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Odroid: Fix ring buffer errors by applying (#355)

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TonyApuzzo 2019-02-15 07:56:14 -07:00 committed by Pascal Vizeli
parent 188fbc340e
commit d1cf8e0016
1 changed files with 42 additions and 0 deletions
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42
buildroot-external/board/hardkernel/odroid-xu4/patches/linux/000-arm-exynos_change_the_default_dma_coherent_pool_size.patch Normal file
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@ -0,0 +1,42 @@
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bf02dbd9ccda3..8029e21eee149 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -5,7 +5,9 @@
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
+#include <linux/device.h>
#include <linux/dma-debug.h>
+#include <linux/dma-direction.h>
#include <asm/memory.h>
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index fd6da5419b510..5b3abc935e7fc 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -13,12 +13,14 @@
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/sizes.h>
#include <asm/cacheflush.h>
#include <asm/cputype.h>
#include <asm/firmware.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/suspend.h>
+#include <asm/dma-mapping.h>
#include "common.h"
#include "smc.h"
@@ -225,6 +227,8 @@ void __init exynos_firmware_init(void)
outer_cache.write_sec = exynos_l2_write_sec;
outer_cache.configure = exynos_l2_configure;
}
+
+ init_dma_coherent_pool_size(SZ_1M);
}
#define REG_CPU_STATE_ADDR (sysram_ns_base_addr + 0x28)