From ccf288612f9c66d592df241ba3c05ead92a45972 Mon Sep 17 00:00:00 2001
From: gaurav rana <gaurav.rana@freescale.com>
Date: Fri, 27 Feb 2015 09:10:06 +0530
Subject: [PATCH] rsa : Compile Modular Exponentiation files based on
 CONFIG_RSA_SOFTWARE_EXP

Remove dependency of rsa_mod_exp from CONFIG_FIT_SIGNATURE.
As rsa modular exponentiation is an independent module
and can be invoked independently.

Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com>
Acked-by: Simon Glass <sjg@chromium.org>
Reviewed-by: York Sun <yorksun@freescale.com>
---
 drivers/crypto/rsa_mod_exp/Makefile | 3 ++-
 lib/rsa/Makefile                    | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/rsa_mod_exp/Makefile b/drivers/crypto/rsa_mod_exp/Makefile
index 915b751dbe1..ae3dcf3d7ae 100644
--- a/drivers/crypto/rsa_mod_exp/Makefile
+++ b/drivers/crypto/rsa_mod_exp/Makefile
@@ -4,4 +4,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_RSA) += mod_exp_uclass.o mod_exp_sw.o
+obj-$(CONFIG_RSA) += mod_exp_uclass.o
+obj-$(CONFIG_RSA_SOFTWARE_EXP) += mod_exp_sw.o
diff --git a/lib/rsa/Makefile b/lib/rsa/Makefile
index cc25b3ce6d9..6867e5054c0 100644
--- a/lib/rsa/Makefile
+++ b/lib/rsa/Makefile
@@ -7,4 +7,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_FIT_SIGNATURE) += rsa-verify.o rsa-checksum.o rsa-mod-exp.o
+obj-$(CONFIG_FIT_SIGNATURE) += rsa-verify.o rsa-checksum.o
+obj-$(CONFIG_RSA_SOFTWARE_EXP) += rsa-mod-exp.o
-- 
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