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authorSonic Zhang <sonic.zhang@analog.com>2009-06-11 13:51:33 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 08:51:05 -0700
commit2860b7911137eabb01c159abefb506e538ff3cb7 (patch)
tree2bd65c78638a87dd7eb40bc477dc22a4fd9abab0 /kernel/rcutree.h
parent84507794a9d5d4decd6bc9c111480076dba0d301 (diff)
Blackfin Serial Driver: disable dma rx interrupt only rather than all irqs
The UART RX handling code isn't exactly speeding, so don't go disabling all interrupts when processing the buffer. Just disable the relevant DMA interrupt. This greatly improves latency of the system when utilizing the UART. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/rcutree.h')
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