linux-kernel - [PATCH v2 4/5] Staging: ipack/devices/ipoctal: acknowledge BREAK condition.

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Message-Id: <1347532343-22948-4-git-send-email-siglesias@igalia.com>
Date:	Thu, 13 Sep 2012 12:32:22 +0200
From:	Samuel Iglesias Gonsalvez <siglesias@...lia.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	industrypack-devel@...ts.sourceforge.net,
	Samuel Iglesias Gonsalvez <siglesias@...lia.com>
Subject: [PATCH v2 4/5] 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@...lia.com>
---
 drivers/staging/ipack/devices/ipoctal.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/ipack/devices/ipoctal.c b/drivers/staging/ipack/devices/ipoctal.c
index 9fc2f7f..164e43c 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;
 			}
-- 
1.7.10.4

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