From: Nikita Travkin nikita@trvn.ru
[ Upstream commit cf73ed894ee939d6706d65e0cd186e4a64e3af6d ]
Since irq request is the last thing in the driver probe, it happens later than the input device registration. This means that there is a small time window where if the open method is called the driver will attempt to enable not yet available irq.
Fix that by moving the irq request before the input device registration.
Reviewed-by: Linus Walleij linus.walleij@linaro.org Fixes: 26822652c85e ("Input: add zinitix touchscreen driver") Signed-off-by: Nikita Travkin nikita@trvn.ru Link: https://lore.kernel.org/r/20220106072840.36851-2-nikita@trvn.ru Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/touchscreen/zinitix.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/input/touchscreen/zinitix.c b/drivers/input/touchscreen/zinitix.c index b8d901099378d..1e70b8d2a8d79 100644 --- a/drivers/input/touchscreen/zinitix.c +++ b/drivers/input/touchscreen/zinitix.c @@ -488,6 +488,15 @@ static int zinitix_ts_probe(struct i2c_client *client) return error; }
+ error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, zinitix_ts_irq_handler, + IRQF_ONESHOT | IRQF_NO_AUTOEN, + client->name, bt541); + if (error) { + dev_err(&client->dev, "Failed to request IRQ: %d\n", error); + return error; + } + error = zinitix_init_input_dev(bt541); if (error) { dev_err(&client->dev, @@ -513,15 +522,6 @@ static int zinitix_ts_probe(struct i2c_client *client) return -EINVAL; }
- error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, zinitix_ts_irq_handler, - IRQF_ONESHOT | IRQF_NO_AUTOEN, - client->name, bt541); - if (error) { - dev_err(&client->dev, "Failed to request IRQ: %d\n", error); - return error; - } - return 0; }