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pwm: core: Simplify some devm_*pwm*() functions

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Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Andy Shevchenko 2021-06-07 15:24:58 +03:00 committed by Thierry Reding
parent c333b936c1
commit 9ae241d06e
1 changed files with 25 additions and 35 deletions
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60
drivers/pwm/core.c
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@ -1065,9 +1065,9 @@ out:
}
EXPORT_SYMBOL_GPL(pwm_put);
static void devm_pwm_release(struct device *dev, void *res)
static void devm_pwm_release(void *pwm)
{
pwm_put(*(struct pwm_device **)res);
pwm_put(pwm);
}
/**
@ -1083,19 +1083,16 @@ static void devm_pwm_release(struct device *dev, void *res)
*/
struct pwm_device *devm_pwm_get(struct device *dev, const char *con_id)
{
struct pwm_device **ptr, *pwm;
ptr = devres_alloc(devm_pwm_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
struct pwm_device *pwm;
int ret;
pwm = pwm_get(dev, con_id);
if (!IS_ERR(pwm)) {
*ptr = pwm;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
if (IS_ERR(pwm))
return pwm;
ret = devm_add_action_or_reset(dev, devm_pwm_release, pwm);
if (ret)
return ERR_PTR(ret);
return pwm;
}
@ -1116,19 +1113,16 @@ EXPORT_SYMBOL_GPL(devm_pwm_get);
struct pwm_device *devm_of_pwm_get(struct device *dev, struct device_node *np,
const char *con_id)
{
struct pwm_device **ptr, *pwm;
ptr = devres_alloc(devm_pwm_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
struct pwm_device *pwm;
int ret;
pwm = of_pwm_get(dev, np, con_id);
if (!IS_ERR(pwm)) {
*ptr = pwm;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
if (IS_ERR(pwm))
return pwm;
ret = devm_add_action_or_reset(dev, devm_pwm_release, pwm);
if (ret)
return ERR_PTR(ret);
return pwm;
}
@ -1150,23 +1144,19 @@ struct pwm_device *devm_fwnode_pwm_get(struct device *dev,
struct fwnode_handle *fwnode,
const char *con_id)
{
struct pwm_device **ptr, *pwm = ERR_PTR(-ENODEV);
ptr = devres_alloc(devm_pwm_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
struct pwm_device *pwm = ERR_PTR(-ENODEV);
int ret;
if (is_of_node(fwnode))
pwm = of_pwm_get(dev, to_of_node(fwnode), con_id);
else if (is_acpi_node(fwnode))
pwm = acpi_pwm_get(fwnode);
if (IS_ERR(pwm))
return pwm;
if (!IS_ERR(pwm)) {
*ptr = pwm;
devres_add(dev, ptr);
} else {
devres_free(ptr);
}
ret = devm_add_action_or_reset(dev, devm_pwm_release, pwm);
if (ret)
return ERR_PTR(ret);
return pwm;
}