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-rw-r--r--drivers/pwm/pwm-brcmstb.c4
-rw-r--r--drivers/pwm/pwm-lpc32xx.c16
-rw-r--r--drivers/pwm/pwm-sti.c75
3 files changed, 45 insertions, 50 deletions
diff --git a/drivers/pwm/pwm-brcmstb.c b/drivers/pwm/pwm-brcmstb.c
index 8063cffa1..5d7842a62 100644
--- a/drivers/pwm/pwm-brcmstb.c
+++ b/drivers/pwm/pwm-brcmstb.c
@@ -307,7 +307,7 @@ static int brcmstb_pwm_suspend(struct device *dev)
{
struct brcmstb_pwm *p = dev_get_drvdata(dev);
- clk_disable(p->clk);
+ clk_disable_unprepare(p->clk);
return 0;
}
@@ -316,7 +316,7 @@ static int brcmstb_pwm_resume(struct device *dev)
{
struct brcmstb_pwm *p = dev_get_drvdata(dev);
- clk_enable(p->clk);
+ clk_prepare_enable(p->clk);
return 0;
}
diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c
index ed8e9406b..b5f8b86b3 100644
--- a/drivers/pwm/pwm-lpc32xx.c
+++ b/drivers/pwm/pwm-lpc32xx.c
@@ -55,10 +55,10 @@ static int lpc32xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
if (duty_cycles > 255)
duty_cycles = 255;
- val = readl(lpc32xx->base + (pwm->hwpwm << 2));
+ val = readl(lpc32xx->base);
val &= ~0xFFFF;
val |= (period_cycles << 8) | duty_cycles;
- writel(val, lpc32xx->base + (pwm->hwpwm << 2));
+ writel(val, lpc32xx->base);
return 0;
}
@@ -73,9 +73,9 @@ static int lpc32xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
if (ret)
return ret;
- val = readl(lpc32xx->base + (pwm->hwpwm << 2));
+ val = readl(lpc32xx->base);
val |= PWM_ENABLE;
- writel(val, lpc32xx->base + (pwm->hwpwm << 2));
+ writel(val, lpc32xx->base);
return 0;
}
@@ -85,9 +85,9 @@ static void lpc32xx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
struct lpc32xx_pwm_chip *lpc32xx = to_lpc32xx_pwm_chip(chip);
u32 val;
- val = readl(lpc32xx->base + (pwm->hwpwm << 2));
+ val = readl(lpc32xx->base);
val &= ~PWM_ENABLE;
- writel(val, lpc32xx->base + (pwm->hwpwm << 2));
+ writel(val, lpc32xx->base);
clk_disable_unprepare(lpc32xx->clk);
}
@@ -125,9 +125,9 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
lpc32xx->chip.base = -1;
/* If PWM is disabled, configure the output to the default value */
- val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+ val = readl(lpc32xx->base);
val &= ~PWM_PIN_LEVEL;
- writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+ writel(val, lpc32xx->base);
ret = pwmchip_add(&lpc32xx->chip);
if (ret < 0) {
diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c
index 2b7c31c9d..059650d81 100644
--- a/drivers/pwm/pwm-sti.c
+++ b/drivers/pwm/pwm-sti.c
@@ -83,6 +83,7 @@ struct sti_pwm_compat_data {
unsigned int cpt_num_devs;
unsigned int max_pwm_cnt;
unsigned int max_prescale;
+ struct sti_cpt_ddata *ddata;
};
struct sti_pwm_chip {
@@ -318,7 +319,7 @@ static int sti_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
{
struct sti_pwm_chip *pc = to_sti_pwmchip(chip);
struct sti_pwm_compat_data *cdata = pc->cdata;
- struct sti_cpt_ddata *ddata = pwm_get_chip_data(pwm);
+ struct sti_cpt_ddata *ddata = &cdata->ddata[pwm->hwpwm];
struct device *dev = pc->dev;
unsigned int effective_ticks;
unsigned long long high, low;
@@ -421,7 +422,7 @@ static irqreturn_t sti_pwm_interrupt(int irq, void *data)
while (cpt_int_stat) {
devicenum = ffs(cpt_int_stat) - 1;
- ddata = pwm_get_chip_data(&pc->chip.pwms[devicenum]);
+ ddata = &pc->cdata->ddata[devicenum];
/*
* Capture input:
@@ -599,61 +600,55 @@ static int sti_pwm_probe(struct platform_device *pdev)
if (ret)
return ret;
- if (!cdata->pwm_num_devs)
- goto skip_pwm;
-
- pc->pwm_clk = of_clk_get_by_name(dev->of_node, "pwm");
- if (IS_ERR(pc->pwm_clk)) {
- dev_err(dev, "failed to get PWM clock\n");
- return PTR_ERR(pc->pwm_clk);
- }
+ if (cdata->pwm_num_devs) {
+ pc->pwm_clk = of_clk_get_by_name(dev->of_node, "pwm");
+ if (IS_ERR(pc->pwm_clk)) {
+ dev_err(dev, "failed to get PWM clock\n");
+ return PTR_ERR(pc->pwm_clk);
+ }
- ret = clk_prepare(pc->pwm_clk);
- if (ret) {
- dev_err(dev, "failed to prepare clock\n");
- return ret;
+ ret = clk_prepare(pc->pwm_clk);
+ if (ret) {
+ dev_err(dev, "failed to prepare clock\n");
+ return ret;
+ }
}
-skip_pwm:
- if (!cdata->cpt_num_devs)
- goto skip_cpt;
+ if (cdata->cpt_num_devs) {
+ pc->cpt_clk = of_clk_get_by_name(dev->of_node, "capture");
+ if (IS_ERR(pc->cpt_clk)) {
+ dev_err(dev, "failed to get PWM capture clock\n");
+ return PTR_ERR(pc->cpt_clk);
+ }
- pc->cpt_clk = of_clk_get_by_name(dev->of_node, "capture");
- if (IS_ERR(pc->cpt_clk)) {
- dev_err(dev, "failed to get PWM capture clock\n");
- return PTR_ERR(pc->cpt_clk);
- }
+ ret = clk_prepare(pc->cpt_clk);
+ if (ret) {
+ dev_err(dev, "failed to prepare clock\n");
+ return ret;
+ }
- ret = clk_prepare(pc->cpt_clk);
- if (ret) {
- dev_err(dev, "failed to prepare clock\n");
- return ret;
+ cdata->ddata = devm_kzalloc(dev, cdata->cpt_num_devs * sizeof(*cdata->ddata), GFP_KERNEL);
+ if (!cdata->ddata)
+ return -ENOMEM;
}
-skip_cpt:
pc->chip.dev = dev;
pc->chip.ops = &sti_pwm_ops;
pc->chip.base = -1;
pc->chip.npwm = pc->cdata->pwm_num_devs;
- ret = pwmchip_add(&pc->chip);
- if (ret < 0) {
- clk_unprepare(pc->pwm_clk);
- clk_unprepare(pc->cpt_clk);
- return ret;
- }
-
for (i = 0; i < cdata->cpt_num_devs; i++) {
- struct sti_cpt_ddata *ddata;
-
- ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
+ struct sti_cpt_ddata *ddata = &cdata->ddata[i];
init_waitqueue_head(&ddata->wait);
mutex_init(&ddata->lock);
+ }
- pwm_set_chip_data(&pc->chip.pwms[i], ddata);
+ ret = pwmchip_add(&pc->chip);
+ if (ret < 0) {
+ clk_unprepare(pc->pwm_clk);
+ clk_unprepare(pc->cpt_clk);
+ return ret;
}
platform_set_drvdata(pdev, pc);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 19:05:02 +0000