h8300: use dma-direct

Replace the bare-bones h8300 direct dma mapping implementation with the fully featured generic dma-direct one. Signed-off-by: Christoph Hellwig <hch@lst.de>
mariux64 · Jan 15, 2018 · 23475ad · 23475ad
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commit 23475ad
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Showing 5 changed files with 3 additions and 79 deletions.
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
@@ -23,6 +23,7 @@ config H8300
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_HASH
 	select CPU_NO_EFFICIENT_FFS
+	select DMA_DIRECT_OPS
 
 config CPU_BIG_ENDIAN
 	def_bool y

diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
@@ -9,6 +9,7 @@ generic-y += delay.h
 generic-y += device.h
 generic-y += div64.h
 generic-y += dma.h
+generic-y += dma-mapping.h
 generic-y += emergency-restart.h
 generic-y += exec.h
 generic-y += extable.h

diff --git a/arch/h8300/include/asm/dma-mapping.h b/arch/h8300/include/asm/dma-mapping.h
diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y := vmlinux.lds
 
 obj-y := process.o traps.o ptrace.o \
 	 signal.o setup.o syscalls.o \
-	 irq.o entry.o dma.o
+	 irq.o entry.o
 
 obj-$(CONFIG_ROMKERNEL) += head_rom.o
 obj-$(CONFIG_RAMKERNEL) += head_ram.o

diff --git a/arch/h8300/kernel/dma.c b/arch/h8300/kernel/dma.c