1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/nova-core/util.rs b/drivers/gpu/nova-core/util.rs
new file mode 100644
index 000000000000..332a64cfc6a9
--- /dev/null
+++ b/drivers/gpu/nova-core/util.rs
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+
+pub(crate) const fn to_lowercase_bytes<const N: usize>(s: &str) -> [u8; N] {
+    let src = s.as_bytes();
+    let mut dst = [0; N];
+    let mut i = 0;
+
+    while i < src.len() && i < N {
+        dst[i] = (src[i] as char).to_ascii_lowercase() as u8;
+        i += 1;
+    }
+
+    dst
+}
+
+pub(crate) const fn const_bytes_to_str(bytes: &[u8]) -> &str {
+    match core::str::from_utf8(bytes) {
+        Ok(string) => string,
+        Err(_) => kernel::build_error!("Bytes are not valid UTF-8."),
+    }
+}