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-rw-r--r--arch/arm/mach-mvebu/coherency.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index caa21e9b8cd9..ccef8806bb58 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -190,6 +190,13 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
190 arch_ioremap_caller = armada_pcie_wa_ioremap_caller; 190 arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
191 191
192 /* 192 /*
193 * We should switch the PL310 to I/O coherency mode only if
194 * I/O coherency is actually enabled.
195 */
196 if (!coherency_available())
197 return;
198
199 /*
193 * Add the PL310 property "arm,io-coherent". This makes sure the 200 * Add the PL310 property "arm,io-coherent". This makes sure the
194 * outer sync operation is not used, which allows to 201 * outer sync operation is not used, which allows to
195 * workaround the system erratum that causes deadlocks when 202 * workaround the system erratum that causes deadlocks when