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git://projects.qi-hardware.com/openwrt-xburst.git
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Refreshed the dsmg600 and nas100d power patches from nslu2-linux
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10168 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
rwhitby
parent
4799609f17
commit
a9884ab5b2
@ -1,13 +1,40 @@
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---
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arch/arm/mach-ixp4xx/dsmg600-power.c | 13 +++++++++----
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1 file changed, 9 insertions(+), 4 deletions(-)
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Upgrade the power and reset button handling for the DSMG600:
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* Remove the superfluous declaration of ctrl_alt_del().
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* Convert GPIO and IRQ handling to use the <asm/gpio.h> api.
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* Perform the reset on the release of the power button, so that
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NAS devices which have been set to auto-power-on (by bridging
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the power button) do not continuously power cycle.
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* Remove all superflous constants from dsmg600.h
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Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c
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Signed-off-by: Rod Whitby <rod@whitby.id.au>
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---
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arch/arm/mach-ixp4xx/dsmg600-power.c | 24 ++++++++++++++----------
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include/asm-arm/arch-ixp4xx/dsmg600.h | 7 +------
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2 files changed, 15 insertions(+), 16 deletions(-)
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Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c
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===================================================================
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--- linux-2.6.22-rc5-armeb.orig/arch/arm/mach-ixp4xx/dsmg600-power.c
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+++ linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c
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@@ -50,6 +50,13 @@
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if (*IXP4XX_GPIO_GPINR & DSMG600_PB_BM) {
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--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/dsmg600-power.c 2008-01-11 16:20:26.000000000 +1030
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+++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c 2008-01-11 16:20:30.000000000 +1030
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@@ -26,10 +26,9 @@
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#include <linux/jiffies.h>
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#include <linux/timer.h>
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+#include <asm/gpio.h>
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#include <asm/mach-types.h>
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-extern void ctrl_alt_del(void);
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-
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/* This is used to make sure the power-button pusher is serious. The button
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* must be held until the value of this counter reaches zero.
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*/
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@@ -47,9 +46,16 @@
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* state of the power button.
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*/
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- if (*IXP4XX_GPIO_GPINR & DSMG600_PB_BM) {
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+ if (gpio_get_value(DSMG600_PB_GPIO)) {
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/* IO Pin is 1 (button pushed) */
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+ if (power_button_countdown > 0) {
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@ -20,7 +47,7 @@ Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c
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if (power_button_countdown == 0) {
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/* Signal init to do the ctrlaltdel action, this will bypass
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* init if it hasn't started and do a kernel_restart.
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@@ -58,11 +65,9 @@
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@@ -58,11 +64,9 @@
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/* Change the state of the power LED to "blink" */
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gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
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@ -34,3 +61,51 @@ Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/dsmg600-power.c
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}
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mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
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@@ -81,12 +85,12 @@
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if (!(machine_is_dsmg600()))
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return 0;
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- if (request_irq(DSMG600_RB_IRQ, &dsmg600_reset_handler,
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+ if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
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IRQF_DISABLED | IRQF_TRIGGER_LOW, "DSM-G600 reset button",
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NULL) < 0) {
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printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
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- DSMG600_RB_IRQ);
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+ gpio_to_irq(DSMG600_RB_GPIO));
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return -EIO;
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}
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@@ -114,7 +118,7 @@
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del_timer_sync(&dsmg600_power_timer);
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- free_irq(DSMG600_RB_IRQ, NULL);
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+ free_irq(gpio_to_irq(DSMG600_RB_GPIO), NULL);
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}
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module_init(dsmg600_power_init);
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Index: linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/dsmg600.h
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===================================================================
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--- linux-2.6.23.12-armeb.orig/include/asm-arm/arch-ixp4xx/dsmg600.h 2008-01-11 16:20:26.000000000 +1030
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+++ linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/dsmg600.h 2008-01-11 16:20:30.000000000 +1030
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@@ -40,18 +40,13 @@
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/* Buttons */
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#define DSMG600_PB_GPIO 15 /* power button */
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-#define DSMG600_PB_BM (1L << DSMG600_PB_GPIO)
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-
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#define DSMG600_RB_GPIO 3 /* reset button */
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-#define DSMG600_RB_IRQ IRQ_IXP4XX_GPIO3
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+/* Power control */
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#define DSMG600_PO_GPIO 2 /* power off */
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/* LEDs */
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#define DSMG600_LED_PWR_GPIO 0
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-#define DSMG600_LED_PWR_BM (1L << DSMG600_LED_PWR_GPIO)
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-
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#define DSMG600_LED_WLAN_GPIO 14
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-#define DSMG600_LED_WLAN_BM (1L << DSMG600_LED_WLAN_GPIO)
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@ -1,19 +1,27 @@
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---
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arch/arm/mach-ixp4xx/nas100d-power.c | 68 ++++++++++++++++++++++++++++++++--
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include/asm-arm/arch-ixp4xx/nas100d.h | 18 +++++----
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2 files changed, 75 insertions(+), 11 deletions(-)
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Upgrade the power and reset button handling for the NAS100D:
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* Convert GPIO and IRQ handling to use the <asm/gpio.h> api.
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* Perform the reset only after the power button has been held down
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for at least two seconds. Do the reset on the release of the power
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button, so that NAS devices which have been set to auto-power-on (by
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bridging the power button) do not continuously power cycle.
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* Remove all superflous constants from nas100d.h
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* Add LED constants to nas100d.h while we're there.
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Also, update the board LED setup code to use constants.
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Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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Signed-off-by: Rod Whitby <rod@whitby.id.au>
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Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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===================================================================
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--- linux-2.6.22-rc5-armeb.orig/arch/arm/mach-ixp4xx/nas100d-power.c
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+++ linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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@@ -21,15 +21,60 @@
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--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/nas100d-power.c 2008-01-11 16:59:20.000000000 +1030
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+++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-power.c 2008-01-11 17:03:23.000000000 +1030
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@@ -21,15 +21,61 @@
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#include <linux/irq.h>
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#include <linux/module.h>
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#include <linux/reboot.h>
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+#include <linux/jiffies.h>
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+#include <linux/timer.h>
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+#include <asm/gpio.h>
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#include <asm/mach-types.h>
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-static irqreturn_t nas100d_reset_handler(int irq, void *dev_id)
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@ -39,7 +47,7 @@ Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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*/
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- ctrl_alt_del();
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+
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+ if (*IXP4XX_GPIO_GPINR & NAS100D_PB_BM) {
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+ if (gpio_get_value(NAS100D_PB_GPIO)) {
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+
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+ /* IO Pin is 1 (button pushed) */
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+ if (power_button_countdown > 0) {
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@ -72,7 +80,21 @@ Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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return IRQ_HANDLED;
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}
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@@ -50,6 +95,19 @@
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@@ -39,17 +85,30 @@
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if (!(machine_is_nas100d()))
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return 0;
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- set_irq_type(NAS100D_RB_IRQ, IRQT_LOW);
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+ set_irq_type(gpio_to_irq(NAS100D_RB_GPIO), IRQT_LOW);
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- if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler,
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+ if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler,
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IRQF_DISABLED, "NAS100D reset button", NULL) < 0) {
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printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
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- NAS100D_RB_IRQ);
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+ gpio_to_irq(NAS100D_RB_GPIO));
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return -EIO;
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}
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@ -92,42 +114,75 @@ Index: linux-2.6.22-rc5-armeb/arch/arm/mach-ixp4xx/nas100d-power.c
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return 0;
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}
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@@ -58,6 +116,8 @@
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@@ -58,7 +117,9 @@
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if (!(machine_is_nas100d()))
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return;
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- free_irq(NAS100D_RB_IRQ, NULL);
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+ del_timer_sync(&nas100d_power_timer);
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+
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free_irq(NAS100D_RB_IRQ, NULL);
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+ free_irq(gpio_to_irq(NAS100D_RB_GPIO), NULL);
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}
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Index: linux-2.6.22-rc5-armeb/include/asm-arm/arch-ixp4xx/nas100d.h
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module_init(nas100d_power_init);
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Index: linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/nas100d.h
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===================================================================
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--- linux-2.6.22-rc5-armeb.orig/include/asm-arm/arch-ixp4xx/nas100d.h
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+++ linux-2.6.22-rc5-armeb/include/asm-arm/arch-ixp4xx/nas100d.h
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@@ -39,14 +39,18 @@
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--- linux-2.6.23.12-armeb.orig/include/asm-arm/arch-ixp4xx/nas100d.h 2008-01-11 16:59:20.000000000 +1030
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+++ linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/nas100d.h 2008-01-11 17:03:23.000000000 +1030
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@@ -38,15 +38,15 @@
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/* Buttons */
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#define NAS100D_PB_GPIO 14
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+#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO)
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-#define NAS100D_PB_GPIO 14
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-#define NAS100D_RB_GPIO 4
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+#define NAS100D_PB_GPIO 14 /* power button */
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+#define NAS100D_RB_GPIO 4 /* reset button */
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+
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#define NAS100D_RB_GPIO 4
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-#define NAS100D_PO_GPIO 12 /* power off */
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+/* Power control */
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+
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#define NAS100D_PO_GPIO 12 /* power off */
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-#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14
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#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4
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-#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4
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+/* LEDs */
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-/*
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-#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO)
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-#define NAS100D_PO_BM (1L << NAS100D_PO_GPIO)
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-#define NAS100D_RB_BM (1L << NAS100D_RB_GPIO)
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-*/
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+#define NAS100D_PO_GPIO 12 /* power off */
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+
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+/* LEDs */
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+
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+#define NAS100D_LED_PWR_GPIO 15
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+#define NAS100D_LED_PWR_BM (1L << NAS100D_LED_PWR_GPIO)
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+
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+#define NAS100D_LED_WLAN_GPIO 0
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+#define NAS100D_LED_WLAN_BM (1L << NAS100D_LED_WLAN_GPIO)
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+#define NAS100D_LED_DISK_GPIO 3
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+#define NAS100D_LED_PWR_GPIO 15
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Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c
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===================================================================
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--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/nas100d-setup.c 2008-01-11 17:03:23.000000000 +1030
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+++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/nas100d-setup.c 2008-01-11 17:06:15.000000000 +1030
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@@ -44,20 +44,20 @@
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static struct resource nas100d_led_resources[] = {
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{
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.name = "wlan", /* green led */
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- .start = 0,
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- .end = 0,
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+ .start = NAS100D_LED_WLAN_GPIO,
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+ .end = NAS100D_LED_WLAN_GPIO,
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.flags = IXP4XX_GPIO_LOW,
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},
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{
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- .name = "ready", /* blue power led (off is flashing!) */
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- .start = 15,
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- .end = 15,
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+ .name = "power", /* blue power led (off is flashing!) */
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+ .start = NAS100D_LED_PWR_GPIO,
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+ .end = NAS100D_LED_PWR_GPIO,
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.flags = IXP4XX_GPIO_LOW,
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},
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{
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.name = "disk", /* yellow led */
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- .start = 3,
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- .end = 3,
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+ .start = NAS100D_LED_DISK_GPIO,
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+ .end = NAS100D_LED_DISK_GPIO,
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.flags = IXP4XX_GPIO_LOW,
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},
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};
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