From d7502c446b47c04e5630534663f6aca0dcb60b1d Mon Sep 17 00:00:00 2001 From: John Crispin 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 #include #include +#include // 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 */ -- 2.25.1