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path: root/drivers/tty/serial
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Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/Kconfig2
-rw-r--r--drivers/tty/serial/atmel_serial.c2
-rw-r--r--drivers/tty/serial/imx.c7
-rw-r--r--drivers/tty/serial/pxa.c49
-rw-r--r--drivers/tty/serial/sirfsoc_uart.c24
-rw-r--r--drivers/tty/serial/sirfsoc_uart.h2
-rw-r--r--drivers/tty/serial/sn_console.c1
7 files changed, 54 insertions, 33 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 76e7764488e6..665beb68f670 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -853,7 +853,7 @@ config SERIAL_MPC52xx_CONSOLE_BAUD
config SERIAL_ICOM
tristate "IBM Multiport Serial Adapter"
- depends on PCI && (PPC_ISERIES || PPC_PSERIES)
+ depends on PCI && PPC_PSERIES
select SERIAL_CORE
select FW_LOADER
help
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 10605ecc99ab..f9a6be7a9bed 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1526,6 +1526,8 @@ void __init atmel_register_uart_fns(struct atmel_port_fns *fns)
atmel_pops.set_wake = fns->set_wake;
}
+struct platform_device *atmel_default_console_device; /* the serial console device */
+
#ifdef CONFIG_SERIAL_ATMEL_CONSOLE
static void atmel_console_putchar(struct uart_port *port, int ch)
{
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0b7fed746b27..e7feceeebc2f 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1508,7 +1508,7 @@ static int serial_imx_probe(struct platform_device *pdev)
ret = PTR_ERR(sport->clk);
goto unmap;
}
- clk_enable(sport->clk);
+ clk_prepare_enable(sport->clk);
sport->port.uartclk = clk_get_rate(sport->clk);
@@ -1531,8 +1531,8 @@ deinit:
if (pdata && pdata->exit)
pdata->exit(pdev);
clkput:
+ clk_disable_unprepare(sport->clk);
clk_put(sport->clk);
- clk_disable(sport->clk);
unmap:
iounmap(sport->port.membase);
free:
@@ -1552,11 +1552,10 @@ static int serial_imx_remove(struct platform_device *pdev)
if (sport) {
uart_remove_one_port(&imx_reg, &sport->port);
+ clk_disable_unprepare(sport->clk);
clk_put(sport->clk);
}
- clk_disable(sport->clk);
-
if (pdata && pdata->exit)
pdata->exit(pdev);
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index e2fd3d8e0ab4..5847a4b855f7 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -36,6 +36,7 @@
#include <linux/circ_buf.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
@@ -44,6 +45,8 @@
#include <linux/io.h>
#include <linux/slab.h>
+#define PXA_NAME_LEN 8
+
struct uart_pxa_port {
struct uart_port port;
unsigned char ier;
@@ -51,7 +54,7 @@ struct uart_pxa_port {
unsigned char mcr;
unsigned int lsr_break_flag;
struct clk *clk;
- char *name;
+ char name[PXA_NAME_LEN];
};
static inline unsigned int serial_in(struct uart_pxa_port *up, int offset)
@@ -781,6 +784,31 @@ static const struct dev_pm_ops serial_pxa_pm_ops = {
};
#endif
+static struct of_device_id serial_pxa_dt_ids[] = {
+ { .compatible = "mrvl,pxa-uart", },
+ { .compatible = "mrvl,mmp-uart", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, serial_pxa_dt_ids);
+
+static int serial_pxa_probe_dt(struct platform_device *pdev,
+ struct uart_pxa_port *sport)
+{
+ struct device_node *np = pdev->dev.of_node;
+ int ret;
+
+ if (!np)
+ return 1;
+
+ ret = of_alias_get_id(np, "serial");
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret);
+ return ret;
+ }
+ sport->port.line = ret;
+ return 0;
+}
+
static int serial_pxa_probe(struct platform_device *dev)
{
struct uart_pxa_port *sport;
@@ -808,20 +836,16 @@ static int serial_pxa_probe(struct platform_device *dev)
sport->port.irq = irqres->start;
sport->port.fifosize = 64;
sport->port.ops = &serial_pxa_pops;
- sport->port.line = dev->id;
sport->port.dev = &dev->dev;
sport->port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
sport->port.uartclk = clk_get_rate(sport->clk);
- switch (dev->id) {
- case 0: sport->name = "FFUART"; break;
- case 1: sport->name = "BTUART"; break;
- case 2: sport->name = "STUART"; break;
- case 3: sport->name = "HWUART"; break;
- default:
- sport->name = "???";
- break;
- }
+ ret = serial_pxa_probe_dt(dev, sport);
+ if (ret > 0)
+ sport->port.line = dev->id;
+ else if (ret < 0)
+ goto err_clk;
+ snprintf(sport->name, PXA_NAME_LEN - 1, "UART%d", sport->port.line + 1);
sport->port.membase = ioremap(mmres->start, resource_size(mmres));
if (!sport->port.membase) {
@@ -829,7 +853,7 @@ static int serial_pxa_probe(struct platform_device *dev)
goto err_clk;
}
- serial_pxa_ports[dev->id] = sport;
+ serial_pxa_ports[sport->port.line] = sport;
uart_add_one_port(&serial_pxa_reg, &sport->port);
platform_set_drvdata(dev, sport);
@@ -866,6 +890,7 @@ static struct platform_driver serial_pxa_driver = {
#ifdef CONFIG_PM
.pm = &serial_pxa_pm_ops,
#endif
+ .of_match_table = serial_pxa_dt_ids,
},
};
diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index a60523fee11b..5b3eda2024fe 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -22,7 +22,7 @@
#include <linux/io.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
-#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/consumer.h>
#include "sirfsoc_uart.h"
@@ -673,12 +673,10 @@ int sirfsoc_uart_probe(struct platform_device *pdev)
port->irq = res->start;
if (sirfport->hw_flow_ctrl) {
- sirfport->pmx = pinmux_get(&pdev->dev, NULL);
- ret = IS_ERR(sirfport->pmx);
+ sirfport->p = pinctrl_get_select_default(&pdev->dev);
+ ret = IS_ERR(sirfport->p);
if (ret)
- goto pmx_err;
-
- pinmux_enable(sirfport->pmx);
+ goto pin_err;
}
port->ops = &sirfsoc_uart_ops;
@@ -695,11 +693,9 @@ int sirfsoc_uart_probe(struct platform_device *pdev)
port_err:
platform_set_drvdata(pdev, NULL);
- if (sirfport->hw_flow_ctrl) {
- pinmux_disable(sirfport->pmx);
- pinmux_put(sirfport->pmx);
- }
-pmx_err:
+ if (sirfport->hw_flow_ctrl)
+ pinctrl_put(sirfport->p);
+pin_err:
irq_err:
devm_iounmap(&pdev->dev, port->membase);
err:
@@ -711,10 +707,8 @@ static int sirfsoc_uart_remove(struct platform_device *pdev)
struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
struct uart_port *port = &sirfport->port;
platform_set_drvdata(pdev, NULL);
- if (sirfport->hw_flow_ctrl) {
- pinmux_disable(sirfport->pmx);
- pinmux_put(sirfport->pmx);
- }
+ if (sirfport->hw_flow_ctrl)
+ pinctrl_put(sirfport->p);
devm_iounmap(&pdev->dev, port->membase);
uart_remove_one_port(&sirfsoc_uart_drv, port);
return 0;
diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h
index fc64260fa93c..6e207fdc2fed 100644
--- a/drivers/tty/serial/sirfsoc_uart.h
+++ b/drivers/tty/serial/sirfsoc_uart.h
@@ -162,7 +162,7 @@ struct sirfsoc_uart_port {
unsigned char ms_enabled;
struct uart_port port;
- struct pinmux *pmx;
+ struct pinctrl *p;
};
/* Hardware Flow Control */
diff --git a/drivers/tty/serial/sn_console.c b/drivers/tty/serial/sn_console.c
index 4e1b5515f881..1c6de9f58699 100644
--- a/drivers/tty/serial/sn_console.c
+++ b/drivers/tty/serial/sn_console.c
@@ -743,6 +743,7 @@ static void __init sn_sal_switch_to_interrupts(struct sn_cons_port *port)
spin_lock_irqsave(&port->sc_port.lock, flags);
port->sc_port.irq = SGI_UART_VECTOR;
port->sc_ops = &intr_ops;
+ irq_set_handler(port->sc_port.irq, handle_level_irq);
/* turn on receive interrupts */
ia64_sn_console_intr_enable(SAL_CONSOLE_INTR_RECV);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-09 00:56:28 +0300