MIPS: Pistachio: Remove plat_setup_iocoherency

The Pistachio SoC does not have an IOCU.  Hence, DMA is non-coherent.

Remove the function checking for iocoherency and select
CONFIG_DMA_NONCOHERENT in Kconfig

This code is probably accidentally inherited from Malta.

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Reviewed-by: James Hartley <james.hartley@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13433/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4ba1447d7381..286893da4855 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -384,7 +384,7 @@ config MACH_PISTACHIO
         select CLKSRC_MIPS_GIC
         select COMMON_CLK
         select CSRC_R4K
-        select DMA_MAYBE_COHERENT
+        select DMA_NONCOHERENT
         select GPIOLIB
         select IRQ_MIPS_CPU
         select LIBFDT