diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 12:32:19 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 13:04:14 +0300 |
| commit | 2528428ec8491b58bca1035383026a653d1391a9 (patch) | |
| tree | 949ac6d6d07b3f7faacca27fcf1207bffb5716f7 /drivers/pwm/pwm-rockchip.c | |
| parent | 77e94c37db10fd46c87c3cf05019eec3478cc36e (diff) | |
| download | linux-2528428ec8491b58bca1035383026a653d1391a9.tar.xz | |
pwm: rockchip: Make use of devm_pwmchip_alloc() function
This prepares the pwm-rockchip driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/61a3f48710e3e795beb2e496c8c673bbc0f6c932.1707900770.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 | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index c001eb6b17ae..0fa7575dbb54 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -30,7 +30,6 @@ #define PWM_LP_DISABLE (0 << 8) struct rockchip_pwm_chip { - struct pwm_chip chip; struct clk *clk; struct clk *pclk; const struct rockchip_pwm_data *data; @@ -54,7 +53,7 @@ struct rockchip_pwm_data { static inline struct rockchip_pwm_chip *to_rockchip_pwm_chip(struct pwm_chip *chip) { - return container_of(chip, struct rockchip_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static int rockchip_pwm_get_state(struct pwm_chip *chip, @@ -302,10 +301,10 @@ static int rockchip_pwm_probe(struct platform_device *pdev) bool enabled; int ret, count; - pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); - if (!pc) - return -ENOMEM; - chip = &pc->chip; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*pc)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + pc = to_rockchip_pwm_chip(chip); pc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->base)) @@ -342,9 +341,7 @@ static int rockchip_pwm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, chip); pc->data = device_get_match_data(&pdev->dev); - 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); |