From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Jonathan Cameron <jic23@kernel.org>,
linux-iio@vger.kernel.org, Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 3/5] iio: pressure: bmp280: Explicitly mark GPIO optional
Date: Tue, 17 Mar 2020 12:18:11 +0200 [thread overview]
Message-ID: <20200317101813.30829-3-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20200317101813.30829-1-andriy.shevchenko@linux.intel.com>
Show by using a corresponding API call that GPIO is optional.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/iio/pressure/bmp280-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 25be3ff1a6ab..6c2e47d92a11 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -1080,9 +1080,9 @@ int bmp280_common_probe(struct device *dev,
usleep_range(data->start_up_time, data->start_up_time + 100);
/* Bring chip out of reset if there is an assigned GPIO line */
- gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
/* Deassert the signal */
- if (!IS_ERR(gpiod)) {
+ if (gpiod) {
dev_info(dev, "release reset\n");
gpiod_set_value(gpiod, 0);
}
--
2.25.1
next prev parent reply other threads:[~2020-03-17 10:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-17 10:18 [PATCH v1 1/5] iio: pressure: bmp280: Tolerate IRQ before registering Andy Shevchenko
2020-03-17 10:18 ` [PATCH v1 2/5] iio: pressure: bmp280: Use IIO_DEVICE_ATTR_RO macro Andy Shevchenko
2020-03-22 17:16 ` Jonathan Cameron
2020-03-22 21:17 ` Andy Shevchenko
2020-03-23 9:38 ` Jonathan Cameron
2020-03-17 10:18 ` Andy Shevchenko [this message]
2020-03-17 10:18 ` [PATCH v1 4/5] iio: pressure: bmp280: Drop unneeded explicit castings Andy Shevchenko
2020-03-22 17:21 ` Jonathan Cameron
2020-03-22 21:20 ` Andy Shevchenko
2020-03-17 10:18 ` [PATCH v1 5/5] iio: pressure: bmp280: Join string literals back Andy Shevchenko
2020-03-22 17:12 ` [PATCH v1 1/5] iio: pressure: bmp280: Tolerate IRQ before registering Jonathan Cameron
2020-03-22 21:15 ` Andy Shevchenko
2020-03-23 9:40 ` Jonathan Cameron
2020-03-23 10:08 ` Andy Shevchenko
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