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| author | Christoph Hellwig <hch@lst.de> | 2018-04-27 08:41:09 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-19 08:46:22 +0200 |
| commit | f1306f0423ec02a1da31bab34006323fcadf2e06 (patch) | |
| tree | 6edcc2311f1b7ef8912fdd3fc60d9a7be02ff84d /arch/riscv/include/asm/dma-mapping.h | |
| parent | riscv: simplify Kconfig magic for 32-bit vs 64-bit kernels (diff) | |
| download | linux-f1306f0423ec02a1da31bab34006323fcadf2e06.tar.xz linux-f1306f0423ec02a1da31bab34006323fcadf2e06.zip | |
riscv: only enable ZONE_DMA32 for 64-bit
Until we actually support > 32bit physical addresses for 32-bit using
highmem there is no point in enabling ZONE_DMA32. And even if such
support is ever added it probably should be conditional to not burden
low end embedded devices.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv/include/asm/dma-mapping.h')
0 files changed, 0 insertions, 0 deletions