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authorLinus Walleij <linus.walleij@linaro.org>2011-02-24 13:21:08 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-03-10 10:07:22 +0000
commitead76f329f777c7301e0a5456a0a1c7a081570bd (patch)
tree71a2954490057806b4ce87a7d368f11f62b16e85 /drivers/char
parenta5abba989deceb731047425812d268daf7536575 (diff)
ARM: 6763/1: pl011: add optional RX DMA to PL011 v2
This adds an optional RX DMA codepath for the devices that support this by using the apropriate burst sizes instead of pulling single bytes. Includes portions of code written by Russell King during a PL08x hacking session. This has been tested on U300 and Ux500. Tested-by: Jerzy Kasenberg <jerzy.kasenberg@tieto.com> Tested-by: Grzegorz Sygieda <grzegorz.sygieda@tieto.com> Tested-by: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com> Signed-off-by: Per Forlin <per.friden@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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