[RFC PATCH 0/3] dra7/omap4/omap5: Enable ADMA2
Kishon Vijay Abraham I
kishon at ti.com
Wed May 18 01:45:12 PDT 2016
Add ADMA2 support in omap hsmmc driver. It's not added as
a dma engine since ADMA2 is only implemented in HSMMC.
Though this doesn't improve the throughput with high speed
cards, around 25% improvement is seen with HS200 card.
HS200 support is not yet added in OMAP HSMMC since
it has dependency with IODelay driver which is not yet
Tested MMC1 and MMC2 in DRA7 (dra72-evm, dra7-evm) and OMAP5
Also tested having rootfs in MMC1 in DRA7, OMAP5, OMAP4 and OMAP3.
Kishon Vijay Abraham I (3):
mmc: host: omap_hsmmc: remove *use_dma* member
mmc: host: omap_hsmmc: Enable ADMA2
ARM: dts: dra7/omap4/omap5: Enable ADMA2
.../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 1 +
arch/arm/boot/dts/dra7.dtsi | 4 +
arch/arm/boot/dts/omap4.dtsi | 2 +
arch/arm/boot/dts/omap5.dtsi | 4 +
drivers/mmc/host/omap_hsmmc.c | 332 +++++++++++++++-----
include/linux/platform_data/hsmmc-omap.h | 1 +
6 files changed, 269 insertions(+), 75 deletions(-)
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