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ENGR00322581-03 tty: serial: imx: start rx_dma once RXFIFO is not empty
authorRobin Gong <b38343@freescale.com>
Fri, 11 Jul 2014 09:47:17 +0000 (17:47 +0800)
committerNitin Garg <nitin.garg@freescale.com>
Fri, 16 Jan 2015 03:17:09 +0000 (21:17 -0600)
commit5688ac95f171c7b1c94fd425504237274ce3ab5b
treea8e9ff58f309346a2e4c69ad39db0bef4dee889dtree | snapshot
parent5336f20bb11b1f01f51e0bf1e9450c41baade9e6commit | diff
ENGR00322581-03 tty: serial: imx: start rx_dma once RXFIFO is not empty

Start rx_dma once RXFIFO is not empty that can avoid dma request lost
and causes data delay issue.

(cherry picked from commit 9271c626e207f9a4578b4696e520253a3bd0ad32)

Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
drivers/tty/serial/imx.c diff | blob | history
Linux kernel for KaRo TX COM modules