diff options
Diffstat (limited to 'target/linux/atheros/patches-2.6.28/210-reset_button.patch')
| -rw-r--r-- | target/linux/atheros/patches-2.6.28/210-reset_button.patch | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/target/linux/atheros/patches-2.6.28/210-reset_button.patch b/target/linux/atheros/patches-2.6.28/210-reset_button.patch deleted file mode 100644 index b94b11d0df..0000000000 --- a/target/linux/atheros/patches-2.6.28/210-reset_button.patch +++ /dev/null @@ -1,171 +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-$(CONFIG_ATHEROS_AR5312) += ar5312.o - obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o - obj-$(CONFIG_ATHEROS_AR2315_PCI) += pci.o ---- /dev/null -+++ b/arch/mips/ar231x/reset.c -@@ -0,0 +1,157 @@ -+#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; -+ -+ 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); |