Without this commit, the use of dma_alloc_coherent() while
using CONFIG_DMA_RESTRICTED_POOL=y breaks devices from working.
For example, the common Wifi 7260 chip (iwlwifi) works fine
on arm64 with restricted memory but not on arm, unless this
commit is applied.

Signed-off-by: Jim Quinlan <redacted>
---
 arch/arm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9557808e8937..b6f1cea923cf 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig

@@ -34,6 +34,7 @@ config ARM
 	select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_HUGETLBFS if ARM_LPAE
+	select DMA_DIRECT_REMAP
 	select ARCH_USE_BUILTIN_BSWAP
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select ARCH_USE_MEMTEST

-- 
2.17.1