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-rw-r--r--drivers/watchdog/Kconfig70
-rw-r--r--drivers/watchdog/Makefile1
-rw-r--r--drivers/watchdog/lenovo_se10_wdt.c308
-rw-r--r--drivers/watchdog/menz69_wdt.c1
-rw-r--r--drivers/watchdog/mtx-1_wdt.c1
-rw-r--r--drivers/watchdog/octeon-wdt-main.c6
-rw-r--r--drivers/watchdog/omap_wdt.c1
-rw-r--r--drivers/watchdog/rzg2l_wdt.c22
-rw-r--r--drivers/watchdog/simatic-ipc-wdt.c1
-rw-r--r--drivers/watchdog/ts4800_wdt.c1
-rw-r--r--drivers/watchdog/twl4030_wdt.c1
11 files changed, 374 insertions, 39 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 6bee137cfb..2882944d23 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -254,6 +254,18 @@ config GPIO_WATCHDOG_ARCH_INITCALL
arch_initcall.
If in doubt, say N.
+config LENOVO_SE10_WDT
+ tristate "Lenovo SE10 Watchdog"
+ depends on (X86 && DMI) || COMPILE_TEST
+ depends on HAS_IOPORT
+ select WATCHDOG_CORE
+ help
+ If you say yes here you get support for the watchdog
+ functionality for the Lenovo SE10 platform.
+
+ This driver can also be built as a module. If so, the module
+ will be called lenovo-se10-wdt.
+
config MENF21BMC_WATCHDOG
tristate "MEN 14F021P00 BMC Watchdog"
depends on MFD_MENF21BMC || COMPILE_TEST
@@ -482,6 +494,7 @@ config 21285_WATCHDOG
config 977_WATCHDOG
tristate "NetWinder WB83C977 watchdog"
depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
+ depends on HAS_IOPORT
help
Say Y here to include support for the WB977 watchdog included in
NetWinder machines. Alternatively say M to compile the driver as
@@ -1075,7 +1088,7 @@ config ACQUIRE_WDT
config ADVANTECH_WDT
tristate "Advantech SBC Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
If you are configuring a Linux kernel for the Advantech single-board
computer, say `Y' here to support its built-in watchdog timer
@@ -1084,7 +1097,7 @@ config ADVANTECH_WDT
config ADVANTECH_EC_WDT
tristate "Advantech Embedded Controller Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select ISA_BUS_API
select WATCHDOG_CORE
help
@@ -1117,7 +1130,7 @@ config ALIM7101_WDT
config EBC_C384_WDT
tristate "WinSystems EBC-C384 Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select ISA_BUS_API
select WATCHDOG_CORE
help
@@ -1127,7 +1140,7 @@ config EBC_C384_WDT
config EXAR_WDT
tristate "Exar Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select WATCHDOG_CORE
help
Enables watchdog timer support for the watchdog timer present
@@ -1138,7 +1151,7 @@ config EXAR_WDT
config F71808E_WDT
tristate "Fintek F718xx, F818xx Super I/O Watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select WATCHDOG_CORE
help
This is the driver for the hardware watchdog on the Fintek F71808E,
@@ -1150,7 +1163,7 @@ config F71808E_WDT
config SP5100_TCO
tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
- depends on (X86 || COMPILE_TEST) && PCI
+ depends on (X86 || COMPILE_TEST) && PCI && HAS_IOPORT
select WATCHDOG_CORE
help
Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
@@ -1189,7 +1202,7 @@ config SC520_WDT
config SBC_FITPC2_WATCHDOG
tristate "Compulab SBC-FITPC2 watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the built-in watchdog timer on the fit-PC2,
fit-PC2i, CM-iAM single-board computers made by Compulab.
@@ -1214,7 +1227,7 @@ config SBC_FITPC2_WATCHDOG
config EUROTECH_WDT
tristate "Eurotech CPU-1220/1410 Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
Enable support for the watchdog timer on the Eurotech CPU-1220 and
CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
@@ -1222,7 +1235,7 @@ config EUROTECH_WDT
config IB700_WDT
tristate "IB700 SBC Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog on the IB700 Single
Board Computer produced by TMC Technology (www.tmc-uk.com). This
@@ -1239,7 +1252,7 @@ config IB700_WDT
config IBMASR
tristate "IBM Automatic Server Restart"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the IBM Automatic Server Restart watchdog
timer built-in into some eServer xSeries machines.
@@ -1249,7 +1262,7 @@ config IBMASR
config WAFER_WDT
tristate "ICP Single Board Computer Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is a driver for the hardware watchdog on the ICP Single
Board Computer. This driver is working on (at least) the following
@@ -1271,7 +1284,7 @@ config I6300ESB_WDT
config IE6XX_WDT
tristate "Intel Atom E6xx Watchdog"
- depends on (X86 || COMPILE_TEST) && PCI
+ depends on (X86 || COMPILE_TEST) && PCI && HAS_IOPORT
select WATCHDOG_CORE
select MFD_CORE
select LPC_SCH
@@ -1301,6 +1314,7 @@ config ITCO_WDT
select WATCHDOG_CORE
depends on I2C || I2C=n
depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT
+ depends on HAS_IOPORT # for I2C_I801
select LPC_ICH if !EXPERT
select I2C_I801 if !EXPERT && I2C
help
@@ -1331,7 +1345,7 @@ config ITCO_VENDOR_SUPPORT
config IT8712F_WDT
tristate "IT8712F (Smart Guardian) Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the built-in watchdog timer on the IT8712F
Super I/0 chipset used on many motherboards.
@@ -1344,7 +1358,7 @@ config IT8712F_WDT
config IT87_WDT
tristate "IT87 Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select WATCHDOG_CORE
help
This is the driver for the hardware watchdog on the ITE IT8607,
@@ -1392,7 +1406,7 @@ config KEMPLD_WDT
config SC1200_WDT
tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is a driver for National Semiconductor PC87307/PC97307 hardware
watchdog cards as found on the SC1200. This watchdog is mainly used
@@ -1415,7 +1429,7 @@ config SCx200_WDT
config PC87413_WDT
tristate "NS PC87413 watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog on the PC87413 chipset
This watchdog simply watches your kernel to make sure it doesn't
@@ -1429,7 +1443,7 @@ config PC87413_WDT
config NV_TCO
tristate "nVidia TCO Timer/Watchdog"
- depends on (X86 || COMPILE_TEST) && PCI
+ depends on (X86 || COMPILE_TEST) && PCI && HAS_IOPORT
help
Hardware driver for the TCO timer built into the nVidia Hub family
(such as the MCP51). The TCO (Total Cost of Ownership) timer is a
@@ -1458,7 +1472,7 @@ config RDC321X_WDT
config 60XX_WDT
tristate "SBC-60XX Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This driver can be used with the watchdog timer found on some
single board computers, namely the 6010 PII based computer.
@@ -1498,7 +1512,7 @@ config SBC7240_WDT
config CPU5_WDT
tristate "SMA CPU5 Watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
TBD.
To compile this driver as a module, choose M here: the
@@ -1506,7 +1520,7 @@ config CPU5_WDT
config SMSC_SCH311X_WDT
tristate "SMSC SCH311X Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog timer on the
SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
@@ -1518,7 +1532,7 @@ config SMSC_SCH311X_WDT
config SMSC37B787_WDT
tristate "Winbond SMsC37B787 Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog component on the
Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
@@ -1564,7 +1578,7 @@ config VIA_WDT
config W83627HF_WDT
tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
select WATCHDOG_CORE
help
This is the driver for the hardware watchdog on the following
@@ -1594,7 +1608,7 @@ config W83627HF_WDT
config W83877F_WDT
tristate "W83877F (EMACS) Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog on the W83877F chipset
as used in EMACS PC-104 motherboards (and likely others). This
@@ -1609,7 +1623,7 @@ config W83877F_WDT
config W83977F_WDT
tristate "W83977F (PCM-5335) Watchdog Timer"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the hardware watchdog on the W83977F I/O chip
as used in AAEON's PCM-5335 SBC (and likely others). This
@@ -1622,7 +1636,7 @@ config W83977F_WDT
config MACHZ_WDT
tristate "ZF MachZ Watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
If you are using a ZF Micro MachZ processor, say Y here, otherwise
N. This is the driver for the watchdog timer built-in on that
@@ -1635,7 +1649,7 @@ config MACHZ_WDT
config SBC_EPX_C3_WATCHDOG
tristate "Winsystems SBC EPX-C3 watchdog"
- depends on X86 || COMPILE_TEST
+ depends on (X86 || COMPILE_TEST) && HAS_IOPORT
help
This is the driver for the built-in watchdog timer on the EPX-C3
Single-board computer made by Winsystems, Inc.
@@ -2197,7 +2211,7 @@ comment "PCI-based Watchdog Cards"
config PCIPCWATCHDOG
tristate "Berkshire Products PCI-PC Watchdog"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
This is the driver for the Berkshire Products PCI-PC Watchdog card.
This card simply watches your kernel to make sure it doesn't freeze,
@@ -2212,7 +2226,7 @@ config PCIPCWATCHDOG
config WDTPCI
tristate "PCI-WDT500/501 Watchdog timer"
- depends on PCI
+ depends on PCI && HAS_IOPORT
help
If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 3710c218f0..2d1117564f 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -120,6 +120,7 @@ obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o
obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o
obj-$(CONFIG_IE6XX_WDT) += ie6xx_wdt.o
obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o
+obj-$(CONFIG_LENOVO_SE10_WDT) += lenovo_se10_wdt.o
ifeq ($(CONFIG_ITCO_VENDOR_SUPPORT),y)
obj-$(CONFIG_ITCO_WDT) += iTCO_vendor_support.o
endif
diff --git a/drivers/watchdog/lenovo_se10_wdt.c b/drivers/watchdog/lenovo_se10_wdt.c
new file mode 100644
index 0000000000..139ff0e822
--- /dev/null
+++ b/drivers/watchdog/lenovo_se10_wdt.c
@@ -0,0 +1,308 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * WDT driver for Lenovo SE10.
+ */
+
+#include <linux/delay.h>
+#include <linux/dmi.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+
+#define STATUS_PORT 0x6C
+#define CMD_PORT 0x6C
+#define DATA_PORT 0x68
+#define OUTBUF_FULL 0x01
+#define INBUF_EMPTY 0x02
+#define CFG_LDN 0x07
+#define CFG_BRAM_LDN 0x10 /* for BRAM Base */
+#define CFG_PORT 0x2E
+#define CFG_SIZE 2
+#define CMD_SIZE 4
+#define BRAM_SIZE 2
+
+#define UNLOCK_KEY 0x87
+#define LOCK_KEY 0xAA
+
+#define CUS_WDT_SWI 0x1A
+#define CUS_WDT_CFG 0x1B
+#define CUS_WDT_FEED 0xB0
+#define CUS_WDT_CNT 0xB1
+
+#define DRVNAME "lenovo-se10-wdt"
+
+/*The timeout range is 1-255 seconds*/
+#define MIN_TIMEOUT 1
+#define MAX_TIMEOUT 255
+#define MAX_WAIT 10
+
+#define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */
+static unsigned short bram_base;
+static struct platform_device *se10_pdev;
+
+static int timeout; /* in seconds */
+module_param(timeout, int, 0);
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in seconds. 1 <= timeout <= 255, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+struct se10_wdt {
+ struct watchdog_device wdd;
+};
+
+static int set_bram(unsigned char offset, unsigned char val)
+{
+ if (!request_muxed_region(bram_base, BRAM_SIZE, DRVNAME))
+ return -EBUSY;
+ outb(offset, bram_base);
+ outb(val, bram_base + 1);
+ release_region(bram_base, BRAM_SIZE);
+ return 0;
+}
+
+static void wait_for_buffer(int condition)
+{
+ int loop = 0;
+
+ while (1) {
+ if (inb(STATUS_PORT) & condition || loop > MAX_WAIT)
+ break;
+ loop++;
+ usleep_range(10, 125);
+ }
+}
+
+static void send_cmd(unsigned char cmd)
+{
+ wait_for_buffer(INBUF_EMPTY);
+ outb(cmd, CMD_PORT);
+ wait_for_buffer(INBUF_EMPTY);
+}
+
+static void lpc_write(unsigned char index, unsigned char data)
+{
+ outb(index, CFG_PORT);
+ outb(data, CFG_PORT + 1);
+}
+
+static unsigned char lpc_read(unsigned char index)
+{
+ outb(index, CFG_PORT);
+ return inb(CFG_PORT + 1);
+}
+
+static int wdt_start(struct watchdog_device *wdog)
+{
+ return set_bram(CUS_WDT_SWI, 0x80);
+}
+
+static int wdt_set_timeout(struct watchdog_device *wdog, unsigned int timeout)
+{
+ wdog->timeout = timeout;
+ return set_bram(CUS_WDT_CFG, wdog->timeout);
+}
+
+static int wdt_stop(struct watchdog_device *wdog)
+{
+ return set_bram(CUS_WDT_SWI, 0);
+}
+
+static unsigned int wdt_get_time(struct watchdog_device *wdog)
+{
+ unsigned char time;
+
+ if (!request_muxed_region(CMD_PORT, CMD_SIZE, DRVNAME))
+ return -EBUSY;
+ send_cmd(CUS_WDT_CNT);
+ wait_for_buffer(OUTBUF_FULL);
+ time = inb(DATA_PORT);
+ release_region(CMD_PORT, CMD_SIZE);
+ return time;
+}
+
+static int wdt_ping(struct watchdog_device *wdog)
+{
+ if (!request_muxed_region(CMD_PORT, CMD_SIZE, DRVNAME))
+ return -EBUSY;
+ send_cmd(CUS_WDT_FEED);
+ release_region(CMD_PORT, CMD_SIZE);
+ return 0;
+}
+
+static const struct watchdog_info wdt_info = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
+ .identity = "Lenovo SE10 Watchdog",
+};
+
+static const struct watchdog_ops se10_wdt_ops = {
+ .owner = THIS_MODULE,
+ .start = wdt_start,
+ .stop = wdt_stop,
+ .ping = wdt_ping,
+ .set_timeout = wdt_set_timeout,
+ .get_timeleft = wdt_get_time,
+};
+
+static unsigned int get_chipID(void)
+{
+ unsigned char msb, lsb;
+
+ outb(UNLOCK_KEY, CFG_PORT);
+ outb(0x01, CFG_PORT);
+ outb(0x55, CFG_PORT);
+ outb(0x55, CFG_PORT);
+ msb = lpc_read(0x20);
+ lsb = lpc_read(0x21);
+ outb(LOCK_KEY, CFG_PORT);
+ return (msb * 256 + lsb);
+}
+
+static int se10_wdt_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct se10_wdt *priv;
+ unsigned int chip_id;
+ int ret;
+
+ if (!request_muxed_region(CFG_PORT, CFG_SIZE, DRVNAME))
+ return -EBUSY;
+
+ chip_id = get_chipID();
+ if (chip_id != 0x5632) {
+ release_region(CFG_PORT, CFG_SIZE);
+ return -ENODEV;
+ }
+
+ lpc_write(CFG_LDN, CFG_BRAM_LDN);
+ bram_base = (lpc_read(0x60) << 8) | lpc_read(0x61);
+ release_region(CFG_PORT, CFG_SIZE);
+
+ dev_info(dev, "Found Lenovo SE10 0x%x\n", chip_id);
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ watchdog_set_drvdata(&priv->wdd, priv);
+
+ priv->wdd.parent = dev;
+ priv->wdd.info = &wdt_info,
+ priv->wdd.ops = &se10_wdt_ops,
+ priv->wdd.timeout = WATCHDOG_TIMEOUT; /* Set default timeout */
+ priv->wdd.min_timeout = MIN_TIMEOUT;
+ priv->wdd.max_timeout = MAX_TIMEOUT;
+
+ set_bram(CUS_WDT_CFG, WATCHDOG_TIMEOUT); /* Set time to default */
+
+ watchdog_init_timeout(&priv->wdd, timeout, dev);
+ watchdog_set_nowayout(&priv->wdd, nowayout);
+ watchdog_stop_on_reboot(&priv->wdd);
+ watchdog_stop_on_unregister(&priv->wdd);
+
+ ret = devm_watchdog_register_device(dev, &priv->wdd);
+
+ dev_dbg(&pdev->dev, "initialized. timeout=%d sec (nowayout=%d)\n",
+ priv->wdd.timeout, nowayout);
+
+ return ret;
+}
+
+static struct platform_driver se10_wdt_driver = {
+ .driver = {
+ .name = DRVNAME,
+ },
+ .probe = se10_wdt_probe,
+};
+
+static int se10_create_platform_device(const struct dmi_system_id *id)
+{
+ int err;
+
+ se10_pdev = platform_device_alloc("lenovo-se10-wdt", -1);
+ if (!se10_pdev)
+ return -ENOMEM;
+
+ err = platform_device_add(se10_pdev);
+ if (err)
+ platform_device_put(se10_pdev);
+
+ return err;
+}
+
+static const struct dmi_system_id se10_dmi_table[] __initconst = {
+ {
+ .ident = "LENOVO-SE10",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "12NH"),
+ },
+ .callback = se10_create_platform_device,
+ },
+ {
+ .ident = "LENOVO-SE10",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "12NJ"),
+ },
+ .callback = se10_create_platform_device,
+ },
+ {
+ .ident = "LENOVO-SE10",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "12NK"),
+ },
+ .callback = se10_create_platform_device,
+ },
+ {
+ .ident = "LENOVO-SE10",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "12NL"),
+ },
+ .callback = se10_create_platform_device,
+ },
+ {
+ .ident = "LENOVO-SE10",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "12NM"),
+ },
+ .callback = se10_create_platform_device,
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(dmi, se10_dmi_table);
+
+static int __init se10_wdt_init(void)
+{
+ if (!dmi_check_system(se10_dmi_table))
+ return -ENODEV;
+
+ return platform_driver_register(&se10_wdt_driver);
+}
+
+static void __exit se10_wdt_exit(void)
+{
+ if (se10_pdev)
+ platform_device_unregister(se10_pdev);
+ platform_driver_unregister(&se10_wdt_driver);
+}
+
+module_init(se10_wdt_init);
+module_exit(se10_wdt_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Ober<dober@lenovo.com>");
+MODULE_AUTHOR("Mark Pearson <mpearson-lenovo@squebb.ca>");
+MODULE_DESCRIPTION("WDT driver for Lenovo SE10");
diff --git a/drivers/watchdog/menz69_wdt.c b/drivers/watchdog/menz69_wdt.c
index c7de302700..0508a65acf 100644
--- a/drivers/watchdog/menz69_wdt.c
+++ b/drivers/watchdog/menz69_wdt.c
@@ -161,6 +161,7 @@ static struct mcb_driver men_z069_driver = {
module_mcb_driver(men_z069_driver);
MODULE_AUTHOR("Johannes Thumshirn <jth@kernel.org>");
+MODULE_DESCRIPTION("Watchdog driver for the MEN z069 IP-Core");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("mcb:16z069");
MODULE_IMPORT_NS(MCB);
diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index 152e41ecbb..0675613503 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -236,7 +236,6 @@ static struct platform_driver mtx1_wdt_driver = {
.probe = mtx1_wdt_probe,
.remove_new = mtx1_wdt_remove,
.driver.name = "mtx1-wdt",
- .driver.owner = THIS_MODULE,
};
module_platform_driver(mtx1_wdt_driver);
diff --git a/drivers/watchdog/octeon-wdt-main.c b/drivers/watchdog/octeon-wdt-main.c
index 0fe71f7e66..52d49e4e35 100644
--- a/drivers/watchdog/octeon-wdt-main.c
+++ b/drivers/watchdog/octeon-wdt-main.c
@@ -381,11 +381,7 @@ static int octeon_wdt_cpu_online(unsigned int cpu)
/* Must set the irq affinity here */
if (octeon_has_feature(OCTEON_FEATURE_CIU3)) {
- cpumask_t mask;
-
- cpumask_clear(&mask);
- cpumask_set_cpu(cpu, &mask);
- irq_set_affinity(irq, &mask);
+ irq_set_affinity(irq, cpumask_of(cpu));
}
cpumask_set_cpu(cpu, &irq_enabled_cpus);
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index a7a12f2fe9..b6e0236509 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -370,5 +370,6 @@ static struct platform_driver omap_wdt_driver = {
module_platform_driver(omap_wdt_driver);
MODULE_AUTHOR("George G. Davis");
+MODULE_DESCRIPTION("Driver for the TI OMAP 16xx/24xx/34xx 32KHz (non-secure) watchdog");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:omap_wdt");
diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c
index 1741f98ca6..7bce093316 100644
--- a/drivers/watchdog/rzg2l_wdt.c
+++ b/drivers/watchdog/rzg2l_wdt.c
@@ -123,8 +123,11 @@ static void rzg2l_wdt_init_timeout(struct watchdog_device *wdev)
static int rzg2l_wdt_start(struct watchdog_device *wdev)
{
struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev);
+ int ret;
- pm_runtime_get_sync(wdev->parent);
+ ret = pm_runtime_resume_and_get(wdev->parent);
+ if (ret)
+ return ret;
/* Initialize time out */
rzg2l_wdt_init_timeout(wdev);
@@ -141,15 +144,21 @@ static int rzg2l_wdt_start(struct watchdog_device *wdev)
static int rzg2l_wdt_stop(struct watchdog_device *wdev)
{
struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev);
+ int ret;
rzg2l_wdt_reset(priv);
- pm_runtime_put(wdev->parent);
+
+ ret = pm_runtime_put(wdev->parent);
+ if (ret < 0)
+ return ret;
return 0;
}
static int rzg2l_wdt_set_timeout(struct watchdog_device *wdev, unsigned int timeout)
{
+ int ret = 0;
+
wdev->timeout = timeout;
/*
@@ -158,11 +167,14 @@ static int rzg2l_wdt_set_timeout(struct watchdog_device *wdev, unsigned int time
* to reset the module) so that it is updated with new timeout values.
*/
if (watchdog_active(wdev)) {
- rzg2l_wdt_stop(wdev);
- rzg2l_wdt_start(wdev);
+ ret = rzg2l_wdt_stop(wdev);
+ if (ret)
+ return ret;
+
+ ret = rzg2l_wdt_start(wdev);
}
- return 0;
+ return ret;
}
static int rzg2l_wdt_restart(struct watchdog_device *wdev,
diff --git a/drivers/watchdog/simatic-ipc-wdt.c b/drivers/watchdog/simatic-ipc-wdt.c
index cdc1a2e151..1e91f0a560 100644
--- a/drivers/watchdog/simatic-ipc-wdt.c
+++ b/drivers/watchdog/simatic-ipc-wdt.c
@@ -227,6 +227,7 @@ static struct platform_driver simatic_ipc_wdt_driver = {
module_platform_driver(simatic_ipc_wdt_driver);
+MODULE_DESCRIPTION("Siemens SIMATIC IPC driver for Watchdogs");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" KBUILD_MODNAME);
MODULE_AUTHOR("Gerd Haeussler <gerd.haeussler.ext@siemens.com>");
diff --git a/drivers/watchdog/ts4800_wdt.c b/drivers/watchdog/ts4800_wdt.c
index 0099403f49..24b1ad5210 100644
--- a/drivers/watchdog/ts4800_wdt.c
+++ b/drivers/watchdog/ts4800_wdt.c
@@ -200,5 +200,6 @@ static struct platform_driver ts4800_wdt_driver = {
module_platform_driver(ts4800_wdt_driver);
MODULE_AUTHOR("Damien Riegel <damien.riegel@savoirfairelinux.com>");
+MODULE_DESCRIPTION("Watchdog driver for TS-4800 based boards");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:ts4800_wdt");
diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c
index 09d17e20f4..8c80d04811 100644
--- a/drivers/watchdog/twl4030_wdt.c
+++ b/drivers/watchdog/twl4030_wdt.c
@@ -118,6 +118,7 @@ static struct platform_driver twl4030_wdt_driver = {
module_platform_driver(twl4030_wdt_driver);
MODULE_AUTHOR("Nokia Corporation");
+MODULE_DESCRIPTION("TWL4030 Watchdog");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:twl4030_wdt");
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-03 08:37:25 +0000