diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-03-18 13:40:48 +0000 |
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committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-03-18 13:40:48 +0000 |
commit | cdb411af996a3620dc674e5314f3b499385a0650 (patch) | |
tree | fc03176ff0d31c934b0a2e41b9fff6b1683837fd /target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch | |
parent | 6cd2a38d9443178b42f390440413d91d5984a04c (diff) |
remove 2.6.34 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26229 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch b/target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch deleted file mode 100644 index 6bc2b12eb..000000000 --- a/target/linux/brcm47xx/patches-2.6.34/900-bcm47xx_wdt-noprescale.patch +++ /dev/null @@ -1,89 +0,0 @@ ---- a/drivers/watchdog/bcm47xx_wdt.c -+++ b/drivers/watchdog/bcm47xx_wdt.c -@@ -31,6 +31,7 @@ - - #define WDT_DEFAULT_TIME 30 /* seconds */ - #define WDT_MAX_TIME 255 /* seconds */ -+#define WDT_SHIFT 15 /* 32.768 KHz on cores with slow WDT clock */ - - static int wdt_time = WDT_DEFAULT_TIME; - static int nowayout = WATCHDOG_NOWAYOUT; -@@ -50,11 +51,11 @@ static unsigned long bcm47xx_wdt_busy; - static char expect_release; - static struct timer_list wdt_timer; - static atomic_t ticks; -+static int needs_sw_scale; - --static inline void bcm47xx_wdt_hw_start(void) -+static inline void bcm47xx_wdt_hw_start(u32 ticks) - { -- /* this is 2,5s on 100Mhz clock and 2s on 133 Mhz */ -- ssb_watchdog_timer_set(&ssb_bcm47xx, 0xfffffff); -+ ssb_watchdog_timer_set(&ssb_bcm47xx, ticks); - } - - static inline int bcm47xx_wdt_hw_stop(void) -@@ -65,33 +66,34 @@ static inline int bcm47xx_wdt_hw_stop(vo - static void bcm47xx_timer_tick(unsigned long unused) - { - if (!atomic_dec_and_test(&ticks)) { -- bcm47xx_wdt_hw_start(); -+ /* This is 2,5s on 100Mhz clock and 2s on 133 Mhz */ -+ bcm47xx_wdt_hw_start(0xfffffff); - mod_timer(&wdt_timer, jiffies + HZ); - } else { -- printk(KERN_CRIT DRV_NAME "Watchdog will fire soon!!!\n"); -+ printk(KERN_CRIT DRV_NAME ": Watchdog will fire soon!!!\n"); - } - } - --static inline void bcm47xx_wdt_pet(void) -+static void bcm47xx_wdt_pet(void) - { -- atomic_set(&ticks, wdt_time); -+ if(needs_sw_scale) -+ atomic_set(&ticks, wdt_time); -+ else -+ bcm47xx_wdt_hw_start(wdt_time << WDT_SHIFT); - } - - static void bcm47xx_wdt_start(void) - { - bcm47xx_wdt_pet(); -- bcm47xx_timer_tick(0); --} -- --static void bcm47xx_wdt_pause(void) --{ -- del_timer_sync(&wdt_timer); -- bcm47xx_wdt_hw_stop(); -+ if(needs_sw_scale) -+ bcm47xx_timer_tick(0); - } - - static void bcm47xx_wdt_stop(void) - { -- bcm47xx_wdt_pause(); -+ if(needs_sw_scale) -+ del_timer_sync(&wdt_timer); -+ bcm47xx_wdt_hw_stop(); - } - - static int bcm47xx_wdt_settimeout(int new_time) -@@ -243,7 +245,15 @@ static int __init bcm47xx_wdt_init(void) - if (bcm47xx_wdt_hw_stop() < 0) - return -ENODEV; - -- setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L); -+ /* FIXME Other cores */ -+ if(ssb_bcm47xx.chip_id == 0x5354) { -+ /* Slow WDT clock, no pre-scaling */ -+ needs_sw_scale = 0; -+ } else { -+ /* Fast WDT clock, needs software pre-scaling */ -+ needs_sw_scale = 1; -+ setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L); -+ } - - if (bcm47xx_wdt_settimeout(wdt_time)) { - bcm47xx_wdt_settimeout(WDT_DEFAULT_TIME); |