FAILED: patch "[PATCH] iio: light: ltr501: Power down chip if request irq fails" failed to apply to 5.15-stable tree

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 8a9bcd587d7d768e6c8e9fff88bb89645e412731
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '[email protected]' --subject-prefix 'PATCH 5.15.y' 'HEAD^..'

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 8a9bcd587d7d768e6c8e9fff88bb89645e412731 Mon Sep 17 00:00:00 2001
From: Esben Haabendal <[email protected]>
Date: Mon, 17 Aug 2026 19:08:53 +0200
Subject: [PATCH] iio: light: ltr501: Power down chip if request irq fails

In case devm_request_threaded_irq() failed, we were leaving the chip powered instead of powering it down again. Power down the chip switching ALS and PS modes to standby.

---
 drivers/iio/light/ltr501.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index fa0d16890c8bf..b36bd10a02624 100644
@@ -1538,7 +1538,7 @@ static int ltr501_probe(struct i2c_client *client)
 						"ltr501_thresh_event",
 						indio_dev);
 		if (ret)
-			return ret;
+			goto powerdown_on_error;
 	} else {
 		indio_dev->info = data->chip_info->info_no_irq;
 	}

2.53.0

From: Esben Haabendal <[email protected]>

[ Upstream commit 8a9bcd587d7d768e6c8e9fff88bb89645e412731 ]

In case devm_request_threaded_irq() failed, we were leaving the chip powered instead of powering it down again. Power down the chip switching ALS and PS modes to standby.

---
 drivers/iio/light/ltr501.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index f0bd0ad34f222..a5275165d7fe2 100644
@@ -1510,7 +1510,7 @@ static int ltr501_probe(struct i2c_client *client,
 		if (ret) {
 			dev_err(&client->dev, "request irq (%d) failed\n",
 				client->irq);
-			return ret;
+			goto powerdown_on_error;
 		}
 	} else {
 		indio_dev->info = data->chip_info->info_no_irq;

2.53.0