RFC DRA72: MMC HS200 support
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- v1 RFC Latest3 patches 1 replyIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | mmc: omap_hsmmc: set host capabilities by reading MMCHS_CAPA2 registerdrivers/ | +19 | 0 replies | |
| 2/3 | mmc: omap_hsmmc: add tuning supportdrivers/ | +322 | 0 replies | |
| 3/3 | ARM: dts: dra72-evm: Set the max-frequency to 192MHzarch/ | +1 | 0 replies |
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Cover letter [RFC PATCH 0/3] DRA72: MMC HS200 support
Added HS200 to improve EMMC throughput for dra72.
With HS200
==============
Read throughput
./dd if=/dev/mmcblk0 of=/dev/null bs=1M count=100 oflag=sync 100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 1.46028 s, 71.8 MB/s
Write throughput
root@dra7xx-evm:/# ./dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=100 oflag=sync 100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 9.34884 s, 11.2 MB/s
WithOUT HS200
==============
Read throughput
./dd if=/dev/mmcblk0 of=/dev/null bs=1M count=100 oflag=sync 100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 2.6423 s, 39.7 MB/s
Write throughput
./dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=100 oflag=sync 100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 9.3556 s, 11.2 MB/s
Balaji T K (1):
mmc: omap_hsmmc: add tuning support
Kishon Vijay Abraham I (1):
ARM: dts: dra72-evm: Set the max-frequency to 192MHz
Viswanath Puttagunta (1):
mmc: omap_hsmmc: set host capabilities by reading MMCHS_CAPA2
register
arch/arm/boot/dts/dra72-evm.dts | 1 + drivers/mmc/host/omap_hsmmc.c | 342 ++++++++++++++++++++++++++++++++++++++- 2 files changed, 341 insertions(+), 2 deletions(-)
Signature · 1 line
1.7.9.5