byteorder: Move {cpu_to_be32, be32_to_cpu}_array() from Thunderbolt to core

We will be using these when communicating XDomain discovery protocol
over Thunderbolt link but they might be useful for other drivers as
well.

Make them available through byteorder/generic.h.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Michael Jamet <michael.jamet@intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index fb40dd0588b9a7743e99e9af764772308d8d56c8..e6a4c9458c76362f8edacdf9d2ce78fd221c3c60 100644 (file)
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -289,20 +289,6 @@ static void tb_cfg_print_error(struct tb_ctl *ctl,
        }
 }
 
-static void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
-{
-       int i;
-       for (i = 0; i < len; i++)
-               dst[i] = cpu_to_be32(src[i]);
-}
-
-static void be32_to_cpu_array(u32 *dst, __be32 *src, size_t len)
-{
-       int i;
-       for (i = 0; i < len; i++)
-               dst[i] = be32_to_cpu(src[i]);
-}
-
 static __be32 tb_crc(const void *data, size_t len)
 {
        return cpu_to_be32(~__crc32c_le(~0, data, len));

diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index 89f67c1c316064614fca10a47a3be5319bbe874d..805d166544597df686b2131cb713158442774709 100644 (file)
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -170,4 +170,20 @@ static inline void be64_add_cpu(__be64 *var, u64 val)
        *var = cpu_to_be64(be64_to_cpu(*var) + val);
 }
 
+static inline void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
+{
+       int i;
+
+       for (i = 0; i < len; i++)
+               dst[i] = cpu_to_be32(src[i]);
+}
+
+static inline void be32_to_cpu_array(u32 *dst, const __be32 *src, size_t len)
+{
+       int i;
+
+       for (i = 0; i < len; i++)
+               dst[i] = be32_to_cpu(src[i]);
+}
+
 #endif /* _LINUX_BYTEORDER_GENERIC_H */