Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.6 21/29] nvmem: release the write-protect pin | Date | Tue, 7 Apr 2020 12:22:18 +0200 |
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From: Khouloud Touil <ktouil@baylibre.com>
commit a9c3766cb19cdadf2776aba41b64470002645894 upstream.
Put the write-protect GPIO descriptor in nvmem_release() so that it can be automatically released when the associated device's reference count drops to 0.
Fixes: 2a127da461a9 ("nvmem: add support for the write-protect pin") Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Khouloud Touil <ktouil@baylibre.com> Cc: stable <stable@vger.kernel.org> [Bartosz: tweak the commit message] Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-8-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/nvmem/core.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -72,6 +72,7 @@ static void nvmem_release(struct device struct nvmem_device *nvmem = to_nvmem_device(dev); ida_simple_remove(&nvmem_ida, nvmem->id); + gpiod_put(nvmem->wp_gpio); kfree(nvmem); }
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