diff options
Diffstat (limited to 'drivers/watchdog/tegra_wdt.c')
| -rw-r--r-- | drivers/watchdog/tegra_wdt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c index d83adeff021e..59a410038569 100644 --- a/drivers/watchdog/tegra_wdt.c +++ b/drivers/watchdog/tegra_wdt.c @@ -157,6 +157,11 @@ static irqreturn_t tegra_wdt_interrupt(int irq, void *dev_id) #define PMC_RST_STATUS 0x1b4 struct tegra_wdt *tegra_wdt[MAX_NR_CPU_WDT]; +/* + * In order to generate the stack dump for the CPU which has IRQ off, we must + * use the FIQ. TEGRA WDT can generate the FIQ if we do not ACK the IRQ. + */ +bool wdt_nmi_ack_off; static inline void tegra_wdt_ping(struct tegra_wdt *wdt) { @@ -170,7 +175,8 @@ static inline void tegra_wdt_ping(struct tegra_wdt *wdt) #if !defined(CONFIG_TRUSTED_FOUNDATIONS) && \ defined(CONFIG_ARCH_TEGRA_12x_SOC) && defined(CONFIG_FIQ_DEBUGGER) - writel(WDT_CMD_START_COUNTER, wdt->wdt_avp_source + WDT_CMD); + if (wdt_nmi_ack_off == false) + writel(WDT_CMD_START_COUNTER, wdt->wdt_avp_source + WDT_CMD); #endif } |