diff options
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 343de8c384b0..898dcb091a27 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -619,6 +619,12 @@ static unsigned int lpuart32_tx_empty(struct uart_port *port) TIOCSER_TEMT : 0; } +static bool lpuart_is_32(struct lpuart_port *sport) +{ + return sport->port.iotype == UPIO_MEM32 || + sport->port.iotype == UPIO_MEM32BE; +} + static irqreturn_t lpuart_txint(int irq, void *dev_id) { struct lpuart_port *sport = dev_id; @@ -627,7 +633,7 @@ static irqreturn_t lpuart_txint(int irq, void *dev_id) spin_lock_irqsave(&sport->port.lock, flags); if (sport->port.x_char) { - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_write(&sport->port, sport->port.x_char, UARTDATA); else writeb(sport->port.x_char, sport->port.membase + UARTDR); @@ -635,14 +641,14 @@ static irqreturn_t lpuart_txint(int irq, void *dev_id) } if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) { - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_stop_tx(&sport->port); else lpuart_stop_tx(&sport->port); goto out; } - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_transmit_buffer(sport); else lpuart_transmit_buffer(sport); @@ -1978,12 +1984,12 @@ static int __init lpuart_console_setup(struct console *co, char *options) if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); else - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_console_get_options(sport, &baud, &parity, &bits); else lpuart_console_get_options(sport, &baud, &parity, &bits); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart32_setup_watermark(sport); else lpuart_setup_watermark(sport); @@ -2118,7 +2124,7 @@ static int lpuart_probe(struct platform_device *pdev) } sport->port.irq = ret; sport->port.iotype = sdata->iotype; - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) sport->port.ops = &lpuart32_pops; else sport->port.ops = &lpuart_pops; @@ -2145,7 +2151,7 @@ static int lpuart_probe(struct platform_device *pdev) platform_set_drvdata(pdev, &sport->port); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) + if (lpuart_is_32(sport)) lpuart_reg.cons = LPUART32_CONSOLE; else lpuart_reg.cons = LPUART_CONSOLE; @@ -2198,7 +2204,7 @@ static int lpuart_suspend(struct device *dev) struct lpuart_port *sport = dev_get_drvdata(dev); unsigned long temp; - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) { + if (lpuart_is_32(sport)) { /* disable Rx/Tx and interrupts */ temp = lpuart32_read(&sport->port, UARTCTRL); temp &= ~(UARTCTRL_TE | UARTCTRL_TIE | UARTCTRL_TCIE); @@ -2249,7 +2255,7 @@ static int lpuart_resume(struct device *dev) if (sport->port.suspended && !sport->port.irq_wake) clk_prepare_enable(sport->clk); - if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) { + if (lpuart_is_32(sport)) { lpuart32_setup_watermark(sport); temp = lpuart32_read(&sport->port, UARTCTRL); temp |= (UARTCTRL_RIE | UARTCTRL_TIE | UARTCTRL_RE | |