gpio: 74x164: Remove non-DT support
Commit 20bc4d5d565159eb2b942bf4b7fae86fba94e32c
(gpio: 74x164: Add support for the daisy-chaining) introduce check
for DT for the driver, so driver cannot be used without DT.
There are no in-tree users of this driver, so remove non-DT support
completely.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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_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 @@
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 @@
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");