From: Andrei Varvara <andrei.varvara@freescale.com>
Date: Tue, 28 May 2013 07:37:06 +0000 (+0800)
Subject: crypto: caam - Add MATH command to support shld function
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d179333b0c6298291c384a0b0ba51ee67d983758;p=linux-beck.git

crypto: caam - Add MATH command to support shld function

Perform 32-bit left shift of DEST and concatenate with
left 32 bits of SRC1. {DEST[31:0],SRC1[63:32]}

Signed-off-by: Andrei Varvara <andrei.varvara@freescale.com>
Acked-by: Mihai Serb <mihai.serb@freescale.com>
Reviewed-by: Phillips Kim-R1AAHA <Kim.Phillips@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h
index fc4470a2c337..08c95a192234 100644
--- a/drivers/crypto/caam/desc_constr.h
+++ b/drivers/crypto/caam/desc_constr.h
@@ -299,6 +299,8 @@ append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \
 	APPEND_MATH(LSHIFT, desc, dest, src0, src1, len)
 #define append_math_rshift(desc, dest, src0, src1, len) \
 	APPEND_MATH(RSHIFT, desc, dest, src0, src1, len)
+#define append_math_ldshift(desc, dest, src0, src1, len) \
+	APPEND_MATH(SHLD, desc, dest, src0, src1, len)
 
 /* Exactly one source is IMM. Data is passed in as u32 value */
 #define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \