nslu2-kernel: Add "disk_led_blinking.patch", to enable disk1/disk2 leds.

2 files changed, 129 insertions, 1 deletions

diff --git a/packages/linux/nslu2-kernel/2.6.12/disk_led_blinking.patch b/packages/linux/nslu2-kernel/2.6.12/disk_led_blinking.patch
new file mode 100644
index 0000000000..7487cf3ee8
--- /dev/null
+++ b/packages/linux/nslu2-kernel/2.6.12/disk_led_blinking.patch
@@ -0,0 +1,127 @@
+--- linux-2.6.12.2/drivers/usb/core/hub.c.bak	2005-09-19 20:29:14.000000000 +0000
++++ linux-2.6.12.2/drivers/usb/core/hub.c	2005-09-19 20:30:44.000000000 +0000
+@@ -1026,6 +1026,19 @@
+ 
+ 	dev_info (&udev->dev, "USB disconnect, address %d\n", udev->devnum);
+ 
++	// --- Forward-Ported Linksys Disk 1 & Disk 2 LED Control (Port done 16.Sept.05 by Philipp Kirchhofer) ---
++	// Copy & paste from nslu2-io.c
++	#define DISK1_OFF	0x00000008	//0b0000 0000 0000 1000
++	#define	DISK2_OFF	0x00000004	//0b0000 0000 0000 0100
++	// Copy & Paste end
++
++	if (*udev->devpath == 0x31) {
++		*IXP4XX_GPIO_GPOUTR |= DISK1_OFF;
++	} else if (*udev->devpath == 0x32) {
++		*IXP4XX_GPIO_GPOUTR |= DISK2_OFF;
++	}
++	// --- End LED Control ---
++
+ 	/* Free up all the children before we remove this device */
+ 	for (i = 0; i < USB_MAXCHILDREN; i++) {
+ 		if (udev->children[i])
+@@ -2175,6 +2188,19 @@
+ 			udev->bus->controller->driver->name,
+ 			udev->devnum);
+ 
++	// --- Start LED Control ---
++	// Copy & paste from nslu2-io.c
++	#define DISK1_ON	0xfffffff7	//0b1111 1111 1111 0111
++	#define	DISK2_ON	0xfffffffb	//0b1111 1111 1111 1011
++	// Copy & Paste end
++
++	if (*udev->devpath == 0x31) {
++		*IXP4XX_GPIO_GPOUTR &= DISK1_ON;
++	} else if (*udev->devpath == 0x32) {
++		*IXP4XX_GPIO_GPOUTR &= DISK2_ON;
++	}
++	// --- End LED Control ---
++
+ 	/* Set up TT records, if needed  */
+ 	if (hdev->tt) {
+ 		udev->tt = hdev->tt;
+--- linux-2.6.12.2/drivers/usb/storage/transport.c.bak	2005-09-19 20:29:25.000000000 +0000
++++ linux-2.6.12.2/drivers/usb/storage/transport.c	2005-09-19 20:29:55.000000000 +0000
+@@ -60,6 +60,60 @@
+ #include "scsiglue.h"
+ #include "debug.h"
+ 
++// --- Forward-Ported Linksys Disk 1 & Disk 2 LED Activity Blinking Part 1 (Port done 16.Sept.05 by Philipp Kirchhofer) ---
++// Copy & Paste from nslu2-io.c
++#define DISK1_ON	0xfffffff7	//0b1111 1111 1111 0111
++#define DISK2_ON	0xfffffffb	//0b1111 1111 1111 1011
++
++#define DISK1_OFF	0x00000008	//0b0000 0000 0000 1000
++#define DISK2_OFF	0x00000004	//0b0000 0000 0000 0100
++// Copy & Paste End
++
++#define JIFFIES_BLINKING_TIME 6
++#define ON_LED_INTERVAL 3
++unsigned long turn_on_time;
++
++static struct timer_list usb1_led_timer;    /* ide led switch */
++static struct timer_list usb2_led_timer;    /* ide led switch */
++
++// Turns on Disk 1 LED
++static void turn_on_led_usb1(unsigned long ptr) {
++	*IXP4XX_GPIO_GPOUTR &= DISK1_ON; // 0xfff7
++	return;
++}
++
++// Turns on Disk 2 LED
++static void turn_on_led_usb2(unsigned long ptr) {
++	*IXP4XX_GPIO_GPOUTR &= DISK2_ON; // 0xfffb
++        return;
++}
++
++// Turns on Disk 1 LED after ON_LED_INTERVAL jiffies
++static void usb_1_led_timer(void) {
++	usb1_led_timer.expires = jiffies + ON_LED_INTERVAL;
++	add_timer(&usb1_led_timer);
++	return;
++}
++
++// Turns on Disk 2 LED after ON_LED_INTERVAL jiffies
++static void usb_2_led_timer(void) {
++        usb2_led_timer.expires = jiffies + ON_LED_INTERVAL;
++        add_timer(&usb2_led_timer);
++        return;
++}
++
++// Initializes Timers
++unsigned long initialized_timers = 0;
++static void initializeTimers() {
++	if (initialized_timers != 1) {
++		init_timer(&usb1_led_timer);
++		usb1_led_timer.function = turn_on_led_usb1;
++		init_timer(&usb2_led_timer);
++		usb2_led_timer.function = turn_on_led_usb2;
++		initialized_timers = 1;
++	}
++}
++// --- End Disk LED Activity Blinking Part 1 ---
+ 
+ /***********************************************************************
+  * Data transfer routines
+@@ -499,6 +553,21 @@
+ 
+ 	/* are we scatter-gathering? */
+ 	if (use_sg) {
++		// --- Disk LED Activity Blinking Part 2 ---
++		initializeTimers();
++		if ((jiffies - turn_on_time) >= JIFFIES_BLINKING_TIME) {
++	        	if (*us->pusb_dev->devpath == 0x31) {
++				del_timer_sync(&usb1_led_timer);
++				*IXP4XX_GPIO_GPOUTR |= DISK1_OFF;
++				usb_1_led_timer();
++			} else if (*us->pusb_dev->devpath == 0x32) {
++				del_timer_sync(&usb2_led_timer);
++				*IXP4XX_GPIO_GPOUTR |= DISK2_OFF;
++				usb_2_led_timer();
++			}
++			turn_on_time = jiffies;
++		}
++		// --- End Disk LED Activity Blinking Part 2 ---
+ 		/* use the usb core scatter-gather primitives */
+ 		result = usb_stor_bulk_transfer_sglist(us, pipe,
+ 				(struct scatterlist *) buf, use_sg,
diff --git a/packages/linux/nslu2-kernel_2.6.12.2.bb b/packages/linux/nslu2-kernel_2.6.12.2.bb
index 41f35d77ea..6f0f400028 100644
--- a/packages/linux/nslu2-kernel_2.6.12.2.bb
+++ b/packages/linux/nslu2-kernel_2.6.12.2.bb
@@ -1,5 +1,5 @@
 # Kernel for NSLU2
-PR = "r15"
+PR = "r16"
 include nslu2-kernel.inc
 
 # N2K_EXTRA_PATCHES - list of patches to apply (can include
@@ -24,4 +24,5 @@ N2K_PATCHES = "\
 	file://missing-exports.patch;patch=1 \
 	file://timer.patch;patch=1 \
 	file://nslu2-io_rpbutton.patch;patch=1 \
+	file://disk_led_blinking.patch;patch=1 \
 "