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authorMark Brown <broonie@kernel.org>2021-05-18 17:24:52 +0100
committerMark Brown <broonie@kernel.org>2021-05-18 17:24:52 +0100
commitc37fe6aff89cb0d842993fe2f69e48bf3ebe0ab0 (patch)
tree2a322c48218f7006bab789b7bf16ec58b129a096 /include/linux/align.h
parentd7aed20d446d8c87f5e13adf73281056b0064a45 (diff)
parentd07f6ca923ea0927a1024dfccafc5b53b61cfecc (diff)
Merge tag 'v5.13-rc2' into spi-5.13
Linux 5.13-rc2
Diffstat (limited to 'include/linux/align.h')
-rw-r--r--include/linux/align.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/align.h b/include/linux/align.h
new file mode 100644
index 000000000000..2b4acec7b95a
--- /dev/null
+++ b/include/linux/align.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_ALIGN_H
+#define _LINUX_ALIGN_H
+
+#include <linux/const.h>
+
+/* @a is a power of 2 value */
+#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
+#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
+#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
+#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
+#define PTR_ALIGN_DOWN(p, a) ((typeof(p))ALIGN_DOWN((unsigned long)(p), (a)))
+#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
+
+#endif /* _LINUX_ALIGN_H */