Konstantin Dorfman 2220eedfd7 mmc: fix async request mechanism for sequential read scenarios ... When current request is running on the bus and if next request fetched by mmcqd is NULL, mmc context (mmcqd thread) gets blocked until the current request completes. This means that if new request comes in while the mmcqd thread is blocked, this new request can not be prepared in parallel to current ongoing request. This may result in delaying the new request execution and increase it's latency. This change allows to wake up the MMC thread on new request arrival. Now once the MMC thread is woken up, a new request can be fetched and prepared in parallel to the current running request which means this new request can be started immediately after the current running request completes. With this change read throughput is improved by 16%. Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org> Reviewed-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>		2013-02-11 13:28:49 -05:00
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block.c
Kconfig
Makefile
mmc_test.c
queue.c
queue.h
sdio_uart.c