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authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /packages/linux/linux-2.6.18/pio-interrupt-controller.patch
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'packages/linux/linux-2.6.18/pio-interrupt-controller.patch')
-rw-r--r--packages/linux/linux-2.6.18/pio-interrupt-controller.patch108
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;
- }