Blackfin: bfin_spi: add optional DMA support
authorMike Frysinger <vapier@gentoo.org>
Wed, 5 May 2010 04:56:30 +0000 (00:56 -0400)
committerMike Frysinger <vapier@gentoo.org>
Sat, 2 Oct 2010 20:00:36 +0000 (16:00 -0400)
commit6f070e1867f5c31df17571b0c26f0a73cc3fe600
tree4ec975f31c48b2d4fa729360f02bf0cb0efe966a
parent2c0a6f2d4fc292c8eac43bb4c4b8c0d124d30e2e
Blackfin: bfin_spi: add optional DMA support

This moves the last piece from the old spi_flash driver to the new SPI
framework -- optional DMA RX support.  This typically cuts speeds by ~40%
at the cost of additional ~300 bytes.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
arch/blackfin/include/asm/dma.h [new file with mode: 0644]
drivers/spi/bfin_spi.c