Comment 3 for bug 1454687

------- Comment From <email address hidden> 2015-06-23 11:02 EDT-------
Patches are in Linus' tree:

ed70b47 crypto: nx - add hardware 842 crypto comp alg
b8e04187 crypto: nx - simplify pSeries nx842 driver
99182a42 crypto: nx - add PowerNV platform NX-842 driver
959e665 crypto: nx - add nx842 constraints
7011a12 crypto: nx - add NX-842 platform frontend driver
fdd05e4 crypto: nx - rename nx-842.c to nx-842-pseries.c
2062c5b crypto: 842 - change 842 alg to use software
2da572c lib: add software 842 compression/decompression
edc424f powerpc: Add ICSWX instruction
b130e7c powerpc: export of_get_ibm_chip_id function

additionally, these patches further improve NX-842 and are also in Linus' tree:

c47d630 crypto: nx - add LE support to pSeries platform driver
2c6f6ea crypto: nx - replace NX842_MEM_COMPRESS with function
32be6d3 crypto: nx - move include/linux/nx842.h into drivers/crypto/nx/nx-842.h
3154de7 crypto: nx - fix nx-842 pSeries driver minimum buffer size
3e648cb crypto: nx - prevent nx 842 load if no hw driver
9358eac crypto: nx - remove 842-nx null checks
ca7fc7e lib: correct 842 decompress for 32 bit
f7ead7b lib: make lib/842 decompress functions static

------- Comment From <email address hidden> 2015-06-23 16:17 EDT-------
Also, to enable NX-842 and zswap (which is the primary user of NX-842 in our case), please set:

CONFIG_CRYPTO_DEV_NX=y
CONFIG_CRYPTO_DEV_NX_COMPRESS=y
CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV=y
CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES=y
CONFIG_CRYPTO_DEV_NX_COMPRESS_CRYPTO=y
CONFIG_CRYPTO_ALGAPI=y
CONFIG_842_DECOMPRESS=y
CONFIG_ZSWAP=y
CONFIG_ZPOOL=y
CONFIG_ZBUD=y
CONFIG_ZSMALLOC=y