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| author | Rob Herring <rob.herring@calxeda.com> | 2013-08-02 00:50:55 +0400 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-08-18 04:43:56 +0400 |
| commit | a6a398341d5d073a717858b4488a7abe5f242cf2 (patch) | |
| tree | 726d05f0b8373c6fbde3fd13ac06b1df5500e214 /arch/arm/mach-highbank/Kconfig | |
| parent | 364230b9952143eb2062dc071e919fb751540ae8 (diff) | |
| download | linux-a6a398341d5d073a717858b4488a7abe5f242cf2.tar.xz | |
ARM: highbank: enable DMA zone for LPAE
Some devices are restricted to 32-bit DMA. Thus the platform dma_zone_size
needs to be set. Otherwise dma-mapping code is complaining, e.g.
calxedaxgmac fff50000.ethernet: coherent DMA mask 0xffffffff is smaller
than system GFP_DMA mask 0xffffffffffffffff
Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'arch/arm/mach-highbank/Kconfig')
| -rw-r--r-- | arch/arm/mach-highbank/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index cd9fcb1cd7ab..efe49610ec4c 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -18,3 +18,4 @@ config ARCH_HIGHBANK select PL320_MBOX select SPARSE_IRQ select USE_OF + select ZONE_DMA if ARM_LPAE |