This patch enables noirq stage GPE polling for the EC driver. EC is a very special driver, required to work throughout the entire suspend/resume process. Thus this patch enables IRQ polling for EC during noirq stages to avoid all kinds of possible issues.
If this commit is bisected to be a regression culprit, please report this to bugzilla.kernel.org for further investigation. Link: https://bugzilla.kernel.org/show_bug.cgi?id=196129 Signed-off-by: Lv Zheng <lv.zh...@intel.com> Tested-by: Tomislav Ivek <tomislav.i...@gmail.com> --- drivers/acpi/ec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 396e81d..8bba317 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -164,7 +164,7 @@ module_param(ec_polling_guard, uint, 0644); MODULE_PARM_DESC(ec_polling_guard, "Guard time(us) between EC accesses in polling modes"); static unsigned int ec_event_clearing __read_mostly = ACPI_EC_EVT_TIMING_QUERY; -static unsigned int ec_gpe_polling __read_mostly = ACPI_EC_GPE_POLL_NONE; +static unsigned int ec_gpe_polling __read_mostly = ACPI_EC_GPE_POLL_RESUME; /* * If the number of false interrupts per one transaction exceeds -- 2.7.4
