[PATCH 3/3] Input: ads7846 - do not attempt IRQ workaround when deferring probe

From: Dmitry Torokhov
Date: Fri Sep 10 2021 - 00:51:41 EST


When request_irq() returns -EPORBE_DEFER we should abort probe and try
again later instead of trying to engage IRQ trigger workaround.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/input/touchscreen/ads7846.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 0f973351bc67..a25a77dd9a32 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -1361,7 +1361,7 @@ static int ads7846_probe(struct spi_device *spi)
err = devm_request_threaded_irq(dev, spi->irq,
ads7846_hard_irq, ads7846_irq,
irq_flags, dev->driver->name, ts);
- if (err && !pdata->irq_flags) {
+ if (err && err != -EPROBE_DEFER && !pdata->irq_flags) {
dev_info(dev,
"trying pin change workaround on irq %d\n", spi->irq);
irq_flags |= IRQF_TRIGGER_RISING;
--
2.33.0.309.g3052b89438-goog