mmc: omap_hsmmc: Add support for DMA (ADMA2)
authorKishon Vijay Abraham I <kishon@ti.com>
Thu, 21 Sep 2017 14:51:34 +0000 (16:51 +0200)
committerTom Rini <trini@konsulko.com>
Fri, 19 Jan 2018 20:49:17 +0000 (15:49 -0500)
commitf0d53e88a61f3269f0dcaa781521644c33ea2854
tree573db2a259d2d5eccd2ba8972866a8258c6ceb06
parentf844d5f4e6bd97c3a4a39e180b5efa8b0b0abd56
mmc: omap_hsmmc: Add support for DMA (ADMA2)

The omap hsmmc host controller can have the ADMA2 feature. It brings better
read and write throughput.
On most SOC, the capability is read from the hl_hwinfo register. On OMAP3,
DMA support is compiled out.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
arch/arm/include/asm/omap_mmc.h
drivers/mmc/omap_hsmmc.c