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Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.15/95-ixp4xx-leds.patch')
-rw-r--r--packages/linux/ixp4xx-kernel/2.6.15/95-ixp4xx-leds.patch260
1 files changed, 0 insertions, 260 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.15/95-ixp4xx-leds.patch b/packages/linux/ixp4xx-kernel/2.6.15/95-ixp4xx-leds.patch
deleted file mode 100644
index b081519893..0000000000
--- a/packages/linux/ixp4xx-kernel/2.6.15/95-ixp4xx-leds.patch
+++ /dev/null
@@ -1,260 +0,0 @@
-NEW_LEDS support for ixp4xx boards where LEDs are connected
-to the GPIO lines.
-
-This includes a new generic ixp4xx driver (leds-ixp4xx-gpio.c
-name "IXP4XX-GPIO-LED") and a patch to the original leds.h to
-make the 'name' field of led_device (const char)
-
-Signed-off-by: John Bowler <jbowler@acm.org>
-
---- linux-2.6.15/drivers/leds/Kconfig 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.15/drivers/leds/Kconfig 1970-01-01 00:00:00.000000000 +0000
-@@ -43,6 +43,15 @@ config LEDS_SPITZ
- This option enables support for the LEDs on Sharp Zaurus
- SL-Cxx00 series (C1000, C3000, C3100).
-
-+config LEDS_IXP4XX
-+ tristate "LED Support for GPIO connected LEDs on IXP4XX processors"
-+ depends LEDS_CLASS && ARCH_IXP4XX
-+ help
-+ This option enables support for the LEDs connected to GPIO
-+ outputs of the Intel IXP4XX processors. To be useful the
-+ particular board must have LEDs and they must be connected
-+ to the GPIO lines. If unsure, say Y.
-+
- config LEDS_TRIGGER_TIMER
- tristate "LED Timer Trigger"
- depends LEDS_TRIGGERS
---- linux-2.6.15/drivers/leds/Makefile 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.15/drivers/leds/Makefile 1970-01-01 00:00:00.000000000 +0000
-@@ -8,6 +8,7 @@ obj-$(CONFIG_LEDS_TRIGGERS) += led-trig
- obj-$(CONFIG_LEDS_CORGI) += leds-corgi.o
- obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o
- obj-$(CONFIG_LEDS_SPITZ) += leds-spitz.o
-+obj-$(CONFIG_LEDS_IXP4XX) += leds-ixp4xx-gpio.o
-
- # LED Triggers
- obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
---- linux-2.6.15/drivers/leds/leds-ixp4xx-gpio.c 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.15/drivers/leds/leds-ixp4xx-gpio.c 1970-01-01 00:00:00.000000000 +0000
-@@ -0,0 +1,209 @@
-+/*
-+ * IXP4XX GPIO driver LED driver
-+ *
-+ * Author: John Bowler <jbowler@acm.org>
-+ *
-+ * Copyright (c) 2006 John Bowler
-+ *
-+ * Permission is hereby granted, free of charge, to any
-+ * person obtaining a copy of this software and associated
-+ * documentation files (the "Software"), to deal in the
-+ * Software without restriction, including without
-+ * limitation the rights to use, copy, modify, merge,
-+ * publish, distribute, sublicense, and/or sell copies of
-+ * the Software, and to permit persons to whom the
-+ * Software is furnished to do so, subject to the
-+ * following conditions:
-+ *
-+ * The above copyright notice and this permission notice
-+ * shall be included in all copies or substantial portions
-+ * of the Software.
-+ *
-+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
-+ * ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
-+ * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-+ * SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
-+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-+ * OTHER DEALINGS IN THE SOFTWARE.
-+ *
-+ */
-+
-+#include <linux/config.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+#include <linux/spinlock.h>
-+#include <linux/leds.h>
-+#include <asm/arch/hardware.h>
-+
-+extern spinlock_t gpio_lock;
-+
-+/* Up to 16 gpio lines are possible. */
-+#define GPIO_MAX 16
-+static struct ixp4xxgpioled_device {
-+ struct led_device ancestor;
-+ int flags;
-+} ixp4xxgpioled_devices[GPIO_MAX];
-+
-+void ixp4xxgpioled_brightness_set(struct led_device *pled, int value)
-+{
-+ const struct ixp4xxgpioled_device *const ixp4xx_dev =
-+ container_of(pled, struct ixp4xxgpioled_device, ancestor);
-+ const u32 gpio_pin = ixp4xx_dev - ixp4xxgpioled_devices;
-+
-+ if (gpio_pin < GPIO_MAX && ixp4xx_dev->ancestor.name != 0) {
-+ /* Set or clear the 'gpio_pin' bit according to the style
-+ * and the required setting (value > 0 == on)
-+ */
-+ const int gpio_value =
-+ (value > 0) == (ixp4xx_dev->flags != IXP4XX_GPIO_LOW) ?
-+ IXP4XX_GPIO_HIGH : IXP4XX_GPIO_LOW;
-+
-+ {
-+ unsigned long flags;
-+ spin_lock_irqsave(&gpio_lock, flags);
-+ gpio_line_set(gpio_pin, gpio_value);
-+ spin_unlock_irqrestore(&gpio_lock, flags);
-+ }
-+ }
-+}
-+
-+/* LEDs are described in resources, the following iterates over the valid
-+ * LED resources.
-+ */
-+#define for_all_leds(i, pdev) \
-+ for (i=0; i<pdev->num_resources; ++i) \
-+ if (pdev->resource[i].start < GPIO_MAX && \
-+ pdev->resource[i].name != 0)
-+
-+/* The following applies 'operation' to each LED from the given platform,
-+ * the function always returns 0 to allow tail call elimination.
-+ */
-+static int apply_to_all_leds(struct platform_device *pdev,
-+ void (*operation)(struct led_device *pled)) {
-+ int i;
-+ for_all_leds(i, pdev)
-+ operation(&ixp4xxgpioled_devices[pdev->resource[i].start].ancestor);
-+ return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int ixp4xxgpioled_suspend(struct platform_device *pdev, pm_message_t state)
-+{
-+ return apply_to_all_leds(pdev, leds_device_suspend);
-+}
-+
-+static int ixp4xxgpioled_resume(struct platform_device *pdev)
-+{
-+ return apply_to_all_leds(pdev, leds_device_resume);
-+}
-+#endif
-+
-+static void ixp4xxgpioled_remove_one_led(struct led_device *pled) {
-+ leds_device_unregister(pled);
-+ pled->name = 0;
-+}
-+
-+static int ixp4xxgpioled_remove(struct platform_device *pdev)
-+{
-+ return apply_to_all_leds(pdev, ixp4xxgpioled_remove_one_led);
-+}
-+
-+static int ixp4xxgpioled_probe(struct platform_device *pdev)
-+{
-+ /* The board level has to tell the driver where the
-+ * LEDs are connected - there is no way to find out
-+ * electrically. It must also say whether the GPIO
-+ * lines are active high or active low.
-+ *
-+ * To do this read the num_resources (the number of
-+ * LEDs) and the struct resource (the data for each
-+ * LED). The name comes from the resource, and it
-+ * isn't copied.
-+ */
-+ int i;
-+ for_all_leds(i, pdev) {
-+ const u8 gpio_pin = pdev->resource[i].start;
-+ int rc;
-+
-+ if (ixp4xxgpioled_devices[gpio_pin].ancestor.name == 0) {
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&gpio_lock, flags);
-+ gpio_line_config(gpio_pin, IXP4XX_GPIO_OUT);
-+ /* The config can, apparently, reset the state,
-+ * I suspect the gpio line may be an input and
-+ * the config may cause the line to be latched,
-+ * so the setting depends on how the LED is
-+ * connected to the line (which affects how it
-+ * floats if not driven).
-+ */
-+ gpio_line_set(gpio_pin, IXP4XX_GPIO_HIGH);
-+ spin_unlock_irqrestore(&gpio_lock, flags);
-+
-+ ixp4xxgpioled_devices[gpio_pin].flags =
-+ pdev->resource[i].flags & IORESOURCE_BITS;
-+
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.name =
-+ pdev->resource[i].name;
-+
-+ /* This is how a board manufacturer makes the LED
-+ * come on on reset - the GPIO line will be high, so
-+ * make the LED light when the line is low...
-+ */
-+ if (ixp4xxgpioled_devices[gpio_pin].flags != IXP4XX_GPIO_LOW)
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.brightness = 100;
-+ else
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.brightness = 0;
-+
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.flags = 0;
-+
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.brightness_set =
-+ ixp4xxgpioled_brightness_set;
-+
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.default_trigger = 0;
-+ }
-+
-+ rc = leds_device_register(&pdev->dev,
-+ &ixp4xxgpioled_devices[gpio_pin].ancestor);
-+ if (rc < 0) {
-+ ixp4xxgpioled_devices[gpio_pin].ancestor.name = 0;
-+ ixp4xxgpioled_remove(pdev);
-+ return rc;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+static struct platform_driver ixp4xxgpioled_driver = {
-+ .probe = ixp4xxgpioled_probe,
-+ .remove = ixp4xxgpioled_remove,
-+#ifdef CONFIG_PM
-+ .suspend = ixp4xxgpioled_suspend,
-+ .resume = ixp4xxgpioled_resume,
-+#endif
-+ .driver = {
-+ .name = "IXP4XX-GPIO-LED",
-+ },
-+};
-+
-+static int __devinit ixp4xxgpioled_init(void)
-+{
-+ return platform_driver_register(&ixp4xxgpioled_driver);
-+}
-+
-+static void ixp4xxgpioled_exit(void)
-+{
-+ platform_driver_unregister(&ixp4xxgpioled_driver);
-+}
-+
-+module_init(ixp4xxgpioled_init);
-+module_exit(ixp4xxgpioled_exit);
-+
-+MODULE_AUTHOR("John Bowler <jbowler@acm.org>");
-+MODULE_DESCRIPTION("IXP4XX GPIO LED driver");
-+MODULE_LICENSE("MIT");
---- linux-2.6.15/include/linux/leds.h 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.15/include/linux/leds.h 1970-01-01 00:00:00.000000000 +0000
-@@ -16,7 +16,7 @@ struct class_device;
- * LED Core
- */
- struct led_device {
-- char *name;
-+ const char *name;
- int brightness;
- int flags;
- #define LED_SUSPENDED (1 << 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 17:09:59 +0000