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fixes ifxmips wdt driver

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SVN-Revision: 9931
This commit is contained in:
John Crispin
2007-12-26 19:52:33 +00:00
parent 32a37816c3
commit 8c17d160b3
1 changed files with 28 additions and 17 deletions
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45
target/linux/ifxmips/files/drivers/char/watchdog/ifxmips_wdt.c
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@@ -23,9 +23,11 @@
#include <linux/proc_fs.h> #include <linux/proc_fs.h>
#include <linux/ioctl.h> #include <linux/ioctl.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>
#include <linux/miscdevice.h>
#include <asm-mips/ifxmips/ifxmips_wdt.h> #include <asm-mips/ifxmips/ifxmips_wdt.h>
#include <asm-mips/ifxmips/ifxmips.h> #include <asm-mips/ifxmips/ifxmips.h>
#include <linux/platform_device.h>
#define DRVNAME "ifxmips_wdt" #define DRVNAME "ifxmips_wdt"
@@ -251,28 +253,32 @@ ifxmips_wdt_register_proc_read (char *buf, char **start, off_t offset, int count
return len; return len;
} }
static struct file_operations wdt_fops = { static const struct file_operations ifxmips_wdt_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.ioctl = ifxmips_wdt_ioctl, .llseek = no_llseek,
.open = ifxmips_wdt_open, .ioctl = ifxmips_wdt_ioctl,
.release = ifxmips_wdt_release, .open = ifxmips_wdt_open,
.release = ifxmips_wdt_release,
// .write = at91_wdt_write,
}; };
static struct miscdevice ifxmips_wdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "ifxmips_wdt",
.fops = &ifxmips_wdt_fops,
};
static int static int
ifxmips_wdt_probe (struct platform_device *pdev) ifxmips_wdt_probe (struct platform_device *pdev)
{ {
ifxmips_wdt_major = register_chrdev(0, "wdt", &wdt_fops); int ret = misc_register(&ifxmips_wdt_miscdev);
if (ret)
return ret;
if (ifxmips_wdt_major < 0) create_proc_read_entry(DRVNAME, 0, NULL, ifxmips_wdt_register_proc_read, NULL);
{
printk("cannot register watchdog device\n");
return -EINVAL; printk(KERN_INFO DRVNAME ": ifxmips watchdog loaded\n");
}
create_proc_read_entry("ifxmips_wdt", 0, NULL, ifxmips_wdt_register_proc_read, NULL);
printk("ifxmips watchdog loaded\n");
return 0; return 0;
} }
@@ -280,7 +286,7 @@ ifxmips_wdt_probe (struct platform_device *pdev)
static int static int
ifxmips_wdt_remove (struct platform_device *pdev) ifxmips_wdt_remove (struct platform_device *pdev)
{ {
unregister_chrdev(ifxmips_wdt_major, "wdt"); misc_deregister(&ifxmips_wdt_miscdev);
remove_proc_entry(DRVNAME, NULL); remove_proc_entry(DRVNAME, NULL);
return 0; return 0;
} }
@@ -312,3 +318,8 @@ ifxmips_wdt_cleanup_module (void)
module_init(ifxmips_wdt_init_module); module_init(ifxmips_wdt_init_module);
module_exit(ifxmips_wdt_cleanup_module); module_exit(ifxmips_wdt_cleanup_module);
MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
MODULE_DESCRIPTION("Watchdog driver for infineon ifxmips family");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);