diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:32:18 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 11:04:13 +0100 |
| commit | 77e94c37db10fd46c87c3cf05019eec3478cc36e (patch) | |
| tree | d65090e14947161877c401b11b2e5c3b4ddd7923 /drivers/pwm/pwm-rockchip.c | |
| parent | 3a284e0eae81790a13f855c9dea750197520d5ea (diff) | |
| download | lwn-77e94c37db10fd46c87c3cf05019eec3478cc36e.tar.gz lwn-77e94c37db10fd46c87c3cf05019eec3478cc36e.zip | |
pwm: rochchip: Prepare removing pwm_chip from driver data
This prepares the driver for further changes that will drop struct
pwm_chip chip from struct rockchip_pwm_chip. Use the pwm_chip as driver
data instead of the rockchip_pwm_chip to get access to the pwm_chip in
rockchip_pwm_remove() without using pc->chip.
Link: https://lore.kernel.org/r/301657442c578cc8d330ad2b07463d59fed4bff6.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-rockchip.c')
| -rw-r--r-- | drivers/pwm/pwm-rockchip.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index a7c647e37837..c001eb6b17ae 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -296,6 +296,7 @@ MODULE_DEVICE_TABLE(of, rockchip_pwm_dt_ids); static int rockchip_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct rockchip_pwm_chip *pc; u32 enable_conf, ctrl; bool enabled; @@ -304,6 +305,7 @@ static int rockchip_pwm_probe(struct platform_device *pdev) pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); if (!pc) return -ENOMEM; + chip = &pc->chip; pc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->base)) @@ -337,18 +339,18 @@ static int rockchip_pwm_probe(struct platform_device *pdev) goto err_clk; } - platform_set_drvdata(pdev, pc); + platform_set_drvdata(pdev, chip); pc->data = device_get_match_data(&pdev->dev); - pc->chip.dev = &pdev->dev; - pc->chip.ops = &rockchip_pwm_ops; - pc->chip.npwm = 1; + chip->dev = &pdev->dev; + chip->ops = &rockchip_pwm_ops; + chip->npwm = 1; enable_conf = pc->data->enable_conf; ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl); enabled = (ctrl & enable_conf) == enable_conf; - ret = pwmchip_add(&pc->chip); + ret = pwmchip_add(chip); if (ret < 0) { dev_err_probe(&pdev->dev, ret, "pwmchip_add() failed\n"); goto err_pclk; @@ -372,9 +374,10 @@ err_clk: static void rockchip_pwm_remove(struct platform_device *pdev) { - struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev); + struct pwm_chip *chip = platform_get_drvdata(pdev); + struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); - pwmchip_remove(&pc->chip); + pwmchip_remove(chip); clk_unprepare(pc->pclk); clk_unprepare(pc->clk); |