summaryrefslogtreecommitdiffstats
path: root/drivers/pwm/pwm-rz-mtu3.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/pwm/pwm-rz-mtu3.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pwm/pwm-rz-mtu3.c')
-rw-r--r--drivers/pwm/pwm-rz-mtu3.c60
1 files changed, 31 insertions, 29 deletions
diff --git a/drivers/pwm/pwm-rz-mtu3.c b/drivers/pwm/pwm-rz-mtu3.c
index bdda315b3b..ab39bd37ed 100644
--- a/drivers/pwm/pwm-rz-mtu3.c
+++ b/drivers/pwm/pwm-rz-mtu3.c
@@ -61,7 +61,6 @@ struct rz_mtu3_pwm_channel {
/**
* struct rz_mtu3_pwm_chip - MTU3 pwm private data
*
- * @chip: MTU3 pwm chip data
* @clk: MTU3 module clock
* @lock: Lock to prevent concurrent access for usage count
* @rate: MTU3 clock rate
@@ -72,7 +71,6 @@ struct rz_mtu3_pwm_channel {
*/
struct rz_mtu3_pwm_chip {
- struct pwm_chip chip;
struct clk *clk;
struct mutex lock;
unsigned long rate;
@@ -92,7 +90,7 @@ static const struct rz_mtu3_channel_io_map channel_map[] = {
static inline struct rz_mtu3_pwm_chip *to_rz_mtu3_pwm_chip(struct pwm_chip *chip)
{
- return container_of(chip, struct rz_mtu3_pwm_chip, chip);
+ return pwmchip_get_drvdata(chip);
}
static void rz_mtu3_pwm_read_tgr_registers(struct rz_mtu3_pwm_channel *priv,
@@ -211,15 +209,15 @@ static void rz_mtu3_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
mutex_unlock(&rz_mtu3_pwm->lock);
}
-static int rz_mtu3_pwm_enable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
- struct pwm_device *pwm)
+static int rz_mtu3_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
{
+ struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
struct rz_mtu3_pwm_channel *priv;
u32 ch;
u8 val;
int rc;
- rc = pm_runtime_resume_and_get(rz_mtu3_pwm->chip.dev);
+ rc = pm_runtime_resume_and_get(pwmchip_parent(chip));
if (rc)
return rc;
@@ -243,9 +241,9 @@ static int rz_mtu3_pwm_enable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
return 0;
}
-static void rz_mtu3_pwm_disable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
- struct pwm_device *pwm)
+static void rz_mtu3_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
{
+ struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
struct rz_mtu3_pwm_channel *priv;
u32 ch;
@@ -265,7 +263,7 @@ static void rz_mtu3_pwm_disable(struct rz_mtu3_pwm_chip *rz_mtu3_pwm,
mutex_unlock(&rz_mtu3_pwm->lock);
- pm_runtime_put_sync(rz_mtu3_pwm->chip.dev);
+ pm_runtime_put_sync(pwmchip_parent(chip));
}
static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -274,7 +272,7 @@ static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
int rc;
- rc = pm_runtime_resume_and_get(chip->dev);
+ rc = pm_runtime_resume_and_get(pwmchip_parent(chip));
if (rc)
return rc;
@@ -307,7 +305,7 @@ static int rz_mtu3_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
}
state->polarity = PWM_POLARITY_NORMAL;
- pm_runtime_put(chip->dev);
+ pm_runtime_put(pwmchip_parent(chip));
return 0;
}
@@ -362,7 +360,7 @@ static int rz_mtu3_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
if (!pwm->state.enabled) {
int rc;
- rc = pm_runtime_resume_and_get(chip->dev);
+ rc = pm_runtime_resume_and_get(pwmchip_parent(chip));
if (rc)
return rc;
}
@@ -399,7 +397,7 @@ static int rz_mtu3_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
/* If the PWM is not enabled, turn the clock off again to save power. */
if (!pwm->state.enabled)
- pm_runtime_put(chip->dev);
+ pm_runtime_put(pwmchip_parent(chip));
return 0;
}
@@ -416,7 +414,7 @@ static int rz_mtu3_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
if (!state->enabled) {
if (enabled)
- rz_mtu3_pwm_disable(rz_mtu3_pwm, pwm);
+ rz_mtu3_pwm_disable(chip, pwm);
return 0;
}
@@ -428,7 +426,7 @@ static int rz_mtu3_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
return ret;
if (!enabled)
- ret = rz_mtu3_pwm_enable(rz_mtu3_pwm, pwm);
+ ret = rz_mtu3_pwm_enable(chip, pwm);
return ret;
}
@@ -442,7 +440,8 @@ static const struct pwm_ops rz_mtu3_pwm_ops = {
static int rz_mtu3_pwm_pm_runtime_suspend(struct device *dev)
{
- struct rz_mtu3_pwm_chip *rz_mtu3_pwm = dev_get_drvdata(dev);
+ struct pwm_chip *chip = dev_get_drvdata(dev);
+ struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
clk_disable_unprepare(rz_mtu3_pwm->clk);
@@ -451,7 +450,8 @@ static int rz_mtu3_pwm_pm_runtime_suspend(struct device *dev)
static int rz_mtu3_pwm_pm_runtime_resume(struct device *dev)
{
- struct rz_mtu3_pwm_chip *rz_mtu3_pwm = dev_get_drvdata(dev);
+ struct pwm_chip *chip = dev_get_drvdata(dev);
+ struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
return clk_prepare_enable(rz_mtu3_pwm->clk);
}
@@ -462,24 +462,28 @@ static DEFINE_RUNTIME_DEV_PM_OPS(rz_mtu3_pwm_pm_ops,
static void rz_mtu3_pwm_pm_disable(void *data)
{
- struct rz_mtu3_pwm_chip *rz_mtu3_pwm = data;
+ struct pwm_chip *chip = data;
+ struct rz_mtu3_pwm_chip *rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
clk_rate_exclusive_put(rz_mtu3_pwm->clk);
- pm_runtime_disable(rz_mtu3_pwm->chip.dev);
- pm_runtime_set_suspended(rz_mtu3_pwm->chip.dev);
+ pm_runtime_disable(pwmchip_parent(chip));
+ pm_runtime_set_suspended(pwmchip_parent(chip));
}
static int rz_mtu3_pwm_probe(struct platform_device *pdev)
{
struct rz_mtu3 *parent_ddata = dev_get_drvdata(pdev->dev.parent);
struct rz_mtu3_pwm_chip *rz_mtu3_pwm;
+ struct pwm_chip *chip;
struct device *dev = &pdev->dev;
unsigned int i, j = 0;
int ret;
- rz_mtu3_pwm = devm_kzalloc(&pdev->dev, sizeof(*rz_mtu3_pwm), GFP_KERNEL);
- if (!rz_mtu3_pwm)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(&pdev->dev, RZ_MTU3_MAX_PWM_CHANNELS,
+ sizeof(*rz_mtu3_pwm));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ rz_mtu3_pwm = to_rz_mtu3_pwm_chip(chip);
rz_mtu3_pwm->clk = parent_ddata->clk;
@@ -494,7 +498,7 @@ static int rz_mtu3_pwm_probe(struct platform_device *pdev)
}
mutex_init(&rz_mtu3_pwm->lock);
- platform_set_drvdata(pdev, rz_mtu3_pwm);
+ platform_set_drvdata(pdev, chip);
ret = clk_prepare_enable(rz_mtu3_pwm->clk);
if (ret)
return dev_err_probe(dev, ret, "Clock enable failed\n");
@@ -514,15 +518,13 @@ static int rz_mtu3_pwm_probe(struct platform_device *pdev)
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
- rz_mtu3_pwm->chip.dev = &pdev->dev;
ret = devm_add_action_or_reset(&pdev->dev, rz_mtu3_pwm_pm_disable,
- rz_mtu3_pwm);
+ chip);
if (ret < 0)
return ret;
- rz_mtu3_pwm->chip.ops = &rz_mtu3_pwm_ops;
- rz_mtu3_pwm->chip.npwm = RZ_MTU3_MAX_PWM_CHANNELS;
- ret = devm_pwmchip_add(&pdev->dev, &rz_mtu3_pwm->chip);
+ chip->ops = &rz_mtu3_pwm_ops;
+ ret = devm_pwmchip_add(&pdev->dev, chip);
if (ret)
return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n");