gpio: 74x164: Make use of device properties (3c746951) · Commits · 戴 / test

ACPI-enabled platforms can use this device via unified device properties API. Convert driver to support this. Signed-off-by:

drivers/gpio/gpio-74x164.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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;
		}