diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0314-dma-direct-Temporary-DMA-fix-on-arm64.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0314-dma-direct-Temporary-DMA-fix-on-arm64.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0314-dma-direct-Temporary-DMA-fix-on-arm64.patch b/target/linux/bcm27xx/patches-5.4/950-0314-dma-direct-Temporary-DMA-fix-on-arm64.patch new file mode 100644 index 0000000000..327a77c424 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0314-dma-direct-Temporary-DMA-fix-on-arm64.patch @@ -0,0 +1,23 @@ +From afde0ffa449eef528deb2fe455a512acd0569be4 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 25 Sep 2019 09:49:58 +0100 +Subject: [PATCH] dma-direct: Temporary DMA fix on arm64 + +See: https://github.com/raspberrypi/linux/issues/3251 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + kernel/dma/direct.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/kernel/dma/direct.c ++++ b/kernel/dma/direct.c +@@ -398,7 +398,7 @@ int dma_direct_supported(struct device * + if (IS_ENABLED(CONFIG_ZONE_DMA)) + min_mask = DMA_BIT_MASK(ARCH_ZONE_DMA_BITS); + else +- min_mask = DMA_BIT_MASK(32); ++ min_mask = DMA_BIT_MASK(30); + + min_mask = min_t(u64, min_mask, (max_pfn - 1) << PAGE_SHIFT); + |