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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>
hifive-unleashed-5.1
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 */