diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/imx.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index e216dcf2937..03b495c2de1 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -154,7 +154,7 @@ static inline void imx_transmit_buffer(struct imx_port *sport) { struct circ_buf *xmit = &sport->port.info->xmit; - do { + while (!(UTS((u32)sport->port.membase) & UTS_TXFULL)) { /* send xmit->buf[xmit->tail] * out the port here */ URTX0((u32)sport->port.membase) = xmit->buf[xmit->tail]; @@ -163,7 +163,7 @@ static inline void imx_transmit_buffer(struct imx_port *sport) sport->port.icount.tx++; if (uart_circ_empty(xmit)) break; - } while (!(UTS((u32)sport->port.membase) & UTS_TXFULL)); + } if (uart_circ_empty(xmit)) imx_stop_tx(&sport->port); @@ -178,8 +178,7 @@ static void imx_start_tx(struct uart_port *port) UCR1((u32)sport->port.membase) |= UCR1_TXMPTYEN; - if(UTS((u32)sport->port.membase) & UTS_TXEMPTY) - imx_transmit_buffer(sport); + imx_transmit_buffer(sport); } static irqreturn_t imx_rtsint(int irq, void *dev_id) @@ -678,7 +677,7 @@ static struct imx_port imx_ports[] = { .mapbase = IMX_UART1_BASE, /* FIXME */ .irq = UART1_MINT_RX, .uartclk = 16000000, - .fifosize = 8, + .fifosize = 32, .flags = UPF_BOOT_AUTOCONF, .ops = &imx_pops, .line = 0, @@ -694,7 +693,7 @@ static struct imx_port imx_ports[] = { .mapbase = IMX_UART2_BASE, /* FIXME */ .irq = UART2_MINT_RX, .uartclk = 16000000, - .fifosize = 8, + .fifosize = 32, .flags = UPF_BOOT_AUTOCONF, .ops = &imx_pops, .line = 1, |