linux-kernel - [PATCH v2 05/12] powerpc: wiiu: declare as non-coherent

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Message-Id: <20220622131037.57604-6-ash@heyquark.com>
Date:   Wed, 22 Jun 2022 23:10:30 +1000
From:   Ash Logan <ash@...quark.com>
To:     paulus@...ba.org, mpe@...erman.id.au, christophe.leroy@...roup.eu,
        robh+dt@...nel.org, benh@...nel.crashing.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        j.ne@...teo.net, linkmauve@...kmauve.fr,
        rw-r-r-0644@...tonmail.com, devicetree@...r.kernel.org
Subject: [PATCH v2 05/12] powerpc: wiiu: declare as non-coherent

The Nintendo Wii U requires explicit cache handling when interfacing
with DMA devices.

Signed-off-by: Ash Logan <ash@...quark.com>
---
 arch/powerpc/platforms/Kconfig.cputype | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index e2e1fec91c6e..fd1e82603278 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -504,7 +504,7 @@ config NR_CPUS
 config NOT_COHERENT_CACHE
 	bool
 	depends on 4xx || PPC_8xx || PPC_MPC512x || \
-		GAMECUBE_COMMON || AMIGAONE
+		GAMECUBE_COMMON || AMIGAONE || WIIU
 	select ARCH_HAS_DMA_PREP_COHERENT
 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
 	select ARCH_HAS_SYNC_DMA_FOR_CPU
-- 
2.36.1