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>
git-mirror · Jan 30, 2009 · 634286f · 634286f
1 parent 732f046
commit 634286f
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Showing 4 changed files with 4 additions and 7 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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