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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-05-01 15:20:08 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-05-01 15:20:08 -0700
commit9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e (patch)
treed57f3a63479a07b4e0cece029886e76e04feb984 /include/linux/bcd.h
parent5dc63e56a9cf8df0b59c234a505a1653f1bdf885 (diff)
parent53bea86b5712c7491bb3dae12e271666df0a308c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.4 merge window.
Diffstat (limited to 'include/linux/bcd.h')
-rw-r--r--include/linux/bcd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index 118bea36d7d4..abbc8149178e 100644
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -14,8 +14,12 @@
const_bin2bcd(x) : \
_bin2bcd(x))
+#define bcd_is_valid(x) \
+ const_bcd_is_valid(x)
+
#define const_bcd2bin(x) (((x) & 0x0f) + ((x) >> 4) * 10)
#define const_bin2bcd(x) ((((x) / 10) << 4) + (x) % 10)
+#define const_bcd_is_valid(x) (((x) & 0x0f) < 10 && ((x) >> 4) < 10)
unsigned _bcd2bin(unsigned char val) __attribute_const__;
unsigned char _bin2bcd(unsigned val) __attribute_const__;