root/trunk/patches/2.6.22/17-nas100d-auto-power-on.patch

linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c

@@ -21 +21 @@
-#include <linux/irq.h>
-#include <linux/module.h>
-#include <linux/reboot.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
-
-#include <asm/mach-types.h>
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-{
-Signal init to do the ctrlaltdel action, this will bypass init if
-it hasn't started and do a kernel_restart
+This routine is called twice per second to check the
+state of the power button
-         */
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-
-        return IRQ_HANDLED;
-}
@@ -50 +95 @@
-                return -EIO;
-        }
-
+        /* The power button on the Iomega NAS100d is on GPIO 14, but
+         * it cannot handle interrupts on that GPIO line.  So we'll
+         * have to poll it with a kernel timer.
+         */
+
+        /* Make sure that the power button GPIO is set up as an input */
+        gpio_line_config(NAS100D_PB_GPIO, IXP4XX_GPIO_IN);
+
+        /* Set the initial value for the power button IRQ handler */
+        power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+        mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
+
-        return 0;
-}
-
@@ -58 +116 @@
-        if (!(machine_is_nas100d()))
-                return;
-
+        del_timer_sync(&nas100d_power_timer);
+
-        free_irq(NAS100D_RB_IRQ, NULL);
-}
-

linux-2.6.22-rc5-armeb/include/asm-arm/arch-ixp4xx/nas100d.h

@@ -39 +39 @@
-/* Buttons */
-
-#define NAS100D_PB_GPIO         14
+#define NAS100D_PB_BM           (1L << NAS100D_PB_GPIO)
+
-#define NAS100D_RB_GPIO         4
-#define NAS100D_PO_GPIO         12   /* power off */
-
-#define NAS100D_PB_IRQ          IRQ_IXP4XX_GPIO14
-#define NAS100D_RB_IRQ          IRQ_IXP4XX_GPIO4
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