From: Marius Cristea <marius.cristea@xxxxxxxxxxxxx>
The PAC194X, IIO driver, is using some unaligned 56 bit registers.
Provide some helper accessors in preparation for the new driver.
Signed-off-by: Marius Cristea <marius.cristea@xxxxxxxxxxxxx>
---
include/asm-generic/unaligned.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
index a84c64e5f11e..d171a9f2377a 100644
--- a/include/asm-generic/unaligned.h
+++ b/include/asm-generic/unaligned.h
@@ -152,4 +152,31 @@ static inline u64 get_unaligned_be48(const void *p)
return __get_unaligned_be48(p);
}
+static inline void __put_unaligned_be56(const u64 val, u8 *p)
+{
+ *p++ = (val >> 48) & 0xff;
+ *p++ = (val >> 40) & 0xff;
+ *p++ = (val >> 32) & 0xff;
+ *p++ = (val >> 24) & 0xff;
+ *p++ = (val >> 16) & 0xff;
+ *p++ = (val >> 8) & 0xff;
+ *p++ = val & 0xff;
+}
+
+static inline void put_unaligned_be56(const u64 val, void *p)
+{
+ __put_unaligned_be56(val, p);
+}
+
+static inline u64 __get_unaligned_be56(const u8 *p)
+{
+ return (u64)p[0] << 48 | (u64)p[1] << 40 | (u64)p[2] << 32 |
+ (u64)p[3] << 24 | p[4] << 16 | p[5] << 8 | p[6];
+}
+
+static inline u64 get_unaligned_be56(const void *p)
+{
+ return __get_unaligned_be56(p);
+}
+
#endif /* __ASM_GENERIC_UNALIGNED_H */
base-commit: b82c1d235a30622177ce10dcb94dfd691a49922f
--
2.43.0
