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authorHimbeer <himbeer@disroot.org>2024-05-11 12:11:54 +0200
committerHimbeer <himbeer@disroot.org>2024-05-11 12:12:08 +0200
commit1e0b501526232e475cad852828b40a13e616d2f0 (patch)
tree04695559c1c996958173aafb10fb97d05b6764f1
parentd3e2b8bb0d14fff92b7337055a8829195cd9b745 (diff)
fdt: Add node driver picker
-rw-r--r--src/fdt.zig10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/fdt.zig b/src/fdt.zig
index 2139807..3912833 100644
--- a/src/fdt.zig
+++ b/src/fdt.zig
@@ -40,6 +40,16 @@ pub const Node = struct {
return try std.fmt.parseInt(usize, unitAddrStr, 16);
}
+
+ pub fn preferredDriver(self: Node, drivers: []const []const u8) ?[]const u8 {
+ const compatible_prop = self.props.get("compatible") orelse return false;
+
+ for (std.mem.tokenizeScalar(u8, compatible_prop, '\x00')) |compatible| {
+ if (std.mem.containsAtLeast([]const u8, drivers, compatible)) return compatible;
+ }
+
+ return null;
+ }
};
pub const Property = struct {