diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-06-07 15:24:56 +0300 |
|---|---|---|
| committer |   Thierry Reding <thierry.reding@gmail.com> | 2021-06-30 19:12:19 +0200 |
| commit | e625fb70a6d21e4d9ca6d91924d4711a66fd634f (patch) | |
| tree | fca4462b5ca958394351cce0d28d1e7b561eb8b3 /drivers/pwm/core.c | |
| parent | pwm: core: Reuse fwnode_to_pwmchip() in ACPI case (diff) | |
| download | linux-dev-e625fb70a6d21e4d9ca6d91924d4711a66fd634f.tar.xz linux-dev-e625fb70a6d21e4d9ca6d91924d4711a66fd634f.zip | |
pwm: core: Unify fwnode checks in the module
Historically we have two different approaches on how to check type of fwnode.
Unify them using the latest and greatest fwnode related APIs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index b72fb77aea60..e823a4eba79e 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -829,7 +829,7 @@ EXPORT_SYMBOL_GPL(of_pwm_get); /** * acpi_pwm_get() - request a PWM via parsing "pwms" property in ACPI - * @fwnode: firmware node to get the "pwm" property from + * @fwnode: firmware node to get the "pwms" property from * * Returns the PWM device parsed from the fwnode and index specified in the * "pwms" property or a negative error-code on failure. @@ -844,7 +844,7 @@ EXPORT_SYMBOL_GPL(of_pwm_get); * Returns: A pointer to the requested PWM device or an ERR_PTR()-encoded * error code on failure. */ -static struct pwm_device *acpi_pwm_get(struct fwnode_handle *fwnode) +static struct pwm_device *acpi_pwm_get(const struct fwnode_handle *fwnode) { struct pwm_device *pwm = ERR_PTR(-ENODEV); struct fwnode_reference_args args; @@ -928,6 +928,7 @@ void pwm_remove_table(struct pwm_lookup *table, size_t num) */ struct pwm_device *pwm_get(struct device *dev, const char *con_id) { + const struct fwnode_handle *fwnode = dev ? dev_fwnode(dev) : NULL; const char *dev_id = dev ? dev_name(dev) : NULL; struct pwm_device *pwm; struct pwm_chip *chip; @@ -938,12 +939,12 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) int err; /* look up via DT first */ - if (IS_ENABLED(CONFIG_OF) && dev && dev->of_node) - return of_pwm_get(dev, dev->of_node, con_id); + if (is_of_node(fwnode)) + return of_pwm_get(dev, to_of_node(fwnode), con_id); /* then lookup via ACPI */ - if (dev && is_acpi_node(dev->fwnode)) { - pwm = acpi_pwm_get(dev->fwnode); + if (is_acpi_node(fwnode)) { + pwm = acpi_pwm_get(fwnode); if (!IS_ERR(pwm) || PTR_ERR(pwm) != -ENOENT) return pwm; } |