serial: pl011: use DMA RX polling by default
authorLinus Walleij <linus.walleij@linaro.org>
Thu, 28 Nov 2013 09:41:04 +0000 (10:41 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 Dec 2013 01:09:07 +0000 (17:09 -0800)
commit17438217a6f5e33d920ed3821a4b857311cc2872
tree9f36e6cba87f7ac6552b5ab419d8cae60a477115
parentd0ce850d60166e99d5cca011d4b871a7cc1f930c
serial: pl011: use DMA RX polling by default

Making DMA RX polling optional when DMA is on was just
over-cautious: there is one single system in the kernel tree
using this facility, Ux500 and after some testing I turned
this on also for Ux500, which means it should simply be on
by default if DMA is enabled.

Cc: Jongsung Kim <neidhard.kim@lge.com>
Cc: Chanho Min <chanho.min@lge.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/amba-pl011.c
include/linux/amba/serial.h