summaryrefslogtreecommitdiff
path: root/drivers/tty/serial/fsl_lpuart.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-24 06:04:33 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-24 06:04:33 +0300
commit329f0a8a35a664fb33f58f10538f5440ee19c54e (patch)
tree270e7764e6fe54c982626bd2af294cedf4afbc5f /drivers/tty/serial/fsl_lpuart.c
parenta5fa2660d787d8416f426cd622778a5d8851ac36 (diff)
parent520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff)
downloadlinux-329f0a8a35a664fb33f58f10538f5440ee19c54e.tar.xz
Merge 4.13-rc2 into tty-next
We want the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
-rw-r--r--drivers/tty/serial/fsl_lpuart.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index f9deb9a59163..5b4721bd70f0 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -670,6 +670,12 @@ 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;
@@ -678,7 +684,7 @@ 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);
@@ -686,14 +692,14 @@ 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);
@@ -2034,12 +2040,12 @@ 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);
@@ -2174,7 +2180,7 @@ 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;
@@ -2201,7 +2207,7 @@ 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;
@@ -2254,7 +2260,7 @@ 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);
@@ -2305,7 +2311,7 @@ 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 |