OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[WATCHDOG] w83697hf/hg WDT driver - autodetect patch 

Change the autodetect code so that it is more generic.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2006-09-15 17:59:07 +02:00
parent 3fdee8db01
commit e223f01a82
1 changed files with 17 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/char/watchdog/w83697hf_wdt.c
View File

@ -369,33 +369,35 @@ w83697hf_check_wdt(void)
return -EIO;
}
static int w83697hf_ioports[] = { 0x2e, 0x4e, 0x00 };
static int __init
wdt_init(void)
{
int ret, autodetect;
int ret, i, found = 0;
spin_lock_init(&io_lock);
printk (KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
autodetect = wdt_io == 0;
if (autodetect)
wdt_io = 0x2e;
if (!w83697hf_check_wdt())
goto found;
if (autodetect) {
wdt_io = 0x4e;
if (wdt_io == 0) {
/* we will autodetect the W83697HF/HG watchdog */
for (i = 0; ((!found) && (w83697hf_ioports[i] != 0)); i++) {
wdt_io = w83697hf_ioports[i];
if (!w83697hf_check_wdt())
found++;
}
} else {
if (!w83697hf_check_wdt())
goto found;
found++;
}
printk (KERN_ERR PFX "No W83697HF/HG could be found\n");
ret = -EIO;
goto out;
if (!found) {
printk (KERN_ERR PFX "No W83697HF/HG could be found\n");
ret = -EIO;
goto out;
}
found:
w83697hf_init();
wdt_disable(); /* Disable watchdog until first use */