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

From: Samuel Iglesias Gonsalvez
Date: Thu Sep 13 2012 - 06:31:34 EST


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@xxxxxxxxxx>
---
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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