diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-11-17 10:21:51 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-02-22 13:55:22 +0300 |
| commit | 5a7fbe452ad9e4a8988d4c20d7acf148383f8106 (patch) | |
| tree | 7f9fbd3860bfce6b3c2fa23ab70c07a19c818cec | |
| parent | 901ae537b7977716dc6d2db34b3a75d64a72ab2b (diff) | |
| download | linux-5a7fbe452ad9e4a8988d4c20d7acf148383f8106.tar.xz | |
backlight: pwm_bl: Drop support for legacy PWM probing
There is no in-tree user left which relies on legacy probing. So drop
support for it which removes another user of the deprecated
pwm_request() function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221117072151.3789691-1-u.kleine-koenig@pengutronix.de
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 12 | ||||
| -rw-r--r-- | include/linux/pwm_backlight.h | 1 |
2 files changed, 0 insertions, 13 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index c0523a0269ee..d0b22158cd70 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -28,7 +28,6 @@ struct pwm_bl_data { struct regulator *power_supply; struct gpio_desc *enable_gpio; unsigned int scale; - bool legacy; unsigned int post_pwm_on_delay; unsigned int pwm_off_delay; int (*notify)(struct device *, @@ -455,7 +454,6 @@ static int pwm_backlight_probe(struct platform_device *pdev) struct platform_pwm_backlight_data defdata; struct backlight_properties props; struct backlight_device *bl; - struct device_node *node = pdev->dev.of_node; struct pwm_bl_data *pb; struct pwm_state state; unsigned int i; @@ -506,12 +504,6 @@ static int pwm_backlight_probe(struct platform_device *pdev) } pb->pwm = devm_pwm_get(&pdev->dev, NULL); - if (IS_ERR(pb->pwm) && PTR_ERR(pb->pwm) != -EPROBE_DEFER && !node) { - dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n"); - pb->legacy = true; - pb->pwm = pwm_request(data->pwm_id, "pwm-backlight"); - } - if (IS_ERR(pb->pwm)) { ret = PTR_ERR(pb->pwm); if (ret != -EPROBE_DEFER) @@ -604,8 +596,6 @@ static int pwm_backlight_probe(struct platform_device *pdev) if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); ret = PTR_ERR(bl); - if (pb->legacy) - pwm_free(pb->pwm); goto err_alloc; } @@ -639,8 +629,6 @@ static int pwm_backlight_remove(struct platform_device *pdev) if (pb->exit) pb->exit(&pdev->dev); - if (pb->legacy) - pwm_free(pb->pwm); return 0; } diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 06086cb93b6f..cdd2ac366bc7 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -8,7 +8,6 @@ #include <linux/backlight.h> struct platform_pwm_backlight_data { - int pwm_id; unsigned int max_brightness; unsigned int dft_brightness; unsigned int lth_brightness; |