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-rw-r--r--drivers/tty/serial/8250/Makefile1
-rw-r--r--drivers/tty/serial/Makefile1
-rw-r--r--drivers/tty/serial/amba-pl011.h1
-rw-r--r--drivers/tty/serial/apbuart.h1
-rw-r--r--drivers/tty/serial/bcm63xx_uart.c5
-rw-r--r--drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h1
-rw-r--r--drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h1
-rw-r--r--drivers/tty/serial/crisv10.c1
-rw-r--r--drivers/tty/serial/crisv10.h1
-rw-r--r--drivers/tty/serial/dz.h1
-rw-r--r--drivers/tty/serial/etraxfs-uart.c1
-rw-r--r--drivers/tty/serial/fsl_lpuart.c40
-rw-r--r--drivers/tty/serial/ip22zilog.h1
-rw-r--r--drivers/tty/serial/pmac_zilog.h1
-rw-r--r--drivers/tty/serial/sccnxp.c13
-rw-r--r--drivers/tty/serial/sh-sci.h1
-rw-r--r--drivers/tty/serial/sunsab.h1
-rw-r--r--drivers/tty/serial/sunzilog.h1
-rw-r--r--drivers/tty/serial/zs.h1
19 files changed, 49 insertions, 25 deletions
diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile
index 6a18d2d768fe..18751bc63a84 100644
--- a/drivers/tty/serial/8250/Makefile
+++ b/drivers/tty/serial/8250/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the 8250 serial device drivers.
#
diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
index fe88a75d9a59..842d185d697e 100644
--- a/drivers/tty/serial/Makefile
+++ b/drivers/tty/serial/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the kernel serial device drivers.
#
diff --git a/drivers/tty/serial/amba-pl011.h b/drivers/tty/serial/amba-pl011.h
index 411c60e1f9a4..077eb12a3472 100644
--- a/drivers/tty/serial/amba-pl011.h
+++ b/drivers/tty/serial/amba-pl011.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef AMBA_PL011_H
#define AMBA_PL011_H
diff --git a/drivers/tty/serial/apbuart.h b/drivers/tty/serial/apbuart.h
index 5faf87c8d2bc..81baf007694f 100644
--- a/drivers/tty/serial/apbuart.h
+++ b/drivers/tty/serial/apbuart.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __GRLIB_APBUART_H__
#define __GRLIB_APBUART_H__
diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
index 583c9a0c7ecc..8c48c3784831 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -507,9 +507,14 @@ static void bcm_uart_set_termios(struct uart_port *port,
{
unsigned int ctl, baud, quot, ier;
unsigned long flags;
+ int tries;
spin_lock_irqsave(&port->lock, flags);
+ /* Drain the hot tub fully before we power it off for the winter. */
+ for (tries = 3; !bcm_uart_tx_empty(port) && tries; tries--)
+ mdelay(10);
+
/* disable uart while changing speed */
bcm_uart_disable(port);
bcm_uart_flush(port);
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
index 60c7e94cde1e..18ec0849918a 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Driver for CPM (SCC/SMC) serial ports
*
diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
index 51e651a69938..051a8509c3e5 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Driver for CPM (SCC/SMC) serial ports
*
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 59a2a7e18b5a..1421804975e0 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Serial port driver for the ETRAX 100LX chip
*
diff --git a/drivers/tty/serial/crisv10.h b/drivers/tty/serial/crisv10.h
index 15a52ee58251..79ba2bc95d3d 100644
--- a/drivers/tty/serial/crisv10.h
+++ b/drivers/tty/serial/crisv10.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* serial.h: Arch-dep definitions for the Etrax100 serial driver.
*
diff --git a/drivers/tty/serial/dz.h b/drivers/tty/serial/dz.h
index faf169ed27b3..3b3e31954f24 100644
--- a/drivers/tty/serial/dz.h
+++ b/drivers/tty/serial/dz.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* dz.h: Serial port driver for DECstations equipped
* with the DZ chipset.
diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c
index 2f80bc7e44fb..24bf6bfb29b4 100644
--- a/drivers/tty/serial/etraxfs-uart.c
+++ b/drivers/tty/serial/etraxfs-uart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/init.h>
#include <linux/console.h>
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 849c1f9991ce..f0252184291e 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1276,7 +1276,6 @@ static void rx_dma_timer_init(struct lpuart_port *sport)
static int lpuart_startup(struct uart_port *port)
{
struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
- int ret;
unsigned long flags;
unsigned char temp;
@@ -1291,11 +1290,6 @@ static int lpuart_startup(struct uart_port *port)
sport->rxfifo_size = 0x1 << (((temp >> UARTPFIFO_RXSIZE_OFF) &
UARTPFIFO_FIFOSIZE_MASK) + 1);
- ret = devm_request_irq(port->dev, port->irq, lpuart_int, 0,
- DRIVER_NAME, sport);
- if (ret)
- return ret;
-
spin_lock_irqsave(&sport->port.lock, flags);
lpuart_setup_watermark(sport);
@@ -1333,7 +1327,6 @@ static int lpuart_startup(struct uart_port *port)
static int lpuart32_startup(struct uart_port *port)
{
struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
- int ret;
unsigned long flags;
unsigned long temp;
@@ -1346,11 +1339,6 @@ static int lpuart32_startup(struct uart_port *port)
sport->rxfifo_size = 0x1 << (((temp >> UARTFIFO_RXSIZE_OFF) &
UARTFIFO_FIFOSIZE_MASK) - 1);
- ret = devm_request_irq(port->dev, port->irq, lpuart32_int, 0,
- DRIVER_NAME, sport);
- if (ret)
- return ret;
-
spin_lock_irqsave(&sport->port.lock, flags);
lpuart32_setup_watermark(sport);
@@ -1380,8 +1368,6 @@ static void lpuart_shutdown(struct uart_port *port)
spin_unlock_irqrestore(&port->lock, flags);
- devm_free_irq(port->dev, port->irq, sport);
-
if (sport->lpuart_dma_rx_use) {
del_timer_sync(&sport->lpuart_timer);
lpuart_dma_rx_free(&sport->port);
@@ -1400,7 +1386,6 @@ static void lpuart_shutdown(struct uart_port *port)
static void lpuart32_shutdown(struct uart_port *port)
{
- struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
unsigned long temp;
unsigned long flags;
@@ -1413,8 +1398,6 @@ static void lpuart32_shutdown(struct uart_port *port)
lpuart32_write(port, temp, UARTCTRL);
spin_unlock_irqrestore(&port->lock, flags);
-
- devm_free_irq(port->dev, port->irq, sport);
}
static void
@@ -2212,16 +2195,22 @@ static int lpuart_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, &sport->port);
- if (lpuart_is_32(sport))
+ if (lpuart_is_32(sport)) {
lpuart_reg.cons = LPUART32_CONSOLE;
- else
+ ret = devm_request_irq(&pdev->dev, sport->port.irq, lpuart32_int, 0,
+ DRIVER_NAME, sport);
+ } else {
lpuart_reg.cons = LPUART_CONSOLE;
+ ret = devm_request_irq(&pdev->dev, sport->port.irq, lpuart_int, 0,
+ DRIVER_NAME, sport);
+ }
+
+ if (ret)
+ goto failed_irq_request;
ret = uart_add_one_port(&lpuart_reg, &sport->port);
- if (ret) {
- clk_disable_unprepare(sport->clk);
- return ret;
- }
+ if (ret)
+ goto failed_attach_port;
sport->dma_tx_chan = dma_request_slave_channel(sport->port.dev, "tx");
if (!sport->dma_tx_chan)
@@ -2240,6 +2229,11 @@ static int lpuart_probe(struct platform_device *pdev)
}
return 0;
+
+failed_attach_port:
+failed_irq_request:
+ clk_disable_unprepare(sport->clk);
+ return ret;
}
static int lpuart_remove(struct platform_device *pdev)
diff --git a/drivers/tty/serial/ip22zilog.h b/drivers/tty/serial/ip22zilog.h
index a59a9a8341d2..b52801fe2d0d 100644
--- a/drivers/tty/serial/ip22zilog.h
+++ b/drivers/tty/serial/ip22zilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _IP22_ZILOG_H
#define _IP22_ZILOG_H
diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h
index 3483242ee3e0..bb874e76810e 100644
--- a/drivers/tty/serial/pmac_zilog.h
+++ b/drivers/tty/serial/pmac_zilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PMAC_ZILOG_H__
#define __PMAC_ZILOG_H__
diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c
index cdd2f942317c..b9c7a904c1ea 100644
--- a/drivers/tty/serial/sccnxp.c
+++ b/drivers/tty/serial/sccnxp.c
@@ -889,7 +889,16 @@ static int sccnxp_probe(struct platform_device *pdev)
goto err_out;
uartclk = 0;
} else {
- clk_prepare_enable(clk);
+ ret = clk_prepare_enable(clk);
+ if (ret)
+ goto err_out;
+
+ ret = devm_add_action_or_reset(&pdev->dev,
+ (void(*)(void *))clk_disable_unprepare,
+ clk);
+ if (ret)
+ goto err_out;
+
uartclk = clk_get_rate(clk);
}
@@ -988,7 +997,7 @@ static int sccnxp_probe(struct platform_device *pdev)
uart_unregister_driver(&s->uart);
err_out:
if (!IS_ERR(s->regulator))
- return regulator_disable(s->regulator);
+ regulator_disable(s->regulator);
return ret;
}
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
index 971b2ab088d8..938e23a2d166 100644
--- a/drivers/tty/serial/sh-sci.h
+++ b/drivers/tty/serial/sh-sci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/bitops.h>
#include <linux/serial_core.h>
#include <linux/io.h>
diff --git a/drivers/tty/serial/sunsab.h b/drivers/tty/serial/sunsab.h
index b78e1f7b8050..1644031aacda 100644
--- a/drivers/tty/serial/sunsab.h
+++ b/drivers/tty/serial/sunsab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC
*
* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
diff --git a/drivers/tty/serial/sunzilog.h b/drivers/tty/serial/sunzilog.h
index 5dec7b47cc38..6d6764f0ac98 100644
--- a/drivers/tty/serial/sunzilog.h
+++ b/drivers/tty/serial/sunzilog.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SUNZILOG_H
#define _SUNZILOG_H
diff --git a/drivers/tty/serial/zs.h b/drivers/tty/serial/zs.h
index aa921b57d827..26ef8eafa1c1 100644
--- a/drivers/tty/serial/zs.h
+++ b/drivers/tty/serial/zs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* zs.h: Definitions for the DECstation Z85C30 serial driver.
*
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-11 22:48:31 +0300