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[WATCHDOG] Mixcom Watchdog - checkcard

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Simplify the mixcomwd_checkcard and flashcom_checkcard
functions to one checkcard function as part of the
port to an isa watchdog device driver.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2007-06-03 19:01:38 +00:00
parent 63e6e17ead
commit 4194db10fa
1 changed files with 11 additions and 24 deletions
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33
drivers/char/watchdog/mixcomwd.c
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@ -217,23 +217,7 @@ static struct miscdevice mixcomwd_miscdev=
.fops = &mixcomwd_fops,
};
static int __init mixcomwd_checkcard(int port)
{
int id;
if (!request_region(port, 1, "MixCOM watchdog")) {
return 0;
}
id=inb_p(port) & 0x3f;
if(id!=MIXCOM_ID) {
release_region(port, 1);
return 0;
}
return port;
}
static int __init flashcom_checkcard(int port)
static int __init checkcard(int port, int card_id)
{
int id;
@ -242,11 +226,14 @@ static int __init flashcom_checkcard(int port)
}
id=inb_p(port);
if(id!=FLASHCOM_ID) {
if (card_id==MIXCOM_ID)
id &= 0x3f;
if (id!=card_id) {
release_region(port, 1);
return 0;
}
return port;
return 1;
}
static int __init mixcomwd_init(void)
@ -256,17 +243,17 @@ static int __init mixcomwd_init(void)
int found=0;
for (i = 0; !found && mixcomwd_ioports[i] != 0; i++) {
watchdog_port = mixcomwd_checkcard(mixcomwd_ioports[i]);
if (watchdog_port) {
if (checkcard(mixcomwd_ioports[i], MIXCOM_ID)) {
found = 1;
watchdog_port = mixcomwd_ioports[i];
}
}
/* The FlashCOM card can be set up at 0x304 -> 0x37c, in 0x8 jumps */
for (i = 0x304; !found && i < 0x380; i+=0x8) {
watchdog_port = flashcom_checkcard(i);
if (watchdog_port) {
if (checkcard(i, FLASHCOM_ID)) {
found = 1;
watchdog_port = i;
}
}