From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christophe Leroy Subject: [PATCH 14/17] crypto: talitos - Add a helper function to clear j_extent field Date: Thu, 5 Mar 2015 17:46:07 +0100 (CET) Message-ID: <20150305164607.33E4A1A2428@localhost.localdomain> Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org To: Kim Phillips , Herbert Xu , "David S. Miller" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org j_extent field is specific to SEC2 so we add a helper function to clear it so that SEC1 can redefine that function as nop Signed-off-by: Christophe Leroy --- drivers/crypto/talitos.c | 2 +- drivers/crypto/talitos2.h | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index fc30196..37d7746 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -628,7 +628,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc, /* cipher iv */ to_talitos_ptr(&desc->ptr[1], edesc->iv_dma); desc->ptr[1].len = cpu_to_be16(ivsize); - desc->ptr[1].j_extent = 0; + to_talitos_ptr_extent_clear(&desc->ptr[1]); /* cipher key */ map_single_talitos_ptr(dev, &desc->ptr[2], ctx->keylen, diff --git a/drivers/crypto/talitos2.h b/drivers/crypto/talitos2.h index 7177088..6f98b12 100644 --- a/drivers/crypto/talitos2.h +++ b/drivers/crypto/talitos2.h @@ -90,6 +90,11 @@ static inline void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr) ptr->eptr = upper_32_bits(dma_addr); } +static inline void to_talitos_ptr_extent_clear(struct talitos_ptr *ptr) +{ + ptr->j_extent = 0; +} + /* * map virtual single (contiguous) pointer to h/w descriptor pointer */ -- 2.1.0