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authorNicolai Stange <nicstange@gmail.com>2016-05-26 12:57:50 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2016-05-31 16:41:58 +0800
commit4bdf1cfca5d46294142cdf49cd997b8b83491adf (patch)
treee9e3474d54eb07664a5917aab42a7ba10383e8c3 /lib/mpi/mpicoder.c
parent1ff69adf747e75425d5e67df2f2ac866e7ebd165 (diff)
downloadlinux-stericsson-4bdf1cfca5d46294142cdf49cd997b8b83491adf.tar.gz
lib/mpi: purge mpi_set_buffer()
mpi_set_buffer() has no in-tree users and similar functionality is provided by mpi_read_raw_data(). Remove mpi_set_buffer(). Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib/mpi/mpicoder.c')
-rw-r--r--lib/mpi/mpicoder.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index 747606f9e4a3..c7420335a5bb 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -250,82 +250,6 @@ void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign)
}
EXPORT_SYMBOL_GPL(mpi_get_buffer);
-/****************
- * Use BUFFER to update MPI.
- */
-int mpi_set_buffer(MPI a, const void *xbuffer, unsigned nbytes, int sign)
-{
- const uint8_t *buffer = xbuffer, *p;
- mpi_limb_t alimb;
- int nlimbs;
- int i;
-
- nlimbs = DIV_ROUND_UP(nbytes, BYTES_PER_MPI_LIMB);
- if (RESIZE_IF_NEEDED(a, nlimbs) < 0)
- return -ENOMEM;
- a->sign = sign;
-
- for (i = 0, p = buffer + nbytes - 1; p >= buffer + BYTES_PER_MPI_LIMB;) {
-#if BYTES_PER_MPI_LIMB == 4
- alimb = (mpi_limb_t) *p--;
- alimb |= (mpi_limb_t) *p-- << 8;
- alimb |= (mpi_limb_t) *p-- << 16;
- alimb |= (mpi_limb_t) *p-- << 24;
-#elif BYTES_PER_MPI_LIMB == 8
- alimb = (mpi_limb_t) *p--;
- alimb |= (mpi_limb_t) *p-- << 8;
- alimb |= (mpi_limb_t) *p-- << 16;
- alimb |= (mpi_limb_t) *p-- << 24;
- alimb |= (mpi_limb_t) *p-- << 32;
- alimb |= (mpi_limb_t) *p-- << 40;
- alimb |= (mpi_limb_t) *p-- << 48;
- alimb |= (mpi_limb_t) *p-- << 56;
-#else
-#error please implement for this limb size.
-#endif
- a->d[i++] = alimb;
- }
- if (p >= buffer) {
-#if BYTES_PER_MPI_LIMB == 4
- alimb = *p--;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 8;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 16;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 24;
-#elif BYTES_PER_MPI_LIMB == 8
- alimb = (mpi_limb_t) *p--;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 8;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 16;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 24;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 32;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 40;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 48;
- if (p >= buffer)
- alimb |= (mpi_limb_t) *p-- << 56;
-#else
-#error please implement for this limb size.
-#endif
- a->d[i++] = alimb;
- }
- a->nlimbs = i;
-
- if (i != nlimbs) {
- pr_emerg("MPI: mpi_set_buffer: Assertion failed (%d != %d)", i,
- nlimbs);
- BUG();
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(mpi_set_buffer);
-
/**
* mpi_write_to_sgl() - Funnction exports MPI to an sgl (msb first)
*