summaryrefslogtreecommitdiffstats
path: root/target/linux/atheros/patches-2.6.30/210-reset_button.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/atheros/patches-2.6.30/210-reset_button.patch')
-rw-r--r--target/linux/atheros/patches-2.6.30/210-reset_button.patch174
1 files changed, 0 insertions, 174 deletions
diff --git a/target/linux/atheros/patches-2.6.30/210-reset_button.patch b/target/linux/atheros/patches-2.6.30/210-reset_button.patch
deleted file mode 100644
index 3c9181814..000000000
--- a/target/linux/atheros/patches-2.6.30/210-reset_button.patch
+++ /dev/null
@@ -1,174 +0,0 @@
---- a/arch/mips/ar231x/Makefile
-+++ b/arch/mips/ar231x/Makefile
-@@ -8,7 +8,7 @@
- # Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
- #
-
--obj-y += board.o prom.o devices.o
-+obj-y += board.o prom.o devices.o reset.o
-
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-
---- /dev/null
-+++ b/arch/mips/ar231x/reset.c
-@@ -0,0 +1,160 @@
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/timer.h>
-+#include <linux/interrupt.h>
-+#include <linux/kobject.h>
-+#include <linux/workqueue.h>
-+#include <linux/skbuff.h>
-+#include <linux/netlink.h>
-+#include <net/sock.h>
-+#include <asm/uaccess.h>
-+#include <ar231x_platform.h>
-+#include <ar231x.h>
-+#include <gpio.h>
-+#include "devices.h"
-+
-+#define AR531X_RESET_GPIO_IRQ (AR531X_GPIO_IRQ(ar231x_board.config->resetConfigGpio))
-+
-+struct event_t {
-+ struct work_struct wq;
-+ int set;
-+ unsigned long jiffies;
-+};
-+
-+static struct timer_list rst_button_timer;
-+static unsigned long seen;
-+
-+extern struct sock *uevent_sock;
-+extern u64 uevent_next_seqnum(void);
-+
-+static int no_release_workaround = 1;
-+module_param(no_release_workaround, int, 0);
-+
-+static inline void
-+add_msg(struct sk_buff *skb, char *msg)
-+{
-+ char *scratch;
-+ scratch = skb_put(skb, strlen(msg) + 1);
-+ sprintf(scratch, msg);
-+}
-+
-+static void
-+hotplug_button(struct work_struct *wq)
-+{
-+ struct sk_buff *skb;
-+ struct event_t *event;
-+ size_t len;
-+ char *scratch, *s;
-+ char buf[128];
-+
-+ event = container_of(wq, struct event_t, wq);
-+ if (!uevent_sock)
-+ goto done;
-+
-+ /* allocate message with the maximum possible size */
-+ s = event->set ? "pressed" : "released";
-+ len = strlen(s) + 2;
-+ skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
-+ if (!skb)
-+ goto done;
-+
-+ /* add header */
-+ scratch = skb_put(skb, len);
-+ sprintf(scratch, "%s@",s);
-+
-+ /* copy keys to our continuous event payload buffer */
-+ add_msg(skb, "HOME=/");
-+ add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
-+ add_msg(skb, "SUBSYSTEM=button");
-+ add_msg(skb, "BUTTON=reset");
-+ add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released"));
-+ sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ);
-+ add_msg(skb, buf);
-+ snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
-+ add_msg(skb, buf);
-+
-+ NETLINK_CB(skb).dst_group = 1;
-+ netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
-+
-+done:
-+ kfree(event);
-+}
-+
-+static void
-+reset_button_poll(unsigned long unused)
-+{
-+ struct event_t *event;
-+ int gpio = ~0;
-+
-+ if(!no_release_workaround)
-+ return;
-+
-+ gpio = ar231x_gpiodev->get();
-+ gpio &= (1 << (AR531X_RESET_GPIO_IRQ - AR531X_GPIO_IRQ_BASE));
-+ if(gpio) {
-+ rst_button_timer.expires = jiffies + (HZ / 4);
-+ add_timer(&rst_button_timer);
-+ return;
-+ }
-+
-+ event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
-+ if (!event)
-+ return;
-+
-+ event->set = 0;
-+ event->jiffies = jiffies;
-+ INIT_WORK(&event->wq, hotplug_button);
-+ schedule_work(&event->wq);
-+}
-+
-+static irqreturn_t
-+button_handler(int irq, void *dev_id)
-+{
-+ static int pressed = 0;
-+ struct event_t *event;
-+ u32 gpio = ~0;
-+
-+ event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
-+ if (!event)
-+ return IRQ_NONE;
-+
-+ pressed = !pressed;
-+
-+ gpio = ar231x_gpiodev->get() & (1 << (irq - AR531X_GPIO_IRQ_BASE));
-+
-+ event->set = gpio;
-+ if(!event->set)
-+ no_release_workaround = 0;
-+
-+ event->jiffies = jiffies;
-+
-+ INIT_WORK(&event->wq, hotplug_button);
-+ schedule_work(&event->wq);
-+
-+ seen = jiffies;
-+ if(event->set && no_release_workaround)
-+ mod_timer(&rst_button_timer, jiffies + (HZ / 4));
-+
-+ return IRQ_HANDLED;
-+}
-+
-+
-+static int __init
-+ar231x_init_reset(void)
-+{
-+ seen = jiffies;
-+
-+ if (ar231x_board.config->resetConfigGpio == 0xffff)
-+ return -ENODEV;
-+
-+ init_timer(&rst_button_timer);
-+ rst_button_timer.function = reset_button_poll;
-+ rst_button_timer.expires = jiffies + HZ / 50;
-+ add_timer(&rst_button_timer);
-+
-+ request_irq(AR531X_RESET_GPIO_IRQ, &button_handler, IRQF_SAMPLE_RANDOM, "ar231x_reset", NULL);
-+
-+ return 0;
-+}
-+
-+module_init(ar231x_init_reset);