From de4c4d35e17830170dba6aa1b3b025d93a7b3302 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sun, 27 May 2012 15:01:09 +0000 Subject: linux/3.1: R.I.P. SVN-Revision: 31891 --- ...2-mpcore_wdt_fix_watchdog_counter_loading.patch | 64 ---------------------- 1 file changed, 64 deletions(-) delete mode 100644 target/linux/generic/patches-3.1/992-mpcore_wdt_fix_watchdog_counter_loading.patch (limited to 'target/linux/generic/patches-3.1/992-mpcore_wdt_fix_watchdog_counter_loading.patch') diff --git a/target/linux/generic/patches-3.1/992-mpcore_wdt_fix_watchdog_counter_loading.patch b/target/linux/generic/patches-3.1/992-mpcore_wdt_fix_watchdog_counter_loading.patch deleted file mode 100644 index 17e855028a..0000000000 --- a/target/linux/generic/patches-3.1/992-mpcore_wdt_fix_watchdog_counter_loading.patch +++ /dev/null @@ -1,64 +0,0 @@ -Although the commit "98af057092f8f0dabe63c5df08adc2bbfbddb1d2 - ARM: 6126/1: ARM mpcore_wdt: fix build failure and other fixes" -resolved long standing mpcore_wdt driver build problems, it -introduced an error in the relationship between the MPcore watchdog -timer clock rate and mpcore_margin, "MPcore timer margin in seconds", -such that watchdog timeouts are now arbitrary rather than the number -of seconds specified by mpcore_margin. - -This change restores mpcore_wdt_keepalive() to its equivalent -implementation prior to commit 98af057 such that watchdog timeouts now -occur as specified by mpcore_margin. - -The variable 'mpcore_timer_rate' which caused that build failure was -replaced by 'twd_timer_rate'. Adding exported function to obtain -'twd_timer_rate' value in mpcore_wdt driver. - -MPCORE_WATCHDOG needed to build 'mpcore_wdt' already depends on -HAVE_ARM_TWD needed to build 'smp_twd', so from the point of view of -'mpcore_wdt' driver the exported function will always exist. - -Signed-off-by: Valentine Barshak -Signed-off-by: Vitaly Kuzmichev ---- - - arch/arm/include/asm/smp_twd.h | 1 + - arch/arm/kernel/smp_twd.c | 7 +++++++ - drivers/watchdog/mpcore_wdt.c | 4 +--- - 3 files changed, 9 insertions(+), 3 deletions(-) - ---- a/arch/arm/include/asm/smp_twd.h -+++ b/arch/arm/include/asm/smp_twd.h -@@ -24,5 +24,6 @@ extern void __iomem *twd_base; - - int twd_timer_ack(void); - void twd_timer_setup(struct clock_event_device *); -+unsigned long twd_timer_get_rate(void); - - #endif ---- a/arch/arm/kernel/smp_twd.c -+++ b/arch/arm/kernel/smp_twd.c -@@ -142,3 +142,10 @@ void __cpuinit twd_timer_setup(struct cl - /* Make sure our local interrupt controller has this enabled */ - gic_enable_ppi(clk->irq); - } -+ -+/* Needed by mpcore_wdt */ -+unsigned long twd_timer_get_rate(void) -+{ -+ return twd_timer_rate; -+} -+EXPORT_SYMBOL_GPL(twd_timer_get_rate); ---- a/drivers/watchdog/mpcore_wdt.c -+++ b/drivers/watchdog/mpcore_wdt.c -@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct - - spin_lock(&wdt_lock); - /* Assume prescale is set to 256 */ -- count = __raw_readl(wdt->base + TWD_WDOG_COUNTER); -- count = (0xFFFFFFFFU - count) * (HZ / 5); -- count = (count / 256) * mpcore_margin; -+ count = (twd_timer_get_rate() / 256) * mpcore_margin; - - /* Reload the counter */ - writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD); -- cgit v1.2.3