From 25985edcedea6396277003854657b5f3cb31a628 Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Wed, 30 Mar 2011 22:57:33 -0300 Subject: Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi --- drivers/tty/serial/imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/tty/serial/imx.c') diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index dfcf4b1878aa..cb36b0d4ef3c 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -78,7 +78,7 @@ #define URXD_FRMERR (1<<12) #define URXD_BRK (1<<11) #define URXD_PRERR (1<<10) -#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */ +#define UCR1_ADEN (1<<15) /* Auto detect interrupt */ #define UCR1_ADBR (1<<14) /* Auto detect baud rate */ #define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */ #define UCR1_IDEN (1<<12) /* Idle condition interrupt */ -- cgit v1.2.3 From 5680e94148a86e8c31fdc5cb0ea0d5c6810c05b0 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Mon, 11 Apr 2011 10:59:09 +0200 Subject: serial/imx: read cts state only after acking cts change irq MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If cts changes between reading the level at the cts input (USR1_RTSS) and acking the irq (USR1_RTSD) the last edge doesn't generate an irq and uart_handle_cts_change is called with a outdated value for cts. The race was introduced by commit ceca629 ([ARM] 2971/1: i.MX uart handle rts irq) Reported-by: Arwed Springer Tested-by: Arwed Springer Cc: stable@kernel.org # 2.6.14+ Signed-off-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/tty/serial/imx.c') diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index cb36b0d4ef3c..62df72d9f0aa 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -382,12 +382,13 @@ static void imx_start_tx(struct uart_port *port) static irqreturn_t imx_rtsint(int irq, void *dev_id) { struct imx_port *sport = dev_id; - unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS; + unsigned int val; unsigned long flags; spin_lock_irqsave(&sport->port.lock, flags); writel(USR1_RTSD, sport->port.membase + USR1); + val = readl(sport->port.membase + USR1) & USR1_RTSS; uart_handle_cts_change(&sport->port, !!val); wake_up_interruptible(&sport->port.state->port.delta_msr_wait); -- cgit v1.2.3