This is a note to let you know that I've just added the patch titled
nvmem: release the write-protect pin
to my char-misc git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git in the char-misc-testing branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will be merged to the char-misc-next branch sometime soon, after it passes testing, and the merge window is open.
If you have any questions about this process, please let me know.
From 6f57cbd7ce40323eacf542392bfa70ff2cb42c2a Mon Sep 17 00:00:00 2001
From: Khouloud Touil ktouil@baylibre.com Date: Tue, 10 Mar 2020 13:22:50 +0000 Subject: 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.... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/nvmem/core.c | 1 + 1 file changed, 1 insertion(+)
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); }