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Date:   Mon, 17 Feb 2020 14:52:45 +0100
From:   Khouloud Touil <>
        Khouloud Touil <>
Subject: [PATCH] nvmem: release the write-protect pin

Implement the auto-release of the write-protect pin that when the
registration fails, it's auto-released.

Fixes: 2a127da461a9 ("nvmem: add support for the write-protect pin")
Signed-off-by: Khouloud Touil <>
 drivers/nvmem/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index ef326f243f36..5f1988498d75 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -72,6 +72,7 @@ static void nvmem_release(struct device *dev)
 	struct nvmem_device *nvmem = to_nvmem_device(dev);
 	ida_simple_remove(&nvmem_ida, nvmem->id);
+	gpiod_put(nvmem->wp_gpio);

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