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5ea3ea154f
Refreshed patches, removed upstreamed patch:
generic/hack: 551-loop-Better-discard-support-for-block-devices.patch
Added generic config symbol `ARM64_ERRATUM_1542419` due to Fixes:
f2791551cedb ("arm64: errata: Hide CTR_EL0.DIC on systems affected by
Neoverse-N1 #1542419").
Run tested: qemu-x86-64, apalis, nbg6617
Build tested: x86/64, imx6, ipq40xx, sunxi/a53
Signed-off-by: Petr Štetiar <ynezz@true.cz>
24 lines
727 B
Diff
24 lines
727 B
Diff
From afde0ffa449eef528deb2fe455a512acd0569be4 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Wed, 25 Sep 2019 09:49:58 +0100
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Subject: [PATCH] dma-direct: Temporary DMA fix on arm64
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See: https://github.com/raspberrypi/linux/issues/3251
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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kernel/dma/direct.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/kernel/dma/direct.c
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+++ b/kernel/dma/direct.c
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@@ -398,7 +398,7 @@ int dma_direct_supported(struct device *
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if (IS_ENABLED(CONFIG_ZONE_DMA))
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min_mask = DMA_BIT_MASK(ARCH_ZONE_DMA_BITS);
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else
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- min_mask = DMA_BIT_MASK(32);
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+ min_mask = DMA_BIT_MASK(30);
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min_mask = min_t(u64, min_mask, (max_pfn - 1) << PAGE_SHIFT);
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