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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-06-09 18:48:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-15 14:34:30 +0300 |
| commit | 2de5897b5c148a1cdf31bf4628590825d694c37d (patch) | |
| tree | 200cd5c452372ca5c1631f1ab4d911cf6bcca6fa | |
| parent | 007cfa13e034a1a2973967cbbe31e70c19e2bf31 (diff) | |
| download | linux-2de5897b5c148a1cdf31bf4628590825d694c37d.tar.xz | |
device property: Implement device_is_compatible()
Some users want to use the struct device pointer to see if the
device is compatible in terms of Open Firmware specifications,
i.e. if it has a 'compatible' property and it matches to the
given value. Provide inline helper for the users.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Message-ID: <20230609154900.43024-3-andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/property.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/property.h b/include/linux/property.h index 66df1a15d518..8c3c6685a2ae 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -85,6 +85,18 @@ bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char return fwnode_property_match_string(fwnode, "compatible", compat) >= 0; } +/** + * device_is_compatible - match 'compatible' property of the device with a given string + * @dev: Pointer to the struct device + * @compat: The string to match 'compatible' property with + * + * Returns: true if matches, otherwise false. + */ +static inline bool device_is_compatible(const struct device *dev, const char *compat) +{ + return fwnode_device_is_compatible(dev_fwnode(dev), compat); +} + int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int nargs, unsigned int index, |