linux-kernel - [PATCH v2 11/12] powerpc: wiiu: don't enforce flat memory

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Message-Id: <20220622131037.57604-12-ash@heyquark.com>
Date:   Wed, 22 Jun 2022 23:10:36 +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 11/12] powerpc: wiiu: don't enforce flat memory

pgtable_32.c:mapin_ram loops over each valid memory range, which means
non-contiguous memory just works.

Signed-off-by: Ash Logan <ash@...quark.com>
---
 arch/powerpc/mm/init_32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 3d690be48e84..59a84629d9a0 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -125,10 +125,10 @@ void __init MMU_init(void)
 	 * lowmem_end_addr is initialized below.
 	 */
 	if (memblock.memory.cnt > 1) {
-#ifndef CONFIG_WII
+#if !defined(CONFIG_WII) && !defined(CONFIG_WIIU)
 		memblock_enforce_memory_limit(memblock.memory.regions[0].size);
 		pr_warn("Only using first contiguous memory region\n");
-#else
+#elif defined(CONFIG_WII)
 		wii_memory_fixups();
 #endif
 	}
-- 
2.36.1