spi: ti_qspi: Use DMA to read from qspi flash
authorVignesh R <vigneshr@ti.com>
Mon, 17 Aug 2015 09:50:13 +0000 (15:20 +0530)
committerJagan Teki <jteki@openedev.com>
Mon, 17 Aug 2015 17:59:15 +0000 (23:29 +0530)
commit8ddd9c485f17de4bea55707f5b9cf07fd0a89ed0
tree73e2e59fa074d442d79c9a74bd9d937e0b886edf
parent664ab2c992d1e06c4381f66c93d2e155fc7722e1
spi: ti_qspi: Use DMA to read from qspi flash

ti_qspi uses memory map mode for faster read. Enabling DMA will increase
read speed by 3x @48MHz on DRA74 EVM.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
drivers/spi/ti_qspi.c