powerpc/crypto: add compression support to arch vec

This patch enables compression engine support in the
architecture vector.  This causes the Power hypervisor
to allow access to the nx comrpession accelerator.

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 0794a3017b1b53e65e4d1aa325b79711a9fb04b1..9ec5e5525777a7ce1769092e54b983d366fa6b5c 100644 (file)
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -705,6 +705,7 @@ static void __init early_cmdline_parse(void)
 #endif
 #define OV5_TYPE1_AFFINITY     0x80    /* Type 1 NUMA affinity */
 #define OV5_PFO_HW_RNG         0x80    /* PFO Random Number Generator */
+#define OV5_PFO_HW_842         0x40    /* PFO Compression Accelerator */
 #define OV5_PFO_HW_ENCR                0x20    /* PFO Encryption Accelerator */
 
 /* Option Vector 6: IBM PAPR hints */
@@ -774,8 +775,7 @@ static unsigned char ibm_architecture_vec[] = {
        0,
        0,
        0,
-       OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR,
-
+       OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842,
        /* option vector 6: IBM PAPR hints */
        4 - 2,                          /* length */
        0,