From: Kishon Vijay Abraham I <kishon@ti.com>
To: chris@printf.net, ulf.hansson@linaro.org, tony@atomide.com
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
linux-omap@vger.kernel.org, afenkart@gmail.com, kishon@ti.com
Subject: [RFC PATCH 0/3] DRA72: MMC HS200 support
Date: Thu, 13 Nov 2014 18:25:21 +0530 [thread overview]
Message-ID: <1415883324-19591-1-git-send-email-kishon@ti.com> (raw)
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(-)
--
1.7.9.5
next reply other threads:[~2014-11-13 12:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 12:55 Kishon Vijay Abraham I [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-11-13 12:56 [RFC PATCH 0/3] DRA72: MMC HS200 support Kishon Vijay Abraham I
2014-11-13 14:54 Kishon Vijay Abraham I
2014-11-13 14:56 ` Kishon Vijay Abraham I
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