drivers/rtc/rtc-hid-sensor-time.c: enable HID input processing early

Enable the processing of HID input records before the RTC will be
registered, in order to allow the RTC register function to read clock.
Without doing that the clock can only be read after the probe function
has finished.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/rtc/rtc-hid-sensor-time.c b/drivers/rtc/rtc-hid-sensor-time.c
index 1ba369043b8d..a34e5cfd2ab5 100644
--- a/drivers/rtc/rtc-hid-sensor-time.c
+++ b/drivers/rtc/rtc-hid-sensor-time.c
@@ -281,11 +281,18 @@ static int hid_time_probe(struct platform_device *pdev)
                 goto err_open;
         }
 
+        /*
+         * Enable HID input processing early in order to be able to read the
+         * clock already in devm_rtc_device_register().
+         */
+        hid_device_io_start(hsdev->hdev);
+
         time_state->rtc = devm_rtc_device_register(&pdev->dev,
                                         "hid-sensor-time", &hid_time_rtc_ops,
                                         THIS_MODULE);
 
         if (IS_ERR_OR_NULL(time_state->rtc)) {
+                hid_device_io_stop(hsdev->hdev);
                 ret = time_state->rtc ? PTR_ERR(time_state->rtc) : -ENODEV;
                 time_state->rtc = NULL;
                 dev_err(&pdev->dev, "rtc device register failed!\n");