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

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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>
This commit is contained in:
Mika Westerberg 2017-10-02 13:38:28 +03:00 committed by David S. Miller
parent 1dd236fda0
commit f2f2efb807
2 changed files with 16 additions and 14 deletions
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14
drivers/thunderbolt/ctl.c
View file

@ -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));

16
include/linux/byteorder/generic.h
View file

@ -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 */