Seungwon Jeon ce39f9d17c mmc: support packed write command for eMMC4.5 devices ... This patch supports packed write command of eMMC4.5 devices. Several writes can be grouped in packed command and all data of the individual commands can be sent in a single transfer on the bus. Large amounts of data in one transfer rather than several data of small size are effective for eMMC write internally. As a result, packed command help write throughput be improved. The following tables show the results of packed write. Type A: test none | packed iozone 25.8 | 31 tiotest 27.6 | 31.2 lmdd 31.2 | 35.4 Type B: test none | packed iozone 44.1 | 51.1 tiotest 47.9 | 52.5 lmdd 51.6 | 59.2 Type C: test none | packed iozone 19.5 | 32 tiotest 19.9 | 34.5 lmdd 22.8 | 40.7 Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Maya Erez <merez@codeaurora.org> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>		2013-02-24 14:37:16 -05:00
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block.c	mmc: support packed write command for eMMC4.5 devices	2013-02-24 14:37:16 -05:00
Kconfig
Makefile
mmc_test.c
queue.c	mmc: support packed write command for eMMC4.5 devices	2013-02-24 14:37:16 -05:00
queue.h	mmc: support packed write command for eMMC4.5 devices	2013-02-24 14:37:16 -05:00
sdio_uart.c