From: akpm@linux-foundation.org
To: sonic.zhang@analog.com, alan@lxorguk.ukuu.org.uk,
cooloney@kernel.org, zhangq@sansitech.com,
mm-commits@vger.kernel.org
Subject: [merged] blackfin-serial-driver-fix-a-bug-in-dma-circle-rx-buffer-handling.patch removed from -mm tree
Date: Thu, 12 Mar 2009 13:17:00 -0700 [thread overview]
Message-ID: <200903122017.n2CKH0JB032616@imap1.linux-foundation.org> (raw)
The patch titled
blackfin serial driver: fix a bug in dma circle rx buffer handling
has been removed from the -mm tree. Its filename was
blackfin-serial-driver-fix-a-bug-in-dma-circle-rx-buffer-handling.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: blackfin serial driver: fix a bug in dma circle rx buffer handling
From: Sonic Zhang <sonic.zhang@analog.com>
Reported-by: Qian Zhang <zhangq@sansitech.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/serial/bfin_5xx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN drivers/serial/bfin_5xx.c~blackfin-serial-driver-fix-a-bug-in-dma-circle-rx-buffer-handling drivers/serial/bfin_5xx.c
--- a/drivers/serial/bfin_5xx.c~blackfin-serial-driver-fix-a-bug-in-dma-circle-rx-buffer-handling
+++ a/drivers/serial/bfin_5xx.c
@@ -402,9 +402,11 @@ static void bfin_serial_dma_rx_chars(str
else
flg = TTY_NORMAL;
- for (i = uart->rx_dma_buf.tail; i != uart->rx_dma_buf.head; i++) {
+ for (i = uart->rx_dma_buf.tail; ; i++) {
if (i >= UART_XMIT_SIZE)
i = 0;
+ if (i == uart->rx_dma_buf.head)
+ break;
if (!uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i]))
uart_insert_char(&uart->port, status, OE,
uart->rx_dma_buf.buf[i], flg);
_
Patches currently in -mm which might be from sonic.zhang@analog.com are
origin.patch
linux-next.patch
blackfin-serial-driver-change-hardware-flowcontrol-from-poll-to-interrupt-driven.patch
blackfin-serial-driver-fix-bug-serial-port-transfer-big-file-from-host-to-target-would-have-more-lines.patch
blackfin-serial-driver-fix-bug-enable-hardware-based-cts-and-rts-for-bf548.patch
reply other threads:[~2009-03-12 20:32 UTC|newest]
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