diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-02-23 14:37:16 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-12 16:18:48 +0100 |
| commit | 59621105ffca7a33955f56bc7dee0923992f5832 (patch) | |
| tree | 088fd0c75a64e9861aba710ba4963e2c03bed16a /drivers/of | |
| parent | 2de27980e1d46e5dac586b1785edee7849a6e705 (diff) | |
of: provide of_machine_read_compatible()
Provide a helper function allowing users to read the compatible string
of the machine, hiding the access to the root node.
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260223-soc-of-root-v2-1-b45da45903c8@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/base.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index 57420806c1a2..b70aec32e0e3 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -435,6 +435,21 @@ bool of_machine_compatible_match(const char *const *compats) EXPORT_SYMBOL(of_machine_compatible_match); /** + * of_machine_read_compatible - Get the compatible string of this machine + * @compatible: address at which the address of the compatible string will be + * stored + * @index: index of the compatible entry in the list + * + * Returns: + * 0 on success, negative error number on failure. + */ +int of_machine_read_compatible(const char **compatible, unsigned int index) +{ + return of_property_read_string_index(of_root, "compatible", index, compatible); +} +EXPORT_SYMBOL_GPL(of_machine_read_compatible); + +/** * of_machine_device_match - Test root of device tree against a of_device_id array * @matches: NULL terminated array of of_device_id match structures to search in * |