[RFC PATCH 04/15] pwm: make use of pwm_get_xxx helpers where appropriate
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STALE4097d
From: Boris Brezillon <hidden>
Date: 2015-07-01 08:21:50
Also in:
linux-fbdev, linux-leds, linux-pwm, linux-tegra
Subsystem:
arm/rockchip soc support, microchip pwm driver, pwm subsystem, the rest · Maintainers:
Heiko Stuebner, Claudiu Beznea, Uwe Kleine-König, Linus Torvalds
Use the pwm_get_xxx helpers instead of directly accessing the fields in pwm_device. This will allow us to smoothly move to the atomic update approach. Signed-off-by: Boris Brezillon <redacted> --- drivers/pwm/pwm-atmel.c | 2 +- drivers/pwm/pwm-bcm-kona.c | 3 ++- drivers/pwm/pwm-imx.c | 3 ++- drivers/pwm/pwm-rockchip.c | 2 +- drivers/pwm/sysfs.c | 11 ++++++----- 5 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index b3b294d..0e4bd4e 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c@@ -114,7 +114,7 @@ static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, u32 val; int ret; - if (pwm_is_enabled(pwm) && (period_ns != pwm->period)) { + if (pwm_is_enabled(pwm) && (period_ns != pwm_get_period(pwm))) { dev_err(chip->dev, "cannot change PWM period while enabled\n"); return -EBUSY; }
diff --git a/drivers/pwm/pwm-bcm-kona.c b/drivers/pwm/pwm-bcm-kona.c
index dfdcf88..920cd1b 100644
--- a/drivers/pwm/pwm-bcm-kona.c
+++ b/drivers/pwm/pwm-bcm-kona.c@@ -194,7 +194,8 @@ static int kona_pwmc_enable(struct pwm_chip *chip, struct pwm_device *pwm) return ret; } - ret = kona_pwmc_config(chip, pwm, pwm->duty_cycle, pwm->period); + ret = kona_pwmc_config(chip, pwm, pwm_get_duty_cycle(pwm), + pwm_get_period(pwm)); if (ret < 0) { clk_disable_unprepare(kp->clk); return ret;
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 008dc64..d600fd5 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c@@ -129,7 +129,8 @@ static int imx_pwm_config_v2(struct pwm_chip *chip, sr = readl(imx->mmio_base + MX3_PWMSR); fifoav = sr & MX3_PWMSR_FIFOAV_MASK; if (fifoav == MX3_PWMSR_FIFOAV_4WORDS) { - period_ms = DIV_ROUND_UP(pwm->period, NSEC_PER_MSEC); + period_ms = DIV_ROUND_UP(pwm_get_period(pwm), + NSEC_PER_MSEC); msleep(period_ms); sr = readl(imx->mmio_base + MX3_PWMSR);
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 9442df2..7d9cc90 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c@@ -83,7 +83,7 @@ static void rockchip_pwm_set_enable_v2(struct pwm_chip *chip, PWM_CONTINUOUS; u32 val; - if (pwm->polarity == PWM_POLARITY_INVERSED) + if (pwm_get_polarity(pwm) == PWM_POLARITY_INVERSED) enable_conf |= PWM_DUTY_NEGATIVE | PWM_INACTIVE_POSITIVE; else enable_conf |= PWM_DUTY_POSITIVE | PWM_INACTIVE_NEGATIVE;
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index eecf21d..ac0abec 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c@@ -46,7 +46,7 @@ static ssize_t pwm_period_show(struct device *child, { const struct pwm_device *pwm = child_to_pwm_device(child); - return sprintf(buf, "%u\n", pwm->period); + return sprintf(buf, "%u\n", pwm_get_period(pwm)); } static ssize_t pwm_period_store(struct device *child,
@@ -61,7 +61,7 @@ static ssize_t pwm_period_store(struct device *child, if (ret) return ret; - ret = pwm_config(pwm, pwm->duty_cycle, val); + ret = pwm_config(pwm, pwm_get_duty_cycle(pwm), val); return ret ? : size; }
@@ -72,7 +72,7 @@ static ssize_t pwm_duty_cycle_show(struct device *child, { const struct pwm_device *pwm = child_to_pwm_device(child); - return sprintf(buf, "%u\n", pwm->duty_cycle); + return sprintf(buf, "%u\n", pwm_get_duty_cycle(pwm)); } static ssize_t pwm_duty_cycle_store(struct device *child,
@@ -87,7 +87,7 @@ static ssize_t pwm_duty_cycle_store(struct device *child, if (ret) return ret; - ret = pwm_config(pwm, val, pwm->period); + ret = pwm_config(pwm, val, pwm_get_period(pwm)); return ret ? : size; }
@@ -134,7 +134,8 @@ static ssize_t pwm_polarity_show(struct device *child, { const struct pwm_device *pwm = child_to_pwm_device(child); - return sprintf(buf, "%s\n", pwm->polarity ? "inversed" : "normal"); + return sprintf(buf, "%s\n", + pwm_get_polarity(pwm) ? "inversed" : "normal"); } static ssize_t pwm_polarity_store(struct device *child,
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1.9.1