MIPS: IP27: Switch from DMA_IP27 to DMA_COHERENT

The special IP27 DMA code selected by DMA_IP27 has been removed a while
ago turning DMA_IP27 into almost a nop.  Also fixup the broken logic of
its last users memcpy.S and memcpy-inatomic.s.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 4 insertions, 7 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 52c80c2a57f2..71e8ebd8ed0b 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -351,7 +351,7 @@ config SGI_IP27
         select ARC64
         select BOOT_ELF64
         select DEFAULT_SGI_PARTITION
-        select DMA_IP27
+        select DMA_COHERENT
         select SYS_HAS_EARLY_PRINTK
         select HW_HAS_PCI
         select NR_CPUS_DEFAULT_64
@@ -761,9 +761,6 @@ config CFE
 config DMA_COHERENT
         bool
 
-config DMA_IP27
-        bool
-
 config DMA_NONCOHERENT
         bool
         select DMA_NEED_PCI_MAP_STATE
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 34ea319be94c..f2baea3039bb 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -53,7 +53,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_ARC=y
-CONFIG_DMA_IP27=y
+CONFIG_DMA_COHERENT=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y
 # CONFIG_NO_IOPORT is not set
diff --git a/arch/mips/lib/memcpy-inatomic.S b/arch/mips/lib/memcpy-inatomic.S
index 736d0fb56a94..68853a038d3f 100644
--- a/arch/mips/lib/memcpy-inatomic.S
+++ b/arch/mips/lib/memcpy-inatomic.S
@@ -21,7 +21,7 @@
  * end of memory on some systems.  It's also a seriously bad idea on non
  * dma-coherent systems.
  */
-#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
+#ifdef CONFIG_DMA_NONCOHERENT
 #undef CONFIG_CPU_HAS_PREFETCH
 #endif
 #ifdef CONFIG_MIPS_MALTA
diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S
index c06cccf60bec..56a1f85a1ce8 100644
--- a/arch/mips/lib/memcpy.S
+++ b/arch/mips/lib/memcpy.S
@@ -21,7 +21,7 @@
  * end of memory on some systems.  It's also a seriously bad idea on non
  * dma-coherent systems.
  */
-#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
+#ifdef CONFIG_DMA_NONCOHERENT
 #undef CONFIG_CPU_HAS_PREFETCH
 #endif
 #ifdef CONFIG_MIPS_MALTA