num_vregs);
- ret = regulator_bulk_enable(power->num_vregs, power->vreg_bulk);
+ ret = regulator_bulk_enable(qcadev->num_vregs, qcadev->vreg_bulk);
if (ret)
return ret;
- power->vregs_on = true;
+ qcadev->vregs_on = true;
ret = clk_prepare_enable(qcadev->susclk);
if (ret)
@@ -1969,38 +1963,37 @@ static int qca_regulator_enable(struct qca_serdev *qcadev)
static void qca_regulator_disable(struct qca_serdev *qcadev)
{
- struct qca_power *power;
-
if (!qcadev)
return;
- power = qcadev->bt_power;
-
/* Already disabled? */
- if (!power->vregs_on)
+ if (!qcadev->vregs_on)
return;
- regulator_bulk_disable(power->num_vregs, power->vreg_bulk);
- power->vregs_on = false;
+ regulator_bulk_disable(qcadev->num_vregs, qcadev->vreg_bulk);
+ qcadev->vregs_on = false;
clk_disable_unprepare(qcadev->susclk);
}
-static int qca_init_regulators(struct qca_power *qca,
- const struct qca_vreg *vregs, size_t num_vregs)
+static int qca_init_regulators(struct device *dev, struct qca_serdev *qca,
+ const struct qca_vreg *vregs, size_t num_vregs)
{
struct regulator_bulk_data *bulk;
int ret;
int i;
- bulk = devm_kcalloc(qca->dev, num_vregs, sizeof(*bulk), GFP_KERNEL);
+ if (!num_vregs)
+ return 0;
+
+ bulk = devm_kcalloc(dev, num_vregs, sizeof(*bulk), GFP_KERNEL);
if (!bulk)
return -ENOMEM;
for (i = 0; i < num_vregs; i++)
bulk[i].supply = vregs[i].name;
- ret = devm_regulator_bulk_get(qca->dev, num_vregs, bulk);
+ ret = devm_regulator_bulk_get(dev, num_vregs, bulk);
if (ret < 0)
return ret;
@@ -2044,21 +2037,15 @@ static int qca_serdev_probe(struct serdev_device *serdev)
if ((qca_is_wcn399x(data->soc_type) ||
qca_is_wcn6750(data->soc_type))) {
qcadev->btsoc_type = data->soc_type;
- qcadev->bt_power = devm_kzalloc(&serdev->dev,
- sizeof(struct qca_power),
- GFP_KERNEL);
- if (!qcadev->bt_power)
- return -ENOMEM;
-
- qcadev->bt_power->dev = &serdev->dev;
- err = qca_init_regulators(qcadev->bt_power, data->vregs,
+
+ err = qca_init_regulators(&serdev->dev, qcadev, data->vregs,
data->num_vregs);
if (err) {
BT_ERR("Failed to init regulators:%d", err);
return err;
}
- qcadev->bt_power->vregs_on = false;
+ qcadev->vregs_on = false;
qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
GPIOD_OUT_LOW);
@@ -2139,11 +2126,10 @@ static int qca_serdev_probe(struct serdev_device *serdev)
static void qca_serdev_remove(struct serdev_device *serdev)
{
struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
- struct qca_power *power = qcadev->bt_power;
if ((qca_is_wcn399x(qcadev->btsoc_type) ||
qca_is_wcn6750(qcadev->btsoc_type)) &&
- power->vregs_on)
+ qcadev->vregs_on)
qca_power_shutdown(&qcadev->serdev_hu);
else if (qcadev->susclk)
clk_disable_unprepare(qcadev->susclk);
There is no need to allocate separate structure for handling regulators used by QCA chips, we gain nothing from it. Move all used data fields directly to struct qca_serdev. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/bluetooth/hci_qca.c | 58 ++++++++++++++----------------------- 1 file changed, 22 insertions(+), 36 deletions(-) -- 2.30.2