{
struct imx_port *sport = dev_id;
u32 usr1;
- unsigned long flags;
- spin_lock_irqsave(&sport->port.lock, flags);
+ spin_lock(&sport->port.lock);
imx_uart_writel(sport, USR1_RTSD, USR1);
usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;
uart_handle_cts_change(&sport->port, !!usr1);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ spin_unlock(&sport->port.lock);
return IRQ_HANDLED;
}
static irqreturn_t imx_uart_txint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
- unsigned long flags;
- spin_lock_irqsave(&sport->port.lock, flags);
+ spin_lock(&sport->port.lock);
imx_uart_transmit_buffer(sport);
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ spin_unlock(&sport->port.lock);
return IRQ_HANDLED;
}
struct imx_port *sport = dev_id;
unsigned int rx, flg, ignored = 0;
struct tty_port *port = &sport->port.state->port;
- unsigned long flags;
- spin_lock_irqsave(&sport->port.lock, flags);
+ spin_lock(&sport->port.lock);
while (imx_uart_readl(sport, USR2) & USR2_RDR) {
u32 usr2;
}
out:
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ spin_unlock(&sport->port.lock);
tty_flip_buffer_push(port);
return IRQ_HANDLED;
}
}
if (usr1 & USR1_DTRD) {
- unsigned long flags;
-
imx_uart_writel(sport, USR1_DTRD, USR1);
- spin_lock_irqsave(&sport->port.lock, flags);
+ spin_lock(&sport->port.lock);
imx_uart_mctrl_check(sport);
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ spin_unlock(&sport->port.lock);
ret = IRQ_HANDLED;
}