提交 4194db10 编写于 作者: W Wim Van Sebroeck

[WATCHDOG] Mixcom Watchdog - checkcard

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: NWim Van Sebroeck <wim@iguana.be>
上级 63e6e17e
......@@ -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;
......@@ -242,12 +226,15 @@ 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;
}
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册