[WATCHDOG] Mixcom Watchdog - get rid of port offset's
Get rid of the port offset's used for the
mixcom and flashcom watchdog devices.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index df5fc76..b614a5f 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -54,12 +54,19 @@
#include <asm/uaccess.h>
#include <asm/io.h>
-static int mixcomwd_ioports[] = { 0x180, 0x280, 0x380, 0x000 };
-
-#define MIXCOM_WATCHDOG_OFFSET 0xc10
+/*
+ * We have two types of cards that can be probed:
+ * 1) The Mixcom cards: these cards can be found at addresses
+ * 0x180, 0x280, 0x380 with an additional offset of 0xc10.
+ * (Or 0xd90, 0xe90, 0xf90).
+ * 2) The FlashCOM cards: these cards can be set up at
+ * 0x300 -> 0x378, in 0x8 jumps with an offset of 0x04.
+ * (Or 0x304 -> 0x37c in 0x8 jumps).
+ * Each card has it's own ID.
+ */
#define MIXCOM_ID 0x11
-#define FLASHCOM_WATCHDOG_OFFSET 0x4
#define FLASHCOM_ID 0x18
+static int mixcomwd_ioports[] = { 0xd90, 0xe90, 0xf90, 0x000 };
static void mixcomwd_timerfun(unsigned long d);
@@ -214,7 +221,6 @@
{
int id;
- port += MIXCOM_WATCHDOG_OFFSET;
if (!request_region(port, 1, "MixCOM watchdog")) {
return 0;
}
@@ -231,7 +237,6 @@
{
int id;
- port += FLASHCOM_WATCHDOG_OFFSET;
if (!request_region(port, 1, "MixCOM watchdog")) {
return 0;
}
@@ -257,8 +262,8 @@
}
}
- /* The FlashCOM card can be set up at 0x300 -> 0x378, in 0x8 jumps */
- for (i = 0x300; !found && i < 0x380; i+=0x8) {
+ /* 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) {
found = 1;