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|
--- zaptel/zaptel.c.orig 2005-01-03 23:31:28.266487240 +0100
+++ zaptel/zaptel.c 2005-01-03 23:20:16.149664528 +0100
@@ -143,12 +143,14 @@
/* Here are a couple important little additions for devfs */
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
static devfs_handle_t zaptel_devfs_dir;
static devfs_handle_t channel;
static devfs_handle_t pseudo;
static devfs_handle_t ctl;
static devfs_handle_t timer;
#endif
+#endif
/* udev necessary data structures. Yeah! */
#ifdef CONFIG_ZAP_UDEV
@@ -1087,6 +1089,7 @@
}
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
static devfs_handle_t register_devfs_channel(struct zt_chan *chan, devfs_handle_t dir)
{
char path[100];
@@ -1129,6 +1132,36 @@
return chan_dev;
}
+#else
+static dev_t register_devfs_channel(struct zt_chan *chan, dev_t dir)
+{
+#ifdef HAS_DEVFS_MK_SYMLINK
+ char link[100];
+ char path[100];
+#endif
+ dev_t chan_dev;
+ umode_t mode = S_IFCHR|S_IRUGO|S_IWUGO;
+
+ /* create /dev/zap/span%d/%d channel device node */
+ if ((chan_dev = devfs_mk_cdev(MKDEV(ZT_MAJOR, chan->channo), mode, "zap/span%d/%d", dir, chan->chanpos)) < 0) {
+ printk("zaptel: Something really bad happened. Unable to register devfs entry\n");
+ return 0;
+ }
+
+#ifdef HAS_DEVFS_MK_SYMLINK
+ /* link /dev/zap/span%d/%d -> /dev/zap/%d ?!? */
+ sprintf(path, "zap/span%d/%d", dir, chan->chanpos);
+ sprintf(link, "zap/%d", chan->channo);
+ devfs_mk_symlink(link, path);
+#else
+ /* register /dev/zap/%d channel node directly */
+ if(devfs_mk_cdev(MKDEV(ZT_MAJOR, chan->channo), mode, "zap/%d", chan->channo) < 0) {
+ printk("zaptel: Unable to register compat devfs entry\n");
+ }
+#endif
+ return chan_dev;
+}
+#endif
#endif /* CONFIG_DEVFS_FS */
static int zt_chan_reg(struct zt_chan *chan)
@@ -4304,6 +4337,7 @@
#endif
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
{
char span_name[50];
sprintf(span_name, "span%d", span->spanno);
@@ -4313,6 +4347,15 @@
chan->fhandle = register_devfs_channel(chan, chan->span->dhandle); /* Register our stuff with devfs */
}
}
+#else
+ {
+ devfs_mk_dir("zap/span%d", span->spanno);
+ for (x = 0; x < span->channels; x++) {
+ struct zt_chan *chan = &span->chans[x];
+ register_devfs_channel(chan, span->spanno); /* Register our stuff with devfs */
+ }
+ }
+#endif
#endif /* CONFIG_DEVFS_FS */
#ifdef CONFIG_ZAP_UDEV
@@ -4360,11 +4403,22 @@
remove_proc_entry(tempfile, NULL);
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
for (x = 0; x < span->channels; x++) {
devfs_unregister(span->chans[x].fhandle);
devfs_unregister(span->chans[x].fhandle_symlink);
}
devfs_unregister(span->dhandle);
+#else
+ for (x = 0; x < span->channels; x++) {
+ /* remove symlink/compat device first */
+ devfs_remove("zap/%d", span->chans[x].channo);
+ /* remove channel device */
+ devfs_remove("zap/span%d/%d", span->spanno, span->chans[x].chanpos);
+ }
+ /* remove span dir */
+ devfs_remove("zap/span%d", span->spanno);
+#endif
#endif /* CONFIG_DEVFS_FS */
#ifdef CONFIG_ZAP_UDEV
@@ -6301,6 +6355,7 @@
#endif /* CONFIG_ZAP_UDEV */
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
{
umode_t mode = S_IFCHR|S_IRUGO|S_IWUGO;
devfs_register_chrdev(ZT_MAJOR, "zaptel", &zt_fops);
@@ -6312,6 +6367,22 @@
ctl = devfs_register(zaptel_devfs_dir, "ctl", DEVFS_FL_DEFAULT, ZT_MAJOR, 0, mode, &zt_fops, NULL);
}
#else
+ {
+ umode_t mode = S_IFCHR|S_IRUGO|S_IWUGO;
+ if ((res = register_chrdev(ZT_MAJOR, "zaptel", &zt_fops)) < 0) {
+ printk(KERN_ERR "Unable to register for device on %d, error: %d\n", ZT_MAJOR, res);
+ return res;
+ }
+
+ devfs_mk_dir("zap");
+
+ devfs_mk_cdev(MKDEV(ZT_MAJOR, 253), mode, "zap/timer");
+ devfs_mk_cdev(MKDEV(ZT_MAJOR, 254), mode, "zap/channel");
+ devfs_mk_cdev(MKDEV(ZT_MAJOR, 255), mode, "zap/pseudo");
+ devfs_mk_cdev(MKDEV(ZT_MAJOR, 0), mode, "zap/ctl");
+ }
+#endif
+#else
if ((res = register_chrdev(ZT_MAJOR, "zaptel", &zt_fops))) {
printk(KERN_ERR "Unable to register tor device on %d\n", ZT_MAJOR);
return res;
@@ -6342,6 +6413,7 @@
if (tone_zones[x])
kfree(tone_zones[x]);
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
devfs_unregister(timer);
devfs_unregister(channel);
devfs_unregister(pseudo);
@@ -6357,6 +6429,16 @@
class_simple_destroy(zap_class);
#endif /* CONFIG_ZAP_UDEV */
unregister_chrdev(ZT_MAJOR, "zaptel");
+
+ devfs_remove("zap/timer");
+ devfs_remove("zap/ctl");
+ devfs_remove("zap/pseudo");
+ devfs_remove("zap/channel");
+
+ devfs_remove("zap");
+#endif
+#else
+ unregister_chrdev(ZT_MAJOR, "zaptel");
#endif
#ifdef CONFIG_ZAPTEL_WATCHDOG
watchdog_cleanup();
--- zaptel/zaptel.h.orig 2005-01-03 23:31:32.029915112 +0100
+++ zaptel/zaptel.h 2005-01-03 23:20:18.380325416 +0100
@@ -46,18 +46,17 @@
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#define LINUX26
+/* devfs_mk_symlink has been removed in 2.6.10 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
+#define HAS_DEVFS_MK_SYMLINK
+#endif
#endif
#include "ecdis.h"
#include "fasthdlc.h"
#endif
#ifdef CONFIG_DEVFS_FS
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#include <linux/devfs_fs_kernel.h>
-#else
-#undef CONFIG_DEVFS_FS
-//#warning "Zaptel doesn't support DEVFS in post 2.4 kernels. Disabling DEVFS in zaptel"
-#endif
#endif /* CONFIG_DEVFS_FS */
#include <linux/ioctl.h>
@@ -65,6 +64,8 @@
#define ELAST 500
#endif
+
+
/* Per-span configuration values */
#define ZT_CONFIG_TXLEVEL 7 /* bits 0-2 are tx level */
@@ -1123,8 +1124,10 @@
#endif
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
devfs_handle_t fhandle; /* File handle in devfs for the channel */
devfs_handle_t fhandle_symlink;
+#endif
#endif /* CONFIG_DEVFS_FS */
};
@@ -1254,7 +1257,9 @@
int lastalarms; /* Previous alarms */
#ifdef CONFIG_DEVFS_FS
+#ifndef LINUX26
devfs_handle_t dhandle; /* Directory name */
+#endif
#endif
/* If the watchdog detects no received data, it will call the
watchdog routine */
|
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