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linux-watchdog 5.4-rc7 tag

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Merge tag 'linux-watchdog-5.4-rc7' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog fixes from Wim Van Sebroeck:

 - cpwd: fix build regression

 - pm8916_wdt: fix pretimeout registration flow

 - meson: Fix the wrong value of left time

 - imx_sc_wdt: Pretimeout should follow SCU firmware format

 - bd70528: Add MODULE_ALIAS to allow module auto loading

* tag 'linux-watchdog-5.4-rc7' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: bd70528: Add MODULE_ALIAS to allow module auto loading
  watchdog: imx_sc_wdt: Pretimeout should follow SCU firmware format
  watchdog: meson: Fix the wrong value of left time
  watchdog: pm8916_wdt: fix pretimeout registration flow
  watchdog: cpwd: fix build regression
This commit is contained in:
Linus Torvalds 2019-11-09 08:47:03 -08:00
commit 4aba1a7ed5
5 changed files with 28 additions and 8 deletions
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1
drivers/watchdog/bd70528_wdt.c
View File

@ -288,3 +288,4 @@ module_platform_driver(bd70528_wdt);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("BD70528 watchdog driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:bd70528-wdt");

8
drivers/watchdog/cpwd.c
View File

@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/timer.h>
#include <linux/compat.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/io.h>
@ -473,6 +474,11 @@ static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return 0;
}
static long cpwd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
return cpwd_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
}
static ssize_t cpwd_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
@ -497,7 +503,7 @@ static ssize_t cpwd_read(struct file *file, char __user *buffer,
static const struct file_operations cpwd_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = cpwd_ioctl,
.compat_ioctl = compat_ptr_ioctl,
.compat_ioctl = cpwd_compat_ioctl,
.open = cpwd_open,
.write = cpwd_write,
.read = cpwd_read,

8
drivers/watchdog/imx_sc_wdt.c
View File

@ -99,8 +99,14 @@ static int imx_sc_wdt_set_pretimeout(struct watchdog_device *wdog,
{
struct arm_smccc_res res;
/*
* SCU firmware calculates pretimeout based on current time
* stamp instead of watchdog timeout stamp, need to convert
* the pretimeout to SCU firmware's timeout value.
*/
arm_smccc_smc(IMX_SIP_TIMER, IMX_SIP_TIMER_SET_PRETIME_WDOG,
pretimeout * 1000, 0, 0, 0, 0, 0, &res);
(wdog->timeout - pretimeout) * 1000, 0, 0, 0,
0, 0, &res);
if (res.a0)
return -EACCES;

4
drivers/watchdog/meson_gxbb_wdt.c
View File

@ -89,8 +89,8 @@ static unsigned int meson_gxbb_wdt_get_timeleft(struct watchdog_device *wdt_dev)
reg = readl(data->reg_base + GXBB_WDT_TCNT_REG);
return ((reg >> GXBB_WDT_TCNT_CNT_SHIFT) -
(reg & GXBB_WDT_TCNT_SETUP_MASK)) / 1000;
return ((reg & GXBB_WDT_TCNT_SETUP_MASK) -
(reg >> GXBB_WDT_TCNT_CNT_SHIFT)) / 1000;
}
static const struct watchdog_ops meson_gxbb_wdt_ops = {

15
drivers/watchdog/pm8916_wdt.c
View File

@ -163,9 +163,17 @@ static int pm8916_wdt_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq > 0) {
if (devm_request_irq(dev, irq, pm8916_wdt_isr, 0, "pm8916_wdt",
wdt))
irq = 0;
err = devm_request_irq(dev, irq, pm8916_wdt_isr, 0,
"pm8916_wdt", wdt);
if (err)
return err;
wdt->wdev.info = &pm8916_wdt_pt_ident;
} else {
if (irq == -EPROBE_DEFER)
return -EPROBE_DEFER;
wdt->wdev.info = &pm8916_wdt_ident;
}
/* Configure watchdog to hard-reset mode */
@ -177,7 +185,6 @@ static int pm8916_wdt_probe(struct platform_device *pdev)
return err;
}
wdt->wdev.info = (irq > 0) ? &pm8916_wdt_pt_ident : &pm8916_wdt_ident,
wdt->wdev.ops = &pm8916_wdt_ops,
wdt->wdev.parent = dev;
wdt->wdev.min_timeout = PM8916_WDT_MIN_TIMEOUT;