linux-kernel - [PATCH v2 05/15] powerpc/wii: remove wii_mmu_mapin

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Date:   Thu, 10 Jan 2019 15:11:48 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, j.neuschaefer@....net
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 05/15] powerpc/wii: remove wii_mmu_mapin_mem2()

wii_mmu_mapin_mem2() is not used anymore, remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/platforms/embedded6xx/wii.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index ecf703ee3a76..235fe81aa2b1 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -54,10 +54,6 @@
 static void __iomem *hw_ctrl;
 static void __iomem *hw_gpio;
 
-unsigned long wii_hole_start;
-unsigned long wii_hole_size;
-
-
 static int __init page_aligned(unsigned long x)
 {
 	return !(x & (PAGE_SIZE-1));
@@ -69,26 +65,6 @@ void __init wii_memory_fixups(void)
 
 	BUG_ON(memblock.memory.cnt != 2);
 	BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
-
-	/* determine hole */
-	wii_hole_start = ALIGN(p[0].base + p[0].size, PAGE_SIZE);
-	wii_hole_size = p[1].base - wii_hole_start;
-}
-
-unsigned long __init wii_mmu_mapin_mem2(unsigned long top)
-{
-	unsigned long delta, size, bl;
-	unsigned long max_size = (256<<20);
-
-	/* MEM2 64MB@...0000000 */
-	delta = wii_hole_start + wii_hole_size;
-	size = top - delta;
-	for (bl = 128<<10; bl < max_size; bl <<= 1) {
-		if (bl * 2 > size)
-			break;
-	}
-	setbat(4, PAGE_OFFSET+delta, delta, bl, PAGE_KERNEL_X);
-	return delta + bl;
 }
 
 static void __noreturn wii_spin(void)
-- 
2.13.3