Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / arch / arm / mach-shmobile / setup-rcar-gen2.c

diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 51464cc6d65baaf7241551e65364a788cdb2dfed..5d13595aa027447dc9b933f4a5132c6d9f75407c 100644 (file)
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -21,6 +21,7 @@
 #include <linux/dma-contiguous.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/memblock.h>
 #include <linux/of.h>
 #include <linux/of_fdt.h>
 #include <asm/mach/arch.h>
@@ -195,7 +196,7 @@ void __init rcar_gen2_reserve(void)
 
        of_scan_flat_dt(rcar_gen2_scan_mem, &mrc);
 #ifdef CONFIG_DMA_CMA
-       if (mrc.size)
+       if (mrc.size && memblock_is_region_memory(mrc.base, mrc.size))
                dma_contiguous_reserve_area(mrc.size, mrc.base, 0,
                                            &rcar_gen2_dma_contiguous, true);
 #endif