diff options
Diffstat (limited to 'drivers/pwm/pwm-pxa.c')
| -rw-r--r-- | drivers/pwm/pwm-pxa.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c index 20370e61de5a..dee6ab552a0a 100644 --- a/drivers/pwm/pwm-pxa.c +++ b/drivers/pwm/pwm-pxa.c @@ -23,14 +23,13 @@ #include <asm/div64.h> #define HAS_SECONDARY_PWM 0x10 -#define PWM_ID_BASE(d) ((d) & 0xf) static const struct platform_device_id pwm_id_table[] = { /* PWM has_secondary_pwm? */ { "pxa25x-pwm", 0 }, - { "pxa27x-pwm", 0 | HAS_SECONDARY_PWM }, - { "pxa168-pwm", 1 }, - { "pxa910-pwm", 1 }, + { "pxa27x-pwm", HAS_SECONDARY_PWM }, + { "pxa168-pwm", 0 }, + { "pxa910-pwm", 0 }, { }, }; MODULE_DEVICE_TABLE(platform, pwm_id_table); @@ -48,7 +47,6 @@ struct pxa_pwm_chip { struct device *dev; struct clk *clk; - int clk_enabled; void __iomem *mmio_base; }; @@ -108,24 +106,15 @@ static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, static int pxa_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { struct pxa_pwm_chip *pc = to_pxa_pwm_chip(chip); - int rc = 0; - if (!pc->clk_enabled) { - rc = clk_prepare_enable(pc->clk); - if (!rc) - pc->clk_enabled++; - } - return rc; + return clk_prepare_enable(pc->clk); } static void pxa_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { struct pxa_pwm_chip *pc = to_pxa_pwm_chip(chip); - if (pc->clk_enabled) { - clk_disable_unprepare(pc->clk); - pc->clk_enabled--; - } + clk_disable_unprepare(pc->clk); } static struct pwm_ops pxa_pwm_ops = { @@ -152,8 +141,6 @@ static int pwm_probe(struct platform_device *pdev) if (IS_ERR(pwm->clk)) return PTR_ERR(pwm->clk); - pwm->clk_enabled = 0; - pwm->chip.dev = &pdev->dev; pwm->chip.ops = &pxa_pwm_ops; pwm->chip.base = -1; |