diff options
Diffstat (limited to 'drivers/platform/chrome/cros_ec_lpc.c')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_lpc.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c index 7fc8f82280ac..68bba0fcafab 100644 --- a/drivers/platform/chrome/cros_ec_lpc.c +++ b/drivers/platform/chrome/cros_ec_lpc.c @@ -21,6 +21,7 @@ #include <linux/platform_data/cros_ec_proto.h> #include <linux/platform_device.h> #include <linux/printk.h> +#include <linux/reboot.h> #include <linux/suspend.h> #include "cros_ec.h" @@ -320,6 +321,15 @@ static void cros_ec_lpc_acpi_notify(acpi_handle device, u32 value, void *data) ec_dev->last_event_time = cros_ec_get_time_ns(); + if (value == ACPI_NOTIFY_CROS_EC_PANIC) { + dev_emerg(ec_dev->dev, "CrOS EC Panic Reported. Shutdown is imminent!"); + blocking_notifier_call_chain(&ec_dev->panic_notifier, 0, ec_dev); + /* Begin orderly shutdown. Force shutdown after 1 second. */ + hw_protection_shutdown("CrOS EC Panic", 1000); + /* Do not query for other events after a panic is reported */ + return; + } + if (ec_dev->mkbp_event_supported) do { ret = cros_ec_get_next_event(ec_dev, NULL, @@ -340,7 +350,7 @@ static int cros_ec_lpc_probe(struct platform_device *pdev) struct acpi_device *adev; acpi_status status; struct cros_ec_device *ec_dev; - u8 buf[2]; + u8 buf[2] = {}; int irq, ret; /* |