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| author | Khouloud Touil <ktouil@baylibre.com> | 2020-03-10 13:22:50 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-19 07:41:03 +0100 |
| commit | a9c3766cb19cdadf2776aba41b64470002645894 (patch) | |
| tree | bc61d3afcf5e16f676fe28ce006cbd93cb19c9ae /drivers/nvmem/core.c | |
| parent | f7d8d7dcd978382dd1dd36e240dcddbfa6697796 (diff) | |
| download | lwn-a9c3766cb19cdadf2776aba41b64470002645894.tar.gz lwn-a9c3766cb19cdadf2776aba41b64470002645894.zip | |
nvmem: release the write-protect pin
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>
Diffstat (limited to 'drivers/nvmem/core.c')
| -rw-r--r-- | drivers/nvmem/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 2758d90d63b7..c05c4f4a7b9e 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); kfree(nvmem); } |