@@ -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_priv(chip);
}
static int rockchip_pwm_get_state(struct pwm_chip *chip,
@@ -297,6 +296,7 @@ MODULE_DEVICE_TABLE(of, rockchip_pwm_dt_ids);
static int rockchip_pwm_probe(struct platform_device *pdev)
{
const struct of_device_id *id;
+ struct pwm_chip *chip;
struct rockchip_pwm_chip *pc;
u32 enable_conf, ctrl;
bool enabled;
@@ -306,9 +306,10 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
if (!id)
return -EINVAL;
- 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_rockchip_pwm_chip(chip);
pc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pc->base))
@@ -342,18 +343,16 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
goto err_clk;
}
- platform_set_drvdata(pdev, pc);
+ platform_set_drvdata(pdev, chip);
pc->data = id->data;
- pc->chip.dev = &pdev->dev;
- pc->chip.ops = &rockchip_pwm_ops;
- pc->chip.npwm = 1;
+ chip->ops = &rockchip_pwm_ops;
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;
@@ -377,9 +376,10 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
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);
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. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/pwm/pwm-rockchip.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-)