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[v3,3/4] ACPI / EC: Add support to handle EC events earlier

Message ID 344e4a55bac9c1cd53c95eba563cdeeeb23bd479.1502432974.git.lv.zheng@intel.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Lv Zheng Aug. 11, 2017, 6:36 a.m. UTC 
Now as GPE poller is implemented, EC driver is able to detect EC events
during suspend/resume noirq stages, we can try to move EC event handling
earlier without being worried about post-resume event stuck. This may help
to solve driver order issues during resume.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Tested-by: Tomislav Ivek <tomislav.ivek@gmail.com>
---
 drivers/acpi/ec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 5be62933..396e81d 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1016,7 +1016,9 @@  static void acpi_ec_start(struct acpi_ec *ec, bool resuming)
 		if (!resuming) {
 			acpi_ec_submit_request(ec);
 			ec_dbg_ref(ec, "Increase driver");
-		}
+		} else if (!ec_freeze_events &&
+			   ec_gpe_polling == ACPI_EC_GPE_POLL_RESUME)
+			__acpi_ec_enable_event(ec);
 		ec_log_drv("EC started");
 	}
 	spin_unlock_irqrestore(&ec->lock, flags);