[PATCH v2 5/5] ARM: mvebu: conditionalize Armada 375 coherency workaround

[Thomas Petazzoni]

The Armada 375 coherency workaround only needs to be applied to the Z1
revision of the SoC. The A0 and later revisions have been fixed, and
no longer need this workaround.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 arch/arm/mach-mvebu/coherency.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 489edd1..1519532 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -33,6 +33,7 @@
 #include <asm/cacheflush.h>
 #include "armada-370-xp.h"
 #include "coherency.h"
+#include "mvebu-soc-id.h"
 
 unsigned long coherency_phys_base;
 static void __iomem *coherency_base;
@@ -365,8 +366,13 @@ static int __init coherency_late_init(void)
 	if (type == COHERENCY_FABRIC_TYPE_NONE)
 		return 0;
 
-	if (type == COHERENCY_FABRIC_TYPE_ARMADA_375)
-		armada_375_coherency_init_wa();
+	if (type == COHERENCY_FABRIC_TYPE_ARMADA_375) {
+		u32 dev, rev;
+
+		if (mvebu_get_soc_id(&dev, &rev) == 0 &&
+		    rev == ARMADA_375_Z1_REV)
+			armada_375_coherency_init_wa();
+	}
 
 	bus_register_notifier(&platform_bus_type,
 			      &mvebu_hwcc_platform_nb);
-- 
1.9.2