diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-03-25 15:47:46 +0200 |
|---|---|---|
| committer |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-03-26 18:37:18 +0100 |
| commit | 3c7469514dbe126a32d9d7452080570d89ff9d16 (patch) | |
| tree | 8ec1bfc7aaf9cfdd31862fc37c55c0e7a244380e | |
| parent | gpio: mockup: move the driver out of the IOMEM drivers section (diff) | |
| download | linux-dev-3c7469514dbe126a32d9d7452080570d89ff9d16.tar.xz linux-dev-3c7469514dbe126a32d9d7452080570d89ff9d16.zip | |
gpio: 74x164: Make use of device properties
ACPI-enabled platforms can use this device via unified device
properties API. Convert driver to support this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
| -rw-r--r-- | drivers/gpio/gpio-74x164.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index fb7b620763a2..5f91d7618909 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -14,6 +14,7 @@ #include <linux/spi/spi.h> #include <linux/gpio/driver.h> #include <linux/gpio/consumer.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/module.h> @@ -116,10 +117,9 @@ static int gen_74x164_probe(struct spi_device *spi) if (ret < 0) return ret; - if (of_property_read_u32(spi->dev.of_node, "registers-number", - &nregs)) { - dev_err(&spi->dev, - "Missing registers-number property in the DT.\n"); + ret = device_property_read_u32(&spi->dev, "registers-number", &nregs); + if (ret) { + dev_err(&spi->dev, "Missing 'registers-number' property.\n"); return -EINVAL; } |