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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:32:57 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 14:39:26 +0100 |
| commit | aa37f83f7bfadc7e9dac8b32d87f93d185cd5555 (patch) | |
| tree | c4e3b5f179eaab654190ee08da43efdd1f66da93 /drivers/pwm | |
| parent | b662c6e80976ece851dc2d164a5e32885704e4e2 (diff) | |
| download | linux-aa37f83f7bfadc7e9dac8b32d87f93d185cd5555.tar.gz linux-aa37f83f7bfadc7e9dac8b32d87f93d185cd5555.tar.bz2 linux-aa37f83f7bfadc7e9dac8b32d87f93d185cd5555.zip | |
pwm: tegra: Prepare removing pwm_chip from driver data
This prepares the driver for further changes that will drop struct
pwm_chip chip from struct tegra_pwm_chip. Use the pwm_chip as driver
data instead of the tegra_pwm_chip to get access to the pwm_chip in
tegra_pwm_remove() without using pc->chip.
Link: https://lore.kernel.org/r/2813c63bf1317dee808f4c5c4a9411999f2d5746.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-tegra.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index 0d5f57c9ee26..f61c24376523 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -271,12 +271,14 @@ static const struct pwm_ops tegra_pwm_ops = { static int tegra_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct tegra_pwm_chip *pc; int ret; pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); if (!pc) return -ENOMEM; + chip = &pc->chip; pc->soc = of_device_get_match_data(&pdev->dev); @@ -284,7 +286,7 @@ static int tegra_pwm_probe(struct platform_device *pdev) if (IS_ERR(pc->regs)) return PTR_ERR(pc->regs); - platform_set_drvdata(pdev, pc); + platform_set_drvdata(pdev, chip); pc->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pc->clk)) @@ -326,11 +328,11 @@ static int tegra_pwm_probe(struct platform_device *pdev) reset_control_deassert(pc->rst); - pc->chip.dev = &pdev->dev; - pc->chip.ops = &tegra_pwm_ops; - pc->chip.npwm = pc->soc->num_channels; + chip->dev = &pdev->dev; + chip->ops = &tegra_pwm_ops; + chip->npwm = pc->soc->num_channels; - ret = pwmchip_add(&pc->chip); + ret = pwmchip_add(chip); if (ret < 0) { dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); reset_control_assert(pc->rst); @@ -348,9 +350,10 @@ put_pm: static void tegra_pwm_remove(struct platform_device *pdev) { - struct tegra_pwm_chip *pc = platform_get_drvdata(pdev); + struct pwm_chip *chip = platform_get_drvdata(pdev); + struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip); - pwmchip_remove(&pc->chip); + pwmchip_remove(chip); reset_control_assert(pc->rst); @@ -359,7 +362,8 @@ static void tegra_pwm_remove(struct platform_device *pdev) static int __maybe_unused tegra_pwm_runtime_suspend(struct device *dev) { - struct tegra_pwm_chip *pc = dev_get_drvdata(dev); + struct pwm_chip *chip = dev_get_drvdata(dev); + struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip); int err; clk_disable_unprepare(pc->clk); @@ -375,7 +379,8 @@ static int __maybe_unused tegra_pwm_runtime_suspend(struct device *dev) static int __maybe_unused tegra_pwm_runtime_resume(struct device *dev) { - struct tegra_pwm_chip *pc = dev_get_drvdata(dev); + struct pwm_chip *chip = dev_get_drvdata(dev); + struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip); int err; err = pinctrl_pm_select_default_state(dev); |