[kernel] 2.6.26: fix gpio sysfs patch, forgot to refresh it

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12529 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches-2.6.26/980-backport_gpio_sysfs_support.patch b/target/linux/generic-2.6/patches-2.6.26/980-backport_gpio_sysfs_support.patch
index 44d126c..7c69104 100644 (file)
--- a/target/linux/generic-2.6/patches-2.6.26/980-backport_gpio_sysfs_support.patch
+++ b/target/linux/generic-2.6/patches-2.6.26/980-backport_gpio_sysfs_support.patch
@@ -281,7 +281,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  
  #ifdef CONFIG_DEBUG_FS
        const char              *label;
-@@ -151,6 +156,482 @@
+@@ -151,6 +156,486 @@
        return ret;
  }
  
@@ -558,7 +558,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 +      int                     status = -EINVAL;
 +
 +      /* can't export until sysfs is available ... */
-+      if (!gpio_class.p) {
++      if (!gpio_class.subsys.kobj.ktype) {
 +              pr_debug("%s: called too early!\n", __func__);
 +              return -ENOENT;
 +      }
@@ -583,8 +583,9 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 +              struct device   *dev;
 +
 +              dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0),
-+                                      desc, "gpio%d", gpio);
++                                      "gpio%d", gpio);
 +              if (dev) {
++                      dev_set_drvdata(dev, desc);
 +                      if (direction_may_change)
 +                              status = sysfs_create_group(&dev->kobj,
 +                                              &gpio_attr_group);
@@ -634,8 +635,9 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 +      if (test_bit(FLAG_EXPORT, &desc->flags)) {
 +              struct device   *dev = NULL;
 +
-+              dev = class_find_device(&gpio_class, NULL, desc, match_export);
++              dev = class_find_device(&gpio_class, desc, match_export);
 +              if (dev) {
++                      dev_set_drvdata(dev, NULL);
 +                      clear_bit(FLAG_EXPORT, &desc->flags);
 +                      put_device(dev);
 +                      device_unregister(dev);
@@ -661,14 +663,15 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 +       * export this later, in gpiolib_sysfs_init() ... here we just
 +       * verify that _some_ field of gpio_class got initialized.
 +       */
-+      if (!gpio_class.p)
++      if (!gpio_class.subsys.kobj.ktype)
 +              return 0;
 +
 +      /* use chip->base for the ID; it's already known to be unique */
 +      mutex_lock(&sysfs_lock);
-+      dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip,
++      dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0),
 +                              "gpiochip%d", chip->base);
 +      if (dev) {
++              dev_set_drvdata(dev, chip);
 +              status = sysfs_create_group(&dev->kobj,
 +                              &gpiochip_attr_group);
 +      } else
@@ -699,8 +702,9 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 +      struct device           *dev;
 +
 +      mutex_lock(&sysfs_lock);
-+      dev = class_find_device(&gpio_class, NULL, chip, match_export);
++      dev = class_find_device(&gpio_class, chip, match_export);
 +      if (dev) {
++              dev_set_drvdata(dev, NULL);
 +              put_device(dev);
 +              device_unregister(dev);
 +              chip->exported = 0;
@@ -764,7 +768,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  /**
   * gpiochip_add() - register a gpio_chip
   * @chip: the chip to register, with chip->base initialized
-@@ -160,6 +641,11 @@
+@@ -160,6 +645,11 @@
   * because the chip->base is invalid or already associated with a
   * different chip.  Otherwise it returns zero as a success code.
   *
@@ -776,7 +780,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
   * If chip->base is negative, this requests dynamic assignment of
   * a range of valid GPIOs.
   */
-@@ -182,7 +668,7 @@
+@@ -182,7 +672,7 @@
                base = gpiochip_find_base(chip->ngpio);
                if (base < 0) {
                        status = base;
@@ -785,7 +789,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
                }
                chip->base = base;
        }
-@@ -197,12 +683,23 @@
+@@ -197,12 +687,23 @@
        if (status == 0) {
                for (id = base; id < base + chip->ngpio; id++) {
                        gpio_desc[id].chip = chip;
@@ -811,7 +815,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  fail:
        /* failures here can mean systems won't boot... */
        if (status)
-@@ -239,6 +736,10 @@
+@@ -239,6 +740,10 @@
        }
  
        spin_unlock_irqrestore(&gpio_lock, flags);
@@ -822,7 +826,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        return status;
  }
  EXPORT_SYMBOL_GPL(gpiochip_remove);
-@@ -296,6 +797,8 @@
+@@ -296,6 +801,8 @@
                return;
        }
  
@@ -831,7 +835,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        spin_lock_irqsave(&gpio_lock, flags);
  
        desc = &gpio_desc[gpio];
-@@ -534,10 +1037,6 @@
+@@ -534,10 +1041,6 @@
  
  #ifdef CONFIG_DEBUG_FS
  
@@ -842,7 +846,7 @@ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip)
  {
        unsigned                i;
-@@ -614,17 +1113,28 @@
+@@ -614,17 +1117,28 @@
        /* REVISIT this isn't locked against gpio_chip removal ... */
  
        for (gpio = 0; gpio_is_valid(gpio); gpio++) {