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pwm: ep93xx: drop legacy pinctrl

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Drop legacy gpio request/free since we are using
pinctrl for this now.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nikita Shubin 2024-09-09 11:10:58 +03:00 committed by Arnd Bergmann
parent 046322f1e1
commit a48ac3dc56
3 changed files with 0 additions and 64 deletions
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42
arch/arm/mach-ep93xx/core.c
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@ -577,48 +577,6 @@ void __init ep93xx_register_pwm(int pwm0, int pwm1)
platform_device_register(&ep93xx_pwm1_device);
}
int ep93xx_pwm_acquire_gpio(struct platform_device *pdev)
{
int err;
if (pdev->id == 0) {
err = 0;
} else if (pdev->id == 1) {
err = gpio_request(EP93XX_GPIO_LINE_EGPIO14,
dev_name(&pdev->dev));
if (err)
return err;
err = gpio_direction_output(EP93XX_GPIO_LINE_EGPIO14, 0);
if (err)
goto fail;
/* PWM 1 output on EGPIO[14] */
ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_PONG);
} else {
err = -ENODEV;
}
return err;
fail:
gpio_free(EP93XX_GPIO_LINE_EGPIO14);
return err;
}
EXPORT_SYMBOL(ep93xx_pwm_acquire_gpio);
void ep93xx_pwm_release_gpio(struct platform_device *pdev)
{
if (pdev->id == 1) {
gpio_direction_input(EP93XX_GPIO_LINE_EGPIO14);
gpio_free(EP93XX_GPIO_LINE_EGPIO14);
/* EGPIO[14] used for GPIO */
ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_PONG);
}
}
EXPORT_SYMBOL(ep93xx_pwm_release_gpio);
/*************************************************************************
* EP93xx video peripheral handling
*************************************************************************/

18
drivers/pwm/pwm-ep93xx.c
View File

@ -27,8 +27,6 @@
#include <asm/div64.h>
#include <linux/soc/cirrus/ep93xx.h> /* for ep93xx_pwm_{acquire,release}_gpio() */
#define EP93XX_PWMx_TERM_COUNT 0x00
#define EP93XX_PWMx_DUTY_CYCLE 0x04
#define EP93XX_PWMx_ENABLE 0x08
@ -44,20 +42,6 @@ static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip)
return pwmchip_get_drvdata(chip);
}
static int ep93xx_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct platform_device *pdev = to_platform_device(pwmchip_parent(chip));
return ep93xx_pwm_acquire_gpio(pdev);
}
static void ep93xx_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct platform_device *pdev = to_platform_device(pwmchip_parent(chip));
ep93xx_pwm_release_gpio(pdev);
}
static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
const struct pwm_state *state)
{
@ -156,8 +140,6 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
}
static const struct pwm_ops ep93xx_pwm_ops = {
.request = ep93xx_pwm_request,
.free = ep93xx_pwm_free,
.apply = ep93xx_pwm_apply,
};

4
include/linux/soc/cirrus/ep93xx.h
View File

@ -37,8 +37,6 @@ struct ep93xx_regmap_adev {
container_of((_adev), struct ep93xx_regmap_adev, adev)
#ifdef CONFIG_ARCH_EP93XX
int ep93xx_pwm_acquire_gpio(struct platform_device *pdev);
void ep93xx_pwm_release_gpio(struct platform_device *pdev);
int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
void ep93xx_ide_release_gpio(struct platform_device *pdev);
int ep93xx_i2s_acquire(void);
@ -46,8 +44,6 @@ void ep93xx_i2s_release(void);
unsigned int ep93xx_chip_revision(void);
#else
static inline int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) { return 0; }
static inline void ep93xx_pwm_release_gpio(struct platform_device *pdev) {}
static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; }
static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {}
static inline int ep93xx_i2s_acquire(void) { return 0; }