PATCH: SBC EPX does not check/claim I/O ports it uses

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

Signed-off-by: Alan Cox <alan@redhat.com>

Can't test this as I lack the hardware, can you check it seems right
Calin.

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc1/drivers/char/watchdog/sbc_epx_c3.c linux-2.6.16-rc1/drivers/char/watchdog/sbc_epx_c3.c
--- linux.vanilla-2.6.16-rc1/drivers/char/watchdog/sbc_epx_c3.c	2006-01-17 15:52:53.000000000 +0000
+++ linux-2.6.16-rc1/drivers/char/watchdog/sbc_epx_c3.c	2006-01-17 15:58:47.000000000 +0000
@@ -25,6 +25,7 @@
 #include <linux/notifier.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
+#include <linux/ioport.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
@@ -180,6 +181,9 @@
 static int __init watchdog_init(void)
 {
 	int ret;
+	
+	if (!request_region(EPXC3_WATCHDOG_CTL_REG, 2, "epxc3_watchdog"))
+		return -EBUSY;
 
 	ret = register_reboot_notifier(&epx_c3_notifier);
 	if (ret) {
@@ -205,6 +209,7 @@
 {
 	misc_deregister(&epx_c3_miscdev);
 	unregister_reboot_notifier(&epx_c3_notifier);
+	release_region(EPXC3_WATCHDOG_CTL_REG, 2);
 }
 
 module_init(watchdog_init);