[PATCH v3 03/12] Input: atmel_mxt_ts - request_irq by IRQF_NO_AUTOEN and remove disable_irq

Barry Song
2021-01-07T22:45:44Z

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) {
--
2.25.1