diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2013-09-27 14:41:44 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-01-22 20:43:10 +0100 |
| commit | 885014bcf284cdfbe3428f2cfa3882edde5ff5fa (patch) | |
| tree | cb0eeee346b51eb7af6c8cf8c49a046bb937f296 /arch/mips/Kconfig | |
| parent | 5792bf6438658cb129c3022aa2cf7e9b19b5de3a (diff) | |
MIPS: improve checks for noncoherent DMA
Only one MIPS development board actually supports enabling/disabling DMA
coherency at runtime, so it's not a good idea to push the overhead of
checking that configuration setting onto every other supported target as
well.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5912/
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index a7ec153be0b..57a887334a6 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -301,7 +301,7 @@ config MIPS_MALTA select CEVT_R4K select CSRC_R4K select CSRC_GIC - select DMA_NONCOHERENT + select DMA_MAYBE_COHERENT select GENERIC_ISA_DMA select HAVE_PCSPKR_PLATFORM select IRQ_CPU @@ -893,6 +893,10 @@ config FW_CFE config ARCH_DMA_ADDR_T_64BIT def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT +config DMA_MAYBE_COHERENT + select DMA_NONCOHERENT + bool + config DMA_COHERENT bool |