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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-25 14:47:46 +0100
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2019-03-26 18:37:18 +0100
commit3c7469514dbe126a32d9d7452080570d89ff9d16 (patch)
tree8ec1bfc7aaf9cfdd31862fc37c55c0e7a244380e /drivers/gpio/gpio-74x164.c
parentgpio: mockup: move the driver out of the IOMEM drivers section (diff)
downloadlinux-3c7469514dbe126a32d9d7452080570d89ff9d16.tar.xz
linux-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>
Diffstat (limited to 'drivers/gpio/gpio-74x164.c')
-rw-r--r--drivers/gpio/gpio-74x164.c8
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;
}