This is a note to let you know that I've just added the patch titled
iio: adis: set GPIO reset pin direction
to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-linus 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 hopefully also be merged in Linus's tree for the next -rc kernel release.
If you have any questions about this process, please let me know.
From 7e77ef8b8d600cf8448a2bbd32f682c28884551f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antti=20Ker=C3=A4nen?= detegr@rbx.email Date: Thu, 8 Jul 2021 12:54:29 +0300 Subject: iio: adis: set GPIO reset pin direction MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
Set reset pin direction to output as the reset pin needs to be an active low output pin.
Co-developed-by: Hannu Hartikainen hannu@hrtk.in Signed-off-by: Hannu Hartikainen hannu@hrtk.in Signed-off-by: Antti Keränen detegr@rbx.email Reviewed-by: Nuno Sá nuno.sa@analog.com Fixes: ecb010d44108 ("iio: imu: adis: Refactor adis_initial_startup") Link: https://lore.kernel.org/r/20210708095425.13295-1-detegr@rbx.email Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com --- drivers/iio/imu/adis.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c index a5b421f42287..b9a06ca29bee 100644 --- a/drivers/iio/imu/adis.c +++ b/drivers/iio/imu/adis.c @@ -411,12 +411,11 @@ int __adis_initial_startup(struct adis *adis) int ret;
/* check if the device has rst pin low */ - gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_ASIS); + gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(gpio)) return PTR_ERR(gpio);
if (gpio) { - gpiod_set_value_cansleep(gpio, 1); msleep(10); /* bring device out of reset */ gpiod_set_value_cansleep(gpio, 0);