diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 12:32:56 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 16:39:25 +0300 |
| commit | b662c6e80976ece851dc2d164a5e32885704e4e2 (patch) | |
| tree | 0da10cee0508f1d83b472a75a6f9538484138e32 /drivers/pwm/pwm-tegra.c | |
| parent | 11ee0a124cb48bb837a1d90c3504a9c3376e96d1 (diff) | |
| download | linux-b662c6e80976ece851dc2d164a5e32885704e4e2.tar.xz | |
pwm: tegra: Drop duplicated tracking of the parent device
The pwmchip stores a pointer to the parent device, so there is no need
to store another copy in driver private data. Drop struct
tegra_pwm_chip::dev and use the pwm_chip's parent pointer instead.
Link: https://lore.kernel.org/r/225f4bfcb15fb69eb818ddb71d623157c447180a.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-tegra.c')
| -rw-r--r-- | drivers/pwm/pwm-tegra.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index 82ee2f0754f9..0d5f57c9ee26 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -66,7 +66,6 @@ struct tegra_pwm_soc { struct tegra_pwm_chip { struct pwm_chip chip; - struct device *dev; struct clk *clk; struct reset_control*rst; @@ -158,7 +157,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, */ required_clk_rate *= 2; - err = dev_pm_opp_set_rate(pc->dev, required_clk_rate); + err = dev_pm_opp_set_rate(pwmchip_parent(chip), required_clk_rate); if (err < 0) return -EINVAL; @@ -194,7 +193,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, * before writing the register. Otherwise, keep it enabled. */ if (!pwm_is_enabled(pwm)) { - err = pm_runtime_resume_and_get(pc->dev); + err = pm_runtime_resume_and_get(pwmchip_parent(chip)); if (err) return err; } else @@ -206,7 +205,7 @@ static int tegra_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_is_enabled(pwm)) - pm_runtime_put(pc->dev); + pm_runtime_put(pwmchip_parent(chip)); return 0; } @@ -217,7 +216,7 @@ static int tegra_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) int rc = 0; u32 val; - rc = pm_runtime_resume_and_get(pc->dev); + rc = pm_runtime_resume_and_get(pwmchip_parent(chip)); if (rc) return rc; @@ -237,7 +236,7 @@ static void tegra_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) val &= ~PWM_ENABLE; pwm_writel(pc, pwm->hwpwm, val); - pm_runtime_put_sync(pc->dev); + pm_runtime_put_sync(pwmchip_parent(chip)); } static int tegra_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, @@ -280,7 +279,6 @@ static int tegra_pwm_probe(struct platform_device *pdev) return -ENOMEM; pc->soc = of_device_get_match_data(&pdev->dev); - pc->dev = &pdev->dev; pc->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->regs)) @@ -302,7 +300,7 @@ static int tegra_pwm_probe(struct platform_device *pdev) return ret; /* Set maximum frequency of the IP */ - ret = dev_pm_opp_set_rate(pc->dev, pc->soc->max_frequency); + ret = dev_pm_opp_set_rate(&pdev->dev, pc->soc->max_frequency); if (ret < 0) { dev_err(&pdev->dev, "Failed to set max frequency: %d\n", ret); goto put_pm; |