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crypto: nx - add PowerNV platform NX-842 driver

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Add driver for NX-842 hardware on the PowerNV platform.

This allows the use of the 842 compression hardware coprocessor on
the PowerNV platform.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Streetman
2015-05-07 13:49:19 -04:00
committed by Herbert Xu
parent 959e6659b6
commit 99182a42b7
7 changed files with 741 additions and 12 deletions
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9
drivers/crypto/nx/nx-842-pseries.c
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@@ -160,15 +160,6 @@ static inline unsigned long nx842_get_scatterlist_size(
return sl->entry_nr * sizeof(struct nx842_slentry);
}
static inline unsigned long nx842_get_pa(void *addr)
{
if (is_vmalloc_addr(addr))
return page_to_phys(vmalloc_to_page(addr))
+ offset_in_page(addr);
else
return __pa(addr);
}
static int nx842_build_scatterlist(unsigned long buf, int len,
struct nx842_scatterlist *sl)
{