linux-kernel - [PATCH v3 04/23] powerpc/8xx: move setup_initial_memory_limit() into 8xx

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Message-Id: <76ff19aec8e3024f9dde57133acb64511aa115fe.1446893430.git.christophe.leroy@c-s.fr>
Date:	Tue, 17 Nov 2015 14:32:07 +0100 (CET)
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>, scottwood@...escale.com
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v3 04/23] powerpc/8xx: move setup_initial_memory_limit() into 8xx_mmu.c

Now we have a 8xx specific .c file for that so put it in there
as other powerpc variants do

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
v2: no change
v3: no change

 arch/powerpc/mm/8xx_mmu.c | 17 +++++++++++++++++
 arch/powerpc/mm/init_32.c | 19 -------------------
 2 files changed, 17 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/mm/8xx_mmu.c b/arch/powerpc/mm/8xx_mmu.c
index be6f041..0ddcb37 100644
--- a/arch/powerpc/mm/8xx_mmu.c
+++ b/arch/powerpc/mm/8xx_mmu.c
@@ -81,3 +81,20 @@ unsigned long __init mmu_mapin_ram(unsigned long top)
 
 	return mapped;
 }
+
+void setup_initial_memory_limit(phys_addr_t first_memblock_base,
+				phys_addr_t first_memblock_size)
+{
+	/* We don't currently support the first MEMBLOCK not mapping 0
+	 * physical on those processors
+	 */
+	BUG_ON(first_memblock_base != 0);
+
+#ifdef CONFIG_PIN_TLB
+	/* 8xx can only access 24MB at the moment */
+	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x01800000));
+#else
+	/* 8xx can only access 8MB at the moment */
+	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));
+#endif
+}
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index a10be66..1a18e4b 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -193,22 +193,3 @@ void __init MMU_init(void)
 	/* Shortly after that, the entire linear mapping will be available */
 	memblock_set_current_limit(lowmem_end_addr);
 }
-
-#ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */
-void setup_initial_memory_limit(phys_addr_t first_memblock_base,
-				phys_addr_t first_memblock_size)
-{
-	/* We don't currently support the first MEMBLOCK not mapping 0
-	 * physical on those processors
-	 */
-	BUG_ON(first_memblock_base != 0);
-
-#ifdef CONFIG_PIN_TLB
-	/* 8xx can only access 24MB at the moment */
-	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x01800000));
-#else
-	/* 8xx can only access 8MB at the moment */
-	memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));
-#endif
-}
-#endif /* CONFIG_8xx */
-- 
2.1.0

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