From: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Date: Thu, 13 Sep 2012 10:32:22 +0000 (+0200)
Subject: Staging: ipack/devices/ipoctal: acknowledge BREAK condition.
X-Git-Tag: firefly_0821_release~3680^2~1977^2~246
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4514108c5b8088ab4a72ba27eb093882d76619cf;p=firefly-linux-kernel-4.4.55.git

Staging: ipack/devices/ipoctal: acknowledge BREAK condition.

Clear the BREAK flag from the ISR register. Doing that, we avoid to read
the same condition for the next character received.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/ipack/devices/ipoctal.c b/drivers/staging/ipack/devices/ipoctal.c
index 9fc2f7f7199b..164e43ce6913 100644
--- a/drivers/staging/ipack/devices/ipoctal.c
+++ b/drivers/staging/ipack/devices/ipoctal.c
@@ -158,6 +158,7 @@ static void ipoctal_irq_rx(struct ipoctal_channel *channel,
 				flag = TTY_FRAME;
 			}
 			if (sr & SR_RECEIVED_BREAK) {
+				iowrite8(CR_CMD_RESET_BREAK_CHANGE, &channel->regs->w.cr);
 				channel->stats.rcv_break++;
 				flag = TTY_BREAK;
 			}