diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:33:02 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 14:39:26 +0100 |
| commit | 76b4accb7c62d904f7e3c78d2ded7041cd662b21 (patch) | |
| tree | 97c4346750cdf13907d9e0707ec405a343ed404c /drivers | |
| parent | pwm: tiecap: Make use of pwmchip_parent() accessor (diff) | |
| download | linux-76b4accb7c62d904f7e3c78d2ded7041cd662b21.tar.xz linux-76b4accb7c62d904f7e3c78d2ded7041cd662b21.zip | |
pwm: tiecap: Make use of devm_pwmchip_alloc() function
This prepares the pwm-tegra 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/af7846109c0df225126c8e5cd186b89ace70afc0.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pwm/pwm-tiecap.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c index 558b244f074a..d6c2b1b1387e 100644 --- a/drivers/pwm/pwm-tiecap.c +++ b/drivers/pwm/pwm-tiecap.c @@ -32,7 +32,6 @@ struct ecap_context { }; struct ecap_pwm_chip { - struct pwm_chip chip; unsigned int clk_rate; void __iomem *mmio_base; struct ecap_context ctx; @@ -40,7 +39,7 @@ struct ecap_pwm_chip { static inline struct ecap_pwm_chip *to_ecap_pwm_chip(struct pwm_chip *chip) { - return container_of(chip, struct ecap_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } /* @@ -222,9 +221,10 @@ static int ecap_pwm_probe(struct platform_device *pdev) struct clk *clk; int ret; - pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); - if (!pc) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*pc)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + pc = to_ecap_pwm_chip(chip); clk = devm_clk_get(&pdev->dev, "fck"); if (IS_ERR(clk)) { @@ -245,10 +245,7 @@ static int ecap_pwm_probe(struct platform_device *pdev) return -EINVAL; } - chip = &pc->chip; - chip->dev = &pdev->dev; chip->ops = &ecap_pwm_ops; - chip->npwm = 1; pc->mmio_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->mmio_base)) |