From: Paul Martin <paul.martin@codethink.co.uk>
Date: Mon, 30 Mar 2015 16:01:00 +0000 (+0100)
Subject: MIPS: Octeon: Make octeon-md5 driver endian-agnostic
X-Git-Tag: firefly_0821_release~176^2~1944^2~81
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d2a948d2db68bda8780df636cf6390748953793f;p=firefly-linux-kernel-4.4.55.git

MIPS: Octeon: Make octeon-md5 driver endian-agnostic

The octeon crypto co-processor expects values to be big endian.
Wrap the data transfers with cpu_to_be64() and be64_to_cpu()
transformations.

This passes for all the MD5 test vectors in crypto/testmgr.h

Signed-off-by: Paul Martin <paul.martin@codethink.co.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9631/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/cavium-octeon/crypto/octeon-crypto.h b/arch/mips/cavium-octeon/crypto/octeon-crypto.h
index 355072535110..df6912ec1f57 100644
--- a/arch/mips/cavium-octeon/crypto/octeon-crypto.h
+++ b/arch/mips/cavium-octeon/crypto/octeon-crypto.h
@@ -33,7 +33,7 @@ do {							\
 	__asm__ __volatile__ (				\
 	"dmtc2 %[rt],0x0048+" STR(index)		\
 	:						\
-	: [rt] "d" (value));				\
+	: [rt] "d" (cpu_to_be64(value)));		\
 } while (0)
 
 /*
@@ -48,7 +48,7 @@ do {							\
 	: [rt] "=d" (__value)				\
 	: );						\
 							\
-	__value;					\
+	be64_to_cpu(__value);				\
 })
 
 /*
@@ -59,7 +59,7 @@ do {							\
 	__asm__ __volatile__ (				\
 	"dmtc2 %[rt],0x0040+" STR(index)		\
 	:						\
-	: [rt] "d" (value));				\
+	: [rt] "d" (cpu_to_be64(value)));		\
 } while (0)
 
 /*
@@ -70,7 +70,7 @@ do {							\
 	__asm__ __volatile__ (				\
 	"dmtc2 %[rt],0x4047"				\
 	:						\
-	: [rt] "d" (value));				\
+	: [rt] "d" (cpu_to_be64(value)));		\
 } while (0)
 
 /*