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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2022-11-17 08:21:51 +0100
committerLee Jones <lee@kernel.org>2023-02-22 10:55:22 +0000
commit5a7fbe452ad9e4a8988d4c20d7acf148383f8106 (patch)
tree7f9fbd3860bfce6b3c2fa23ab70c07a19c818cec /drivers/video
parent901ae537b7977716dc6d2db34b3a75d64a72ab2b (diff)
downloadlinux-5a7fbe452ad9e4a8988d4c20d7acf148383f8106.tar.gz
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
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/pwm_bl.c12
1 files changed, 0 insertions, 12 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;
}