diff options
-rw-r--r-- | arch/arm/mach-mvebu/coherency.c | 7 |
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 |