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ar7: clocks setup (prerequisite for dsl/usb) and misc cleanups.

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6693 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
ejka
2007-03-25 05:42:16 +00:00
parent 4c28b37535
commit d92ab4b98c
9 changed files with 437 additions and 57 deletions
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9
target/linux/ar7-2.6/files/drivers/char/watchdog/ar7_wdt.c
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@@ -70,9 +70,6 @@ typedef struct {
static struct semaphore open_semaphore;
static unsigned expect_close;
/* XXX correct? assumed to be sysfreq/2. get this dynamically ... */
#define vbus_freq (ar7_bus_freq() / 2)
/* XXX currently fixed, allows max margin ~68.72 secs */
#define prescale_value 0xFFFF
@@ -143,14 +140,14 @@ static void ar7_wdt_update_margin(int new_margin)
{
u32 change;
change = new_margin * (vbus_freq / prescale_value);
change = new_margin * (ar7_vbus_freq() / prescale_value);
if (change < 1) change = 1;
if (change > 0xFFFF) change = 0xFFFF;
ar7_wdt_change(change);
margin = change * prescale_value / vbus_freq;
margin = change * prescale_value / ar7_vbus_freq();
printk(KERN_INFO DRVNAME
": timer margin %d seconds (prescale %d, change %d, freq %d)\n",
margin, prescale_value, change, vbus_freq);
margin, prescale_value, change, ar7_vbus_freq());
}
static void ar7_wdt_enable_wdt(void)