MIPS: use dma_direct_ops for coherent I/O
Switch the simple cache coherent architectures that don't require any
DMA address translation to dma_direct_ops.
We'll soon use at least parts of the direct DMA ops implementation for
all platforms, so select the symbol globally.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Patchwork: https://patchwork.linux-mips.org/patch/19540/
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: iommu@lists.linux-foundation.org
Cc: linux-mips@linux-mips.org
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6248bef..c1307b8 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -16,6 +16,7 @@
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select CPU_PM if CPU_IDLE
+ select DMA_DIRECT_OPS
select GENERIC_ATOMIC64 if !64BIT
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE
@@ -569,7 +570,6 @@
bool "NEC EMMA2RH Mark-eins board"
select SOC_EMMA2RH
select HW_HAS_PCI
- select MIPS_DMA_DEFAULT
help
This enables support for the NEC Electronics Mark-eins boards.
@@ -583,14 +583,12 @@
config NXP_STB220
bool "NXP STB220 board"
- select MIPS_DMA_DEFAULT
select SOC_PNX833X
help
Support for NXP Semiconductors STB220 Development Board.
config NXP_STB225
bool "NXP 225 board"
- select MIPS_DMA_DEFAULT
select SOC_PNX833X
select SOC_PNX8335
help
@@ -768,7 +766,6 @@
config SIBYTE_CRHINE
bool "Sibyte BCM91120C-CRhine"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select SIBYTE_BCM1120
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -778,7 +775,6 @@
config SIBYTE_CARMEL
bool "Sibyte BCM91120x-Carmel"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select SIBYTE_BCM1120
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -788,7 +784,6 @@
config SIBYTE_CRHONE
bool "Sibyte BCM91125C-CRhone"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select SIBYTE_BCM1125
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -799,7 +794,6 @@
config SIBYTE_RHONE
bool "Sibyte BCM91125E-Rhone"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select SIBYTE_BCM1125H
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -810,7 +804,6 @@
bool "Sibyte BCM91250A-SWARM"
select BOOT_ELF32
select HAVE_PATA_PLATFORM
- select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -823,7 +816,6 @@
bool "Sibyte BCM91250C2-LittleSur"
select BOOT_ELF32
select HAVE_PATA_PLATFORM
- select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -834,7 +826,6 @@
config SIBYTE_SENTOSA
bool "Sibyte BCM91250E-Sentosa"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select SIBYTE_SB1250
select SWAP_IO_SPACE
select SYS_HAS_CPU_SB1
@@ -844,7 +835,6 @@
config SIBYTE_BIGSUR
bool "Sibyte BCM91480B-BigSur"
select BOOT_ELF32
- select MIPS_DMA_DEFAULT
select NR_CPUS_DEFAULT_4
select SIBYTE_BCM1x80
select SWAP_IO_SPACE
@@ -965,7 +955,6 @@
select SYS_HAS_CPU_XLR
select SYS_SUPPORTS_SMP
select HW_HAS_PCI
- select MIPS_DMA_DEFAULT
select SWAP_IO_SPACE
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
@@ -992,7 +981,6 @@
select SYS_HAS_CPU_XLP
select SYS_SUPPORTS_SMP
select HW_HAS_PCI
- select MIPS_DMA_DEFAULT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select PHYS_ADDR_T_64BIT
@@ -1018,7 +1006,6 @@
bool "Para-Virtualized guest system"
select CEVT_R4K
select CSRC_R4K
- select MIPS_DMA_DEFAULT
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN