Added patch to automatically create sysfs entries for buzzer, leds and buttons.

(mr_claus)

diff --git a/packages/linux/openslug-kernel-2.6.11.2/nslu2-io.c b/packages/linux/openslug-kernel-2.6.11.2/nslu2-io.c
index 8e3ca89..d27b673 100644 (file)
--- a/packages/linux/openslug-kernel-2.6.11.2/nslu2-io.c
+++ b/packages/linux/openslug-kernel-2.6.11.2/nslu2-io.c
@@ -65,9 +65,9 @@
 
 #define VERSION                        "0.1.7"
 
-#define N2RB_MAJOR             60
-#define N2PB_MAJOR             61
-#define        N2BZ_MAJOR              62
+#define N2RB_MAJOR             60              //rbuttons
+#define N2PB_MAJOR             61              //pbuttons
+#define        N2BZ_MAJOR              62              //buzzer
 #define N2LM_MAJOR             126
 
 #define N2PB_IRQ               22              //gpio5
@@ -176,6 +176,9 @@ static struct timer_list n2rb_timer;
 static struct timer_list n2pb_timer;
 static struct timer_list n2bz_timer;           //beeper
 
+// sysfs class
+static struct class_simple *n2lm_class;
+
 //==================================================================================================
 //
 // Blinking is handled entirely by the 4 timer handlers.  On timeout, the bit in the
@@ -693,22 +696,36 @@ static int __init n2iom_init(void)
        printk(KERN_DEBUG "init_jiffy=%ld\n",init_jiffy);
        n2iom_initarch();
 
+       n2lm_class = class_simple_create(THIS_MODULE, "nslu2");
+
        if (register_chrdev(N2RB_MAJOR, "n2_rbm", &n2pb_fops) < NOERR) {
                printk(KERN_DEBUG "Reset Button Major %d not available\n", N2RB_MAJOR);
                return -EBUSY;
        }
+       else {
+               class_simple_device_add(n2lm_class, MKDEV(N2RB_MAJOR, 0), NULL, "rbuttons");
+       }
        if (register_chrdev(N2PB_MAJOR, "n2_pbm", &n2rb_fops) < NOERR) {
                printk(KERN_DEBUG "Power Button Major %d not available\n", N2PB_MAJOR);
                return -EBUSY;
        }
+       else {
+               class_simple_device_add(n2lm_class, MKDEV(N2PB_MAJOR, 0), NULL, "pbuttons");
+       }
        if (register_chrdev(N2LM_MAJOR, "n2_ledm", &n2lm_fops) < NOERR) {
                printk(KERN_DEBUG "Led Manager Major %d not available\n", N2LM_MAJOR);
                return -EBUSY;
        }
+       else {
+               class_simple_device_add(n2lm_class, MKDEV(N2LM_MAJOR, 0), NULL, "leds");
+       }
        if (register_chrdev(N2BZ_MAJOR, "n2_bzm", &n2bz_fops) < NOERR) {
                printk(KERN_DEBUG "Buzzer Major %d not available\n", N2BZ_MAJOR);
                return -EBUSY;
        }
+       else {
+               class_simple_device_add(n2lm_class, MKDEV(N2BZ_MAJOR, 0), NULL, "buzzer");
+       }
 
        if (request_irq(N2RB_IRQ, &n2rb_handler, SA_INTERRUPT, "n2_rb", NULL) < NOERR) {
                printk(KERN_DEBUG "Reset Button IRQ %d not available\n", N2RB_IRQ);
@@ -732,14 +749,20 @@ static void __exit n2iom_exit(void)
        del_timer(&n2rb_timer);
        free_irq(N2RB_IRQ,NULL);
        unregister_chrdev(N2PB_MAJOR, "n2pb");
+       class_simple_device_remove(MKDEV(N2PB_MAJOR, 0));
        del_timer(&n2pb_timer); 
        free_irq(N2PB_IRQ, NULL);
        unregister_chrdev(N2RB_MAJOR, "n2rb" );
+       class_simple_device_remove(MKDEV(N2RB_MAJOR, 0));
        del_timer(&n2lm_rsg_timer);
        del_timer(&n2lm_rsr_timer);
        del_timer(&n2lm_d1_timer);
        del_timer(&n2lm_d2_timer);      
        unregister_chrdev(N2LM_MAJOR, "n2lm" );
+       class_simple_device_remove(MKDEV(N2LM_MAJOR, 0));
+       unregister_chrdev(N2BZ_MAJOR, "n2bz");
+       class_simple_device_remove(MKDEV(N2BZ_MAJOR, 0));
+       class_simple_destroy(n2lm_class);
 }
 
 module_init (n2iom_init);