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serial: 8250_dma: no need to sync RX buffer
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 30 Sep 2015 07:04:17 +0000 (10:04 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Oct 2015 18:12:25 +0000 (19:12 +0100)
commit27c310c5c3129aac9d2f325211df85a82177f274
treec1b74da52455f8740db6504cea4a492c8824b2e8tree | snapshot (tar.gz zip)
parent10791233e98fbd0ed84b9ba549ce537ca2fcccf3commit | diff
serial: 8250_dma: no need to sync RX buffer

RX buffer is allocated from DMA coherent memory. Thus there is no need to call
DMA sync API for it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_dma.c diff | blob | blame | history