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authorAngel Pons <th3fanbus@gmail.com>2022-08-14 11:07:42 +0200
committerTim Wawrzynczak <twawrzynczak@chromium.org>2022-08-17 19:49:13 +0000
commitc826ba419f06f9df9cded8e60633253ddc7b60ff (patch)
treebca8257844fac0202eda807e5927a40abcb70ab9 /src/commonlib/bsd
parent03f6820194218ce32cc5497eec0c02c74b67bf6e (diff)
commonlib/clamp.h: Relicense file to be BSD-compatible
I added this header in commit a6c8b4becbd12fe6043557ca1e398c1a7c691007 (nb/intel/sandybridge: Rewrite get_FRQ). Relicense it as "BSD-3-Clause OR GPL-2.0-or-later" and move it into the BSD-licensed commonlib part. Change-Id: I89ebdcdf8d06e78e624e37a443696981b3b17b7d Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66711 Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/commonlib/bsd')
-rw-r--r--src/commonlib/bsd/include/commonlib/bsd/clamp.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/commonlib/bsd/include/commonlib/bsd/clamp.h b/src/commonlib/bsd/include/commonlib/bsd/clamp.h
new file mode 100644
index 0000000000..66513b0337
--- /dev/null
+++ b/src/commonlib/bsd/include/commonlib/bsd/clamp.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */
+
+#ifndef COMMONLIB_BSD_CLAMP_H
+#define COMMONLIB_BSD_CLAMP_H
+
+#include <stdint.h>
+
+/*
+ * Clamp a value, so that it is between a lower and an upper bound.
+ */
+static inline u32 clamp_u32(const u32 min, const u32 val, const u32 max)
+{
+ if (val > max)
+ return max;
+
+ if (val < min)
+ return min;
+
+ return val;
+}
+
+#endif /* COMMONLIB_BSD_CLAMP_H */