ar71xx: drop target

[openwrt/openwrt.git] / target / linux / ar71xx / patches-4.14 / 451-gpio-74x164-improve-platform-device-support.patch

diff --git a/target/linux/ar71xx/patches-4.14/451-gpio-74x164-improve-platform-device-support.patch b/target/linux/ar71xx/patches-4.14/451-gpio-74x164-improve-platform-device-support.patch
deleted file mode 100644 (file)
index b3c990c..0000000
--- a/target/linux/ar71xx/patches-4.14/451-gpio-74x164-improve-platform-device-support.patch
+++ /dev/null
@@ -1,119 +0,0 @@
---- a/drivers/gpio/gpio-74x164.c
-+++ b/drivers/gpio/gpio-74x164.c
-@@ -13,6 +13,7 @@
- #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>
-@@ -105,9 +106,16 @@ static int gen_74x164_direction_output(s
- static int gen_74x164_probe(struct spi_device *spi)
- {
-       struct gen_74x164_chip *chip;
-+      struct gen_74x164_chip_platform_data *pdata = spi->dev.platform_data;
-+      struct device_node *np = spi->dev.of_node;
-       u32 nregs;
-       int ret;
- 
-+      if (!np && !pdata) {
-+              dev_err(&spi->dev, "No configuration data available.\n");
-+              return -EINVAL;
-+      }
-+
-       /*
-        * bits_per_word cannot be configured in platform data
-        */
-@@ -117,12 +125,15 @@ static int gen_74x164_probe(struct spi_d
-       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");
--              return -EINVAL;
--      }
-+      if (np) {
-+              if (of_property_read_u32(np, "registers-number", &nregs)) {
-+                      dev_err(&spi->dev,
-+                              "Missing registers-number property in the DT.\n");
-+                      return -EINVAL;
-+              }
-+      } else if (pdata) {
-+              nregs = pdata->num_registers;
-+      }
- 
-       chip = devm_kzalloc(&spi->dev, sizeof(*chip) + nregs, GFP_KERNEL);
-       if (!chip)
-@@ -142,7 +153,11 @@ static int gen_74x164_probe(struct spi_d
-       chip->gpio_chip.get = gen_74x164_get_value;
-       chip->gpio_chip.set = gen_74x164_set_value;
-       chip->gpio_chip.set_multiple = gen_74x164_set_multiple;
--      chip->gpio_chip.base = -1;
-+      if (np)
-+              chip->gpio_chip.base = -1;
-+      else if (pdata)
-+              chip->gpio_chip.base = pdata->base;
-+
- 
-       chip->registers = nregs;
-       chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers;
-@@ -151,6 +166,9 @@ static int gen_74x164_probe(struct spi_d
-       chip->gpio_chip.parent = &spi->dev;
-       chip->gpio_chip.owner = THIS_MODULE;
- 
-+      if (pdata && pdata->init_data)
-+              memcpy(chip->buffer, pdata->init_data, chip->registers);
-+
-       mutex_init(&chip->lock);
- 
-       ret = __gen_74x164_write_config(chip);
-@@ -180,17 +198,19 @@ static int gen_74x164_remove(struct spi_
-       return 0;
- }
- 
-+#ifdef CONFIG_OF
- static const struct of_device_id gen_74x164_dt_ids[] = {
-       { .compatible = "fairchild,74hc595" },
-       { .compatible = "nxp,74lvc594" },
-       {},
- };
- MODULE_DEVICE_TABLE(of, gen_74x164_dt_ids);
-+#endif
- 
- static struct spi_driver gen_74x164_driver = {
-       .driver = {
-               .name           = "74x164",
--              .of_match_table = gen_74x164_dt_ids,
-+              .of_match_table = of_match_ptr(gen_74x164_dt_ids),
-       },
-       .probe          = gen_74x164_probe,
-       .remove         = gen_74x164_remove,
---- /dev/null
-+++ b/include/linux/spi/74x164.h
-@@ -0,0 +1,13 @@
-+#ifndef LINUX_SPI_74X164_H
-+#define LINUX_SPI_74X164_H
-+
-+struct gen_74x164_chip_platform_data {
-+      /* number assigned to the first GPIO */
-+      unsigned        base;
-+      /* number of chained registers */
-+      unsigned        num_registers;
-+      /* address of a buffer containing initial data */
-+      u8              *init_data;
-+};
-+
-+#endif
---- a/drivers/gpio/Kconfig
-+++ b/drivers/gpio/Kconfig
-@@ -1252,7 +1252,6 @@ menu "SPI GPIO expanders"
- 
- config GPIO_74X164
-       tristate "74x164 serial-in/parallel-out 8-bits shift register"
--      depends on OF_GPIO
-       help
-         Driver for 74x164 compatible serial-in/parallel-out 8-outputs
-         shift registers. This driver can be used to provide access