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Message-Id: <20210817005507.1507580-6-dmitry.baryshkov@linaro.org>
Date: Tue, 17 Aug 2021 03:54:57 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Ulf Hansson <ulf.hansson@...aro.org>,
Marcel Holtmann <marcel@...tmann.org>,
Johan Hedberg <johan.hedberg@...il.com>,
Luiz Augusto von Dentz <luiz.dentz@...il.com>,
Kalle Valo <kvalo@...eaurora.org>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Stanimir Varbanov <svarbanov@...sol.com>
Cc: linux-arm-msm@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
netdev@...r.kernel.org
Subject: [RFC PATCH 05/15] Bluetooth: hci_qca: merge qca_power into qca_serdev
There is no need to separate struct qca_power from the rest of struct
qca_serdev. Squash qca_power into the main struct, to simplify the
driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
drivers/bluetooth/hci_qca.c | 60 +++++++++++++------------------------
1 file changed, 20 insertions(+), 40 deletions(-)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 53deea2eb7b4..a21cec44720a 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -205,23 +205,15 @@ struct qca_device_data {
uint32_t capabilities;
};
-/*
- * 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 +1594,7 @@ 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)
@@ -1940,20 +1932,19 @@ 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)
@@ -1964,38 +1955,34 @@ 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,
+static int qca_init_regulators(struct qca_serdev *qcadev, struct device *dev,
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);
+ 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;
@@ -2005,8 +1992,8 @@ static int qca_init_regulators(struct qca_power *qca,
return ret;
}
- qca->vreg_bulk = bulk;
- qca->num_vregs = num_vregs;
+ qcadev->vreg_bulk = bulk;
+ qcadev->num_vregs = num_vregs;
return 0;
}
@@ -2037,21 +2024,15 @@ static int qca_serdev_probe(struct serdev_device *serdev)
(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(qcadev, &serdev->dev, 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);
@@ -2135,11 +2116,10 @@ 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);
--
2.30.2
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