diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> | 2026-01-09 17:57:45 +0100 |
|---|---|---|
| committer | Rob Herring (Arm) <robh@kernel.org> | 2026-02-03 20:58:12 -0600 |
| commit | 620097c6c070fb01259b5fcab915065ce746e5a1 (patch) | |
| tree | 28c3becd19693d11dda745e2809f301b5552ea9d /include/linux | |
| parent | c75afcb4a8e708747534d8b88a1bcd912cdf9223 (diff) | |
of: Add for_each_compatible_node_scoped() helper
Just like looping through children and available children, add a scoped
helper for for_each_compatible_node() so error paths can drop
of_node_put() leading to simpler code.
Suggested-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260109-of-for-each-compatible-scoped-v3-1-c22fa2c0749a@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/of.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index 9bbdcf25a2b4..be6ec4916adf 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -1485,6 +1485,13 @@ static inline int of_property_read_s32(const struct device_node *np, #define for_each_compatible_node(dn, type, compatible) \ for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ dn = of_find_compatible_node(dn, type, compatible)) + +#define for_each_compatible_node_scoped(dn, type, compatible) \ + for (struct device_node *dn __free(device_node) = \ + of_find_compatible_node(NULL, type, compatible); \ + dn; \ + dn = of_find_compatible_node(dn, type, compatible)) + #define for_each_matching_node(dn, matches) \ for (dn = of_find_matching_node(NULL, matches); dn; \ dn = of_find_matching_node(dn, matches)) |