Pull watchdog updates from Wim Van Sebroeck:
- a new watchdog driver for the ROHM
BD70528 watchdog block
- a new watchdog driver for the i.MX system controller watchdog
- conversions to use device managed functions and other improvements
- refactor watchdog_init_timeout
- make watchdog core configurable as module
- pretimeout governors improvements
- a lot of other fixes
* tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog: (114 commits)
watchdog: Enforce that at least one pretimeout governor is enabled
watchdog: stm32: add dynamic prescaler support
watchdog: Improve Kconfig entry ordering and dependencies
watchdog: npcm: Enable modular builds
watchdog: Make watchdog core configurable as module
watchdog: Move pretimeout governor configuration up
watchdog: Use depends instead of select for pretimeout governors
watchdog: rtd119x: drop unused module.h include
watchdog: intel_scu: make it explicitly non-modular
watchdog: coh901327: make it explicitly non-modular
watchdog: ziirave_wdt: drop warning after calling watchdog_init_timeout
watchdog: xen_wdt: drop warning after calling watchdog_init_timeout
watchdog: stm32_iwdg: drop warning after calling watchdog_init_timeout
watchdog: st_lpc_wdt: drop warning after calling watchdog_init_timeout
watchdog: sp5100_tco: drop warning after calling watchdog_init_timeout
watchdog: renesas_wdt: drop warning after calling watchdog_init_timeout
watchdog: nic7018_wdt: drop warning after calling watchdog_init_timeout
watchdog: ni903x_wdt: drop warning after calling watchdog_init_timeout
watchdog: imx_sc_wdt: drop warning after calling watchdog_init_timeout
watchdog: i6300esb: drop warning after calling watchdog_init_timeout
...
return -EBUSY;
/* Good, fire up the show */
wdt_startup();
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int fop_close(struct inode *inode, struct file *file)
return -EINVAL;
timeout = new_timeout;
wdt_keepalive();
- /* Fall through */
}
+ /* Fall through */
case WDIOC_GETTIMEOUT:
return put_user(timeout, p);
default:
clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
ath79_wdt_enable();
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int ath79_wdt_release(struct inode *inode, struct file *file)
static int ath79_wdt_probe(struct platform_device *pdev)
{
- struct resource *res;
u32 ctrl;
int err;
if (wdt_base)
return -EBUSY;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- wdt_base = devm_ioremap_resource(&pdev->dev, res);
+ wdt_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(wdt_base))
return PTR_ERR(wdt_base);
static int watchdog_start(void)
{
+ int err;
+ u8 tmp;
+
/* Make sure we don't die as soon as the watchdog is enabled below */
- int err = watchdog_keepalive();
+ err = watchdog_keepalive();
if (err)
return err;
break;
case f81866:
- /* Set pin 70 to WDTRST# */
- superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL,
- BIT(3) | BIT(0));
- superio_set_bit(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL,
- BIT(2));
/*
* GPIO1 Control Register when 27h BIT3:2 = 01 & BIT0 = 0.
* The PIN 70(GPIO15/WDTRST) is controlled by 2Ch:
* BIT5: 0 -> WDTRST#
* 1 -> GPIO15
*/
- superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_GPIO1,
- BIT(5));
+ tmp = superio_inb(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL);
+ tmp &= ~(BIT(3) | BIT(0));
+ tmp |= BIT(2);
+ superio_outb(watchdog.sioaddr, SIO_F81866_REG_PORT_SEL, tmp);
+
+ superio_clear_bit(watchdog.sioaddr, SIO_F81866_REG_GPIO1, 5);
break;
default:
__module_get(THIS_MODULE);
watchdog.expect_close = 0;
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int watchdog_release(struct inode *inode, struct file *file)
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/compiler.h>
- #include <linux/module.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
watchdog_device.timer_tbl_ptr->freq_hz);
pr_debug("set_heartbeat: timer_set is %x (hex)\n",
watchdog_device.timer_set);
- pr_debug("set_hearbeat: timer_margin is %x (hex)\n", timer_margin);
+ pr_debug("set_heartbeat: timer_margin is %x (hex)\n", timer_margin);
pr_debug("set_heartbeat: threshold is %x (hex)\n",
watchdog_device.threshold);
pr_debug("set_heartbeat: soft_threshold is %x (hex)\n",
if (watchdog_device.driver_closed)
return -EPERM;
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int intel_scu_release(struct inode *inode, struct file *file)
iounmap(watchdog_device.timer_load_count_addr);
return ret;
}
-
- static void __exit intel_scu_watchdog_exit(void)
- {
-
- misc_deregister(&watchdog_device.miscdev);
- unregister_reboot_notifier(&watchdog_device.intel_scu_notifier);
- /* disable the timer */
- iowrite32(0x00000002, watchdog_device.timer_control_addr);
- iounmap(watchdog_device.timer_load_count_addr);
- }
-
late_initcall(intel_scu_watchdog_init);
- module_exit(intel_scu_watchdog_exit);
-
- MODULE_AUTHOR("Intel Corporation");
- MODULE_DESCRIPTION("Intel SCU Watchdog Device Driver");
- MODULE_LICENSE("GPL");
- MODULE_VERSION(WDT_VER);
switch (n) {
case WD1:
zf_writew(COUNTER_1, new);
+ /* fall through */
case WD2:
zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
default:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_KEEPALIVE:
- zf_ping(0);
+ zf_ping(NULL);
break;
default:
return -ENOTTY;
if (nowayout)
__module_get(THIS_MODULE);
zf_timer_on();
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int zf_close(struct inode *inode, struct file *file)
nuc900_wdt_start();
- return nonseekable_open(inode, file);
+ return stream_open(inode, file);
}
static int nuc900_wdt_close(struct inode *inode, struct file *file)
static int nuc900wdt_probe(struct platform_device *pdev)
{
- struct resource *res;
int ret = 0;
nuc900_wdt = devm_kzalloc(&pdev->dev, sizeof(*nuc900_wdt),
spin_lock_init(&nuc900_wdt->wdt_lock);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- nuc900_wdt->wdt_base = devm_ioremap_resource(&pdev->dev, res);
+ nuc900_wdt->wdt_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(nuc900_wdt->wdt_base))
return PTR_ERR(nuc900_wdt->wdt_base);
*
* wdog is the iomem address of the cfg register
*/
- void sbwdog_set(char __iomem *wdog, unsigned long t)
+ static void sbwdog_set(char __iomem *wdog, unsigned long t)
{
spin_lock(&sbwd_lock);
__raw_writeb(0, wdog);
*
* wdog is the iomem address of the cfg register
*/
- void sbwdog_pet(char __iomem *wdog)
+ static void sbwdog_pet(char __iomem *wdog)
{
spin_lock(&sbwd_lock);
__raw_writeb(__raw_readb(wdog) | 1, wdog);
*/
static int sbwdog_open(struct inode *inode, struct file *file)
{
- nonseekable_open(inode, file);
+ stream_open(inode, file);
if (test_and_set_bit(0, &sbwdog_gate))
return -EBUSY;
__module_get(THIS_MODULE);
timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR);
timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) -
- arch_counter_get_cntvct();
+ arch_timer_read_counter();
do_div(timeleft, gwdt->clk);
struct device *dev = &pdev->dev;
struct watchdog_device *wdd;
struct sbsa_gwdt *gwdt;
- struct resource *res;
int ret, irq;
u32 status;
return -ENOMEM;
platform_set_drvdata(pdev, gwdt);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- cf_base = devm_ioremap_resource(dev, res);
+ cf_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(cf_base))
return PTR_ERR(cf_base);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- rf_base = devm_ioremap_resource(dev, res);
+ rf_base = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(rf_base))
return PTR_ERR(rf_base);
*/
sbsa_gwdt_set_timeout(wdd, wdd->timeout);
- ret = watchdog_register_device(wdd);
+ watchdog_stop_on_reboot(wdd);
+ ret = devm_watchdog_register_device(dev, wdd);
if (ret)
return ret;
return 0;
}
- static void sbsa_gwdt_shutdown(struct platform_device *pdev)
- {
- struct sbsa_gwdt *gwdt = platform_get_drvdata(pdev);
-
- sbsa_gwdt_stop(&gwdt->wdd);
- }
-
- static int sbsa_gwdt_remove(struct platform_device *pdev)
- {
- struct sbsa_gwdt *gwdt = platform_get_drvdata(pdev);
-
- watchdog_unregister_device(&gwdt->wdd);
-
- return 0;
- }
-
/* Disable watchdog if it is active during suspend */
static int __maybe_unused sbsa_gwdt_suspend(struct device *dev)
{
.of_match_table = sbsa_gwdt_of_match,
},
.probe = sbsa_gwdt_probe,
- .remove = sbsa_gwdt_remove,
- .shutdown = sbsa_gwdt_shutdown,
.id_table = sbsa_gwdt_pdev_match,
};
projects / linux-2.6-block.git / commitdiff