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pwm: rockchip: Make use of devm_pwmchip_alloc() function

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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>
This commit is contained in:
Uwe Kleine-König 2024-02-14 10:32:19 +01:00
parent 77e94c37db
commit 2528428ec8
1 changed files with 5 additions and 8 deletions
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13
drivers/pwm/pwm-rockchip.c
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@ -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);