ARM: PL011: add DMA burst threshold support for ST variants
authorRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 22 Dec 2010 17:59:16 +0000 (17:59 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 5 Jan 2011 16:58:53 +0000 (16:58 +0000)
commit38d624361b2a82d6317c379aebf81b1b28210bb0
treefca8b4acdba29a8550fc7e7d19de2d2228c36be8
parent68b65f7305e54b822b2483c60de7d7b017526a92
ARM: PL011: add DMA burst threshold support for ST variants

ST Micro variants has some specific dma burst threshold compensation,
which allows them to make better use of a DMA controller.  Add support
to set this up.

Based on a patch from Linus Walleij.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/serial/amba-pl011.c
include/linux/amba/serial.h