ipq806x: drop gpio export patch

The hack isn't used by any board.

Signed-off-by: Mathias Kresin <dev@kresin.me>

diff --git a/target/linux/ipq806x/patches-4.14/0066-GPIO-add-named-gpio-exports.patch b/target/linux/ipq806x/patches-4.14/0066-GPIO-add-named-gpio-exports.patch
deleted file mode 100644 (file)
index 026816d..0000000
--- a/target/linux/ipq806x/patches-4.14/0066-GPIO-add-named-gpio-exports.patch
+++ /dev/null
@@ -1,166 +0,0 @@
-From a37b0c9113647b2120cf1a18cfc46afdb3f1fccc Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Tue, 12 Aug 2014 20:49:27 +0200
-Subject: [PATCH 66/69] GPIO: add named gpio exports
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/gpio/gpiolib-of.c     | 68 +++++++++++++++++++++++++++++++++++++++++++
- drivers/gpio/gpiolib-sysfs.c  | 10 ++++++-
- include/asm-generic/gpio.h    |  6 ++++
- include/linux/gpio/consumer.h |  8 +++++
- 4 files changed, 91 insertions(+), 1 deletion(-)
-
---- a/drivers/gpio/gpiolib-of.c
-+++ b/drivers/gpio/gpiolib-of.c
-@@ -23,6 +23,8 @@
- #include <linux/pinctrl/pinctrl.h>
- #include <linux/slab.h>
- #include <linux/gpio/machine.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
- 
- #include "gpiolib.h"
- 
-@@ -506,3 +508,69 @@ void of_gpiochip_remove(struct gpio_chip
-       gpiochip_remove_pin_ranges(chip);
-       of_node_put(chip->of_node);
- }
-+
-+static struct of_device_id gpio_export_ids[] = {
-+      { .compatible = "gpio-export" },
-+      { /* sentinel */ }
-+};
-+
-+static int __init of_gpio_export_probe(struct platform_device *pdev)
-+{
-+      struct device_node *np = pdev->dev.of_node;
-+      struct device_node *cnp;
-+      u32 val;
-+      int nb = 0;
-+
-+      for_each_child_of_node(np, cnp) {
-+              const char *name = NULL;
-+              int gpio;
-+              bool dmc;
-+              int max_gpio = 1;
-+              int i;
-+
-+              of_property_read_string(cnp, "gpio-export,name", &name);
-+
-+              if (!name)
-+                      max_gpio = of_gpio_count(cnp);
-+
-+              for (i = 0; i < max_gpio; i++) {
-+                      unsigned flags = 0;
-+                      enum of_gpio_flags of_flags;
-+
-+                      gpio = of_get_gpio_flags(cnp, i, &of_flags);
-+
-+                      if (of_flags == OF_GPIO_ACTIVE_LOW)
-+                              flags |= GPIOF_ACTIVE_LOW;
-+
-+                      if (!of_property_read_u32(cnp, "gpio-export,output", &val))
-+                              flags |= val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
-+                      else
-+                              flags |= GPIOF_IN;
-+
-+                      if (devm_gpio_request_one(&pdev->dev, gpio, flags, name ? name : of_node_full_name(np)))
-+                              continue;
-+
-+                      dmc = of_property_read_bool(cnp, "gpio-export,direction_may_change");
-+                      gpio_export_with_name(gpio, dmc, name);
-+                      nb++;
-+              }
-+      }
-+
-+      dev_info(&pdev->dev, "%d gpio(s) exported\n", nb);
-+
-+      return 0;
-+}
-+
-+static struct platform_driver gpio_export_driver = {
-+      .driver         = {
-+              .name           = "gpio-export",
-+              .owner  = THIS_MODULE,
-+              .of_match_table = of_match_ptr(gpio_export_ids),
-+      },
-+};
-+
-+static int __init of_gpio_export_init(void)
-+{
-+      return platform_driver_probe(&gpio_export_driver, of_gpio_export_probe);
-+}
-+device_initcall(of_gpio_export_init);
---- a/drivers/gpio/gpiolib-sysfs.c
-+++ b/drivers/gpio/gpiolib-sysfs.c
-@@ -553,7 +553,7 @@ static struct class gpio_class = {
-  *
-  * Returns zero on success, else an error.
-  */
--int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
-+int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name)
- {
-       struct gpio_chip        *chip;
-       struct gpio_device      *gdev;
-@@ -615,6 +615,8 @@ int gpiod_export(struct gpio_desc *desc,
-       offset = gpio_chip_hwgpio(desc);
-       if (chip->names && chip->names[offset])
-               ioname = chip->names[offset];
-+      if (name)
-+              ioname = name;
- 
-       dev = device_create_with_groups(&gpio_class, &gdev->dev,
-                                       MKDEV(0, 0), data, gpio_groups,
-@@ -636,6 +638,12 @@ err_unlock:
-       gpiod_dbg(desc, "%s: status %d\n", __func__, status);
-       return status;
- }
-+EXPORT_SYMBOL_GPL(__gpiod_export);
-+
-+int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
-+{
-+      return __gpiod_export(desc, direction_may_change, NULL);
-+}
- EXPORT_SYMBOL_GPL(gpiod_export);
- 
- static int match_export(struct device *dev, const void *desc)
---- a/include/asm-generic/gpio.h
-+++ b/include/asm-generic/gpio.h
-@@ -127,6 +127,12 @@ static inline int gpio_export(unsigned g
-       return gpiod_export(gpio_to_desc(gpio), direction_may_change);
- }
- 
-+int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name);
-+static inline int gpio_export_with_name(unsigned gpio, bool direction_may_change, const char *name)
-+{
-+      return __gpiod_export(gpio_to_desc(gpio), direction_may_change, name);
-+}
-+
- static inline int gpio_export_link(struct device *dev, const char *name,
-                                  unsigned gpio)
- {
---- a/include/linux/gpio/consumer.h
-+++ b/include/linux/gpio/consumer.h
-@@ -451,6 +451,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_
- 
- #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS)
- 
-+int _gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name);
- int gpiod_export(struct gpio_desc *desc, bool direction_may_change);
- int gpiod_export_link(struct device *dev, const char *name,
-                     struct gpio_desc *desc);
-@@ -458,6 +459,13 @@ void gpiod_unexport(struct gpio_desc *de
- 
- #else  /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */
- 
-+static inline int _gpiod_export(struct gpio_desc *desc,
-+                             bool direction_may_change,
-+                             const char *name)
-+{
-+      return -ENOSYS;
-+}
-+
- static inline int gpiod_export(struct gpio_desc *desc,
-                              bool direction_may_change)
- {