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https://github.com/coolsnowwolf/lede.git
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d81c03f05e
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
26 lines
836 B
Diff
26 lines
836 B
Diff
From ec8115110824a2439d7b8f1e4695710728106806 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Wed, 29 May 2019 15:47:42 +0100
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Subject: [PATCH] arm: bcm2835: DMA can only address 1GB
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The legacy peripherals can only address the first gigabyte of RAM, so
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ensure that DMA allocations are restricted to that region.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/mach-bcm/board_bcm2835.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/arch/arm/mach-bcm/board_bcm2835.c
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+++ b/arch/arm/mach-bcm/board_bcm2835.c
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@@ -114,6 +114,9 @@ static const char * const bcm2835_compat
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};
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DT_MACHINE_START(BCM2835, "BCM2835")
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+#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
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+ .dma_zone_size = SZ_1G,
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+#endif
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.map_io = bcm2835_map_io,
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.init_machine = bcm2835_init,
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.dt_compat = bcm2835_compat,
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