From: Bryan Wu <cooloney@kernel.org>
To: alan@lxorguk.ukuu.org.uk
Cc: linux-kernel@vger.kernel.org,
Sonic Zhang <sonic.zhang@analog.com>,
Bryan Wu <cooloney@kernel.org>
Subject: [PATCH 6/8] Blackfin Serial Driver: Fix bug - Don't call tx_stop in tx_transfer.
Date: Sun, 27 Jul 2008 14:04:05 +0800 [thread overview]
Message-ID: <1217138647-18227-7-git-send-email-cooloney@kernel.org> (raw)
In-Reply-To: <1217138647-18227-1-git-send-email-cooloney@kernel.org>
From: Sonic Zhang <sonic.zhang@analog.com>
Disable irq and return immediately.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---
drivers/serial/bfin_5xx.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 31fc8e1..afeff9f 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -301,7 +301,11 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
bfin_serial_mctrl_check(uart);
if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
- bfin_serial_stop_tx(&uart->port);
+#ifdef CONFIG_BF54x
+ /* Clear TFI bit */
+ UART_PUT_LSR(uart, TFI);
+#endif
+ UART_CLEAR_IER(uart, ETBEI);
return;
}
--
1.5.6
next prev parent reply other threads:[~2008-07-27 6:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-27 6:03 [PATCH 0/8] Blackfin serial driver updates for 2.6.27 Bryan Wu
2008-07-27 6:04 ` [PATCH 1/8] Blackfin Serial Driver: use __initdata for data, not __init Bryan Wu
2008-07-27 6:04 ` [PATCH 2/8] Blackfin Serial Driver: Fix bug - should suspend/resume/remove all uart ports Bryan Wu
2008-07-27 6:04 ` [PATCH 3/8] Blackfin Serial Driver: trim trailing whitespace -- no functional changes Bryan Wu
2008-07-27 6:04 ` [PATCH 4/8] Blackfin Serial Driver: move common variables out of serial headers and into the serial driver Bryan Wu
2008-07-27 6:04 ` [PATCH 5/8] Blackfin Serial Driver: Remove useless stop Bryan Wu
2008-07-27 6:04 ` Bryan Wu [this message]
2008-07-27 6:04 ` [PATCH 7/8] Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UART Bryan Wu
2008-07-27 6:04 ` [PATCH 8/8] Blackfin Serial Driver: Fix bug - request UART2/3 peripheral mapped interrupts in PIO mode Bryan Wu
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