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-rw-r--r--drivers/gpio/Kconfig6
-rw-r--r--drivers/gpio/gpio-74x164.c14
2 files changed, 4 insertions, 16 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index ae3682d..4127f68 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -714,10 +714,10 @@ config GPIO_MC33880
config GPIO_74X164
tristate "74x164 serial-in/parallel-out 8-bits shift register"
- depends on SPI_MASTER
+ depends on SPI_MASTER && OF
help
- Platform driver for 74x164 compatible serial-in/parallel-out
- 8-outputs shift registers. This driver can be used to provide access
+ Driver for 74x164 compatible serial-in/parallel-out 8-outputs
+ shift registers. This driver can be used to provide access
to more gpio outputs.
comment "AC97 GPIO expanders:"
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index ddb8312..4d4e15c 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -12,7 +12,6 @@
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/spi/spi.h>
-#include <linux/spi/74x164.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
@@ -108,14 +107,8 @@ static int gen_74x164_direction_output(struct gpio_chip *gc,
static int gen_74x164_probe(struct spi_device *spi)
{
struct gen_74x164_chip *chip;
- struct gen_74x164_chip_platform_data *pdata;
int ret;
- if (!spi->dev.of_node) {
- dev_err(&spi->dev, "No device tree data available.\n");
- return -EINVAL;
- }
-
/*
* bits_per_word cannot be configured in platform data
*/
@@ -129,12 +122,6 @@ static int gen_74x164_probe(struct spi_device *spi)
if (!chip)
return -ENOMEM;
- pdata = dev_get_platdata(&spi->dev);
- if (pdata && pdata->base)
- chip->gpio_chip.base = pdata->base;
- else
- chip->gpio_chip.base = -1;
-
mutex_init(&chip->lock);
spi_set_drvdata(spi, chip);
@@ -145,6 +132,7 @@ static int gen_74x164_probe(struct spi_device *spi)
chip->gpio_chip.direction_output = gen_74x164_direction_output;
chip->gpio_chip.get = gen_74x164_get_value;
chip->gpio_chip.set = gen_74x164_set_value;
+ chip->gpio_chip.base = -1;
if (of_property_read_u32(spi->dev.of_node, "registers-number", &chip->registers)) {
dev_err(&spi->dev, "Missing registers-number property in the DT.\n");
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