disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable because of requesting.
Signed-off-by: Barry Song song.bao.hua@hisilicon.com --- drivers/input/touchscreen/atmel_mxt_ts.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 383a848eb601..3c837c7b24b3 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3156,15 +3156,14 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) }
error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, mxt_interrupt, IRQF_ONESHOT, + NULL, mxt_interrupt, + IRQF_ONESHOT | IRQF_NO_AUTOEN, client->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); return error; }
- disable_irq(client->irq); - error = regulator_bulk_enable(ARRAY_SIZE(data->regulators), data->regulators); if (error) {