linux-kernel - [PATCH 02/15] serial: bfin_5xx: add missing spin

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Message-ID: <20090622173115.25341.3717.stgit@t61.ukuu.org.uk>
Date:	Mon, 22 Jun 2009 18:37:24 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/15] serial: bfin_5xx: add missing spin_lock init

From: Mike Frysinger <vapier@...too.org>

The Blackfin serial driver never initialized the spin_lock that is part of
the serial core structure, but we never noticed because spin_lock's are
rarely enabled on UP systems.  Yeah lockdep and friends.

Signed-off-by: Mike Frysinger <vapier@...too.org>
Signed-off-by: Alan Cox <alan@...ux.intel.com>
---

 drivers/serial/bfin_5xx.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index e2f6b1b..d7fcca1 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -1110,6 +1110,7 @@ static void __init bfin_serial_init_ports(void)
 	bfin_serial_hw_init();
 
 	for (i = 0; i < nr_active_ports; i++) {
+		spin_lock_init(&bfin_serial_ports[i].port.lock);
 		bfin_serial_ports[i].port.uartclk   = get_sclk();
 		bfin_serial_ports[i].port.fifosize  = BFIN_UART_TX_FIFO_SIZE;
 		bfin_serial_ports[i].port.ops       = &bfin_serial_pops;

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