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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-12-22 17:13:05 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-05 16:58:45 +0000
commitffca2b114c6a804d1307781df687e877a373a1c2 (patch)
tree976cffca5c682bcec045ab9f52456854474930a3 /Makefile
parentc19f12b5ef3adf3c139eabbe3d3d0201838b77b1 (diff)
ARM: PL011: Separate hardware FIFO size from TTY FIFO size
With DMA support, we need to tell the TTY subsystem that the DMA buffer is the size of the FIFO, otherwise things like tty_wait_until_sent() will time out too early. Keep (and use) the hardware value separately from the port->fifosize. This was part of a larger patch from Linus Walleij, with a little modification. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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