From d7502c446b47c04e5630534663f6aca0dcb60b1d Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Sun, 23 Sep 2007 00:32:31 +0000
Subject: [PATCH] added option to atheros kernel to be able to disable reset
button from inside the fon mp3 driver
SVN-Revision: 8969
---
package/fonera-mp3-drv/src/mp3_drv.c | 5 +++++
.../atheros/files/arch/mips/atheros/reset.c | 17 +++++++++++++++--
.../files/include/asm-mips/mach-atheros/reset.h | 6 ++++++
3 files changed, 26 insertions(+), 2 deletions(-)
create mode 100644 target/linux/atheros/files/include/asm-mips/mach-atheros/reset.h
diff --git a/package/fonera-mp3-drv/src/mp3_drv.c b/package/fonera-mp3-drv/src/mp3_drv.c
index a2d8c79ae6..82863ac411 100644
--- a/package/fonera-mp3-drv/src/mp3_drv.c
+++ b/package/fonera-mp3-drv/src/mp3_drv.c
@@ -31,6 +31,7 @@
#include <linux/init.h>
#include <linux/genhd.h>
#include <linux/device.h>
+#include <asm-mips/mach-atheros/reset.h>
// do we want debuging info ?
#if 0
@@ -282,6 +283,10 @@ static int __init mod_init(void){
printk("mp3_drv.ko : Made by John '2B|!2B' Crispin (john@phrozen.org)\n");
printk("mp3_drv.ko : Starting ...\n");
+ printk("disabling atheros reset button irq\n");
+
+ ar531x_disable_reset_button();
+
if(register_chrdev(DEV_MAJOR, DEV_NAME, &modulemp3_fops)) {
printk( "mp3_drv.ko : Error whilst opening %s (%d)\n", DEV_NAME, DEV_MAJOR);
return( -ENODEV );
diff --git a/target/linux/atheros/files/arch/mips/atheros/reset.c b/target/linux/atheros/files/arch/mips/atheros/reset.c
index d62c5e1c4e..cc2fb251a1 100644
--- a/target/linux/atheros/files/arch/mips/atheros/reset.c
+++ b/target/linux/atheros/files/arch/mips/atheros/reset.c
@@ -10,12 +10,16 @@
#include "ar531x.h"
#include "ar5315/ar5315.h"
+#define AR531X_RESET_GPIO_IRQ (AR531X_GPIO_IRQ_BASE + bcfg->resetConfigGpio)
+
struct event_t {
struct work_struct wq;
int set;
long int jiffies;
};
+static struct ar531x_boarddata *bcfg;
+
extern struct sock *uevent_sock;
extern u64 uevent_next_seqnum(void);
static int seen;
@@ -94,15 +98,24 @@ static irqreturn_t button_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+void ar531x_disable_reset_button(void)
+{
+ disable_irq(AR531X_RESET_GPIO_IRQ);
+}
+
+EXPORT_SYMBOL(ar531x_disable_reset_button);
+
int __init ar531x_init_reset(void)
{
- struct ar531x_boarddata *bcfg;
bcfg = (struct ar531x_boarddata *) board_config;
seen = jiffies;
- request_irq(AR531X_GPIO_IRQ_BASE + bcfg->resetConfigGpio, &button_handler, IRQF_SAMPLE_RANDOM, "ar531x_reset", NULL);
+
+ request_irq(AR531X_RESET_GPIO_IRQ, &button_handler, IRQF_SAMPLE_RANDOM, "ar531x_reset", NULL);
return 0;
}
+
+
module_init(ar531x_init_reset);
diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/reset.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/reset.h
new file mode 100644
index 0000000000..e9fa4c5b16
--- /dev/null
+++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/reset.h
@@ -0,0 +1,6 @@
+#ifndef __AR531X_RESET_H
+#define __AR531X_RESET_H
+
+void ar531x_disable_reset_button(void);
+
+#endif /* __AR531X_RESET_H */
--
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