commit | 5ec9c4ff0430e33b602cc0ff8ab9dec8ef548d28 | [log] [tgz] |
---|---|---|
author | Christoph Hellwig <hch@lst.de> | Tue Jan 16 09:37:50 2018 +0100 |
committer | Palmer Dabbelt <palmer@dabbelt.com> | Tue Jan 30 19:14:27 2018 -0800 |
tree | 3fb2ff5397466ecc5516d7e8d56e71e17e15ca41 | |
parent | f1b65f20fb05d1dd94656904848b96cc6df52bc0 [diff] |
riscv: add ZONE_DMA32 This patch allows devices that require memory that can be addressed using 32-bit addresses to work easily on RISC-V systems. The newly improved dma-direct ops will tap into this pool automatically for 32-bit addressing. Based on an earlier patch from Wesley W. Terpstra. CC: Wesley W. Terpstra <terpstra@sifive.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>