1 files changed, 0 insertions, 108 deletions
diff --git a/packages/linux/linux-2.6.18/pio-interrupt-controller.patch b/packages/linux/linux-2.6.18/pio-interrupt-controller.patch
deleted file mode 100644
index b4f15c4931..0000000000
--- a/packages/linux/linux-2.6.18/pio-interrupt-controller.patch
+++ /dev/null
@@ -1,108 +0,0 @@
----
- arch/avr32/mach-at32ap/pio.c |   73 ++++++++++++++++++++++++++++++++++++++++++-
- 1 file changed, 72 insertions(+), 1 deletion(-)
-
-Index: linux-2.6.18-avr32/arch/avr32/mach-at32ap/pio.c
-===================================================================
---- linux-2.6.18-avr32.orig/arch/avr32/mach-at32ap/pio.c	2006-11-29 18:17:15.000000000 +0100
-+++ linux-2.6.18-avr32/arch/avr32/mach-at32ap/pio.c	2006-11-30 11:50:27.000000000 +0100
-@@ -11,6 +11,7 @@
- #include <linux/clk.h>
- #include <linux/debugfs.h>
- #include <linux/fs.h>
-+#include <linux/irq.h>
- #include <linux/platform_device.h>
- 
- #include <asm/gpio.h>
-@@ -709,20 +710,90 @@ err_class_create:
- late_initcall(pio_init_dev);
- #endif /* CONFIG_PIO_DEV */
- 
-+/* Interrupt controller implementation */
-+static void pio_mask_irq(unsigned int irq)
-+{
-+	struct pio_device *pio = get_irq_chip_data(irq);
-+
-+	pio_writel(pio, IDR, 1 << (irq & 0x1f));
-+}
-+
-+static void pio_unmask_irq(unsigned int irq)
-+{
-+	struct pio_device *pio = get_irq_chip_data(irq);
-+
-+	pio_writel(pio, IER, 1 << (irq & 0x1f));
-+}
-+
-+static int pio_set_irq_type(unsigned int irq, unsigned int flow_type)
-+{
-+	if (flow_type != IRQ_TYPE_NONE && flow_type != IRQ_TYPE_EDGE_BOTH)
-+		return -EINVAL;
-+
-+	return 0;
-+}
-+
-+static struct irq_chip pio_irq_chip = {
-+	.name		= "pio",
-+	.mask		= pio_mask_irq,
-+	.unmask		= pio_unmask_irq,
-+	.set_type	= pio_set_irq_type,
-+};
-+
-+static void demux_pio_irq(unsigned int irq, struct irq_desc *desc,
-+			  struct pt_regs *regs)
-+{
-+	struct pio_device *pio = desc->handler_data;
-+	struct irq_desc *ext_desc;
-+	u32 status, pending;
-+	unsigned int ext_irq;
-+	unsigned int i;
-+
-+	status = pio_readl(pio, ISR);
-+	pending = status & pio_readl(pio, IMR);
-+
-+	while (pending) {
-+		i = fls(pending) - 1;
-+		pending &= ~(1 << i);
-+
-+		ext_irq = gpio_to_irq(32 * pio_id(pio) + i);
-+		ext_desc = irq_desc + ext_irq;
-+		ext_desc->handle_irq(ext_irq, ext_desc, regs);
-+	}
-+}
-+
- static int __init pio_probe(struct platform_device *pdev)
- {
- 	struct pio_device *pio = NULL;
-+	unsigned int i;
-+	int int_irq, ext_irq;
- 
- 	BUG_ON(pdev->id >= MAX_NR_PIO_DEVICES);
- 	pio = &pio_dev[pdev->id];
- 	BUG_ON(!pio->regs);
- 
--	/* TODO: Interrupts */
-+	/* Set up interrupts */
-+	pio_writel(pio, IDR, ~0UL);
-+	pio_readl(pio, ISR);
-+
-+	ext_irq = gpio_to_irq(32 * pdev->id);
-+	for (i = 0; i < 32; i++, ext_irq++) {
-+		set_irq_chip_and_handler(ext_irq, &pio_irq_chip,
-+					 handle_simple_irq);
-+		set_irq_chip_data(ext_irq, pio);
-+	}
-+
-+	int_irq = platform_get_irq(pdev, 0);
-+	set_irq_chained_handler(int_irq, demux_pio_irq);
-+	set_irq_data(int_irq, pio);
- 
- 	platform_set_drvdata(pdev, pio);
- 
- 	printk(KERN_INFO "%s: Atmel Port Multiplexer at 0x%p (irq %d)\n",
- 	       pio->name, pio->regs, platform_get_irq(pdev, 0));
-+	printk(KERN_INFO
-+	       "%s: Handling 32 external IRQs, starting with IRQ %d\n",
-+	       pio->name, ext_irq - 32);
- 
- 	return 0;
- }