2.6 sysfs patches + stubs in drmP.h for 2.4 compatibility
parent
c3e2685e82
commit
13724f032e
|
@ -243,6 +243,18 @@ static inline unsigned iminor(struct inode *inode)
|
||||||
|
|
||||||
#define old_encode_dev(x) (x)
|
#define old_encode_dev(x) (x)
|
||||||
|
|
||||||
|
struct class_simple;
|
||||||
|
struct device;
|
||||||
|
|
||||||
|
static inline void *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
|
||||||
|
{ return NULL;}
|
||||||
|
|
||||||
|
static inline void class_simple_device_remove(dev_t dev){};
|
||||||
|
|
||||||
|
static inline void class_simple_destroy(struct class_simple *cs){};
|
||||||
|
|
||||||
|
static inline struct class_simple *class_simple_create(struct module *owner, char *name) { return NULL; }
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifndef REMAP_PAGE_RANGE_5_ARGS
|
#ifndef REMAP_PAGE_RANGE_5_ARGS
|
||||||
|
|
|
@ -36,6 +36,8 @@
|
||||||
|
|
||||||
#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */
|
#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */
|
||||||
|
|
||||||
|
static struct class_simple *drm_class;
|
||||||
|
|
||||||
/** Stub list. One for each minor. */
|
/** Stub list. One for each minor. */
|
||||||
static struct drm_stub_list {
|
static struct drm_stub_list {
|
||||||
const char *name;
|
const char *name;
|
||||||
|
@ -118,6 +120,7 @@ static int DRM(stub_getminor)(const char *name, struct file_operations *fops,
|
||||||
DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root),
|
DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root),
|
||||||
&DRM(stub_list)[i]
|
&DRM(stub_list)[i]
|
||||||
.dev_root);
|
.dev_root);
|
||||||
|
class_simple_device_add(drm_class, MKDEV(DRM_MAJOR, i), NULL, name);
|
||||||
return i;
|
return i;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -142,6 +145,7 @@ static int DRM(stub_putminor)(int minor)
|
||||||
DRM(proc_cleanup)(minor, DRM(stub_root),
|
DRM(proc_cleanup)(minor, DRM(stub_root),
|
||||||
DRM(stub_list)[minor].dev_root);
|
DRM(stub_list)[minor].dev_root);
|
||||||
if (minor) {
|
if (minor) {
|
||||||
|
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
|
||||||
inter_module_put("drm");
|
inter_module_put("drm");
|
||||||
} else {
|
} else {
|
||||||
inter_module_unregister("drm");
|
inter_module_unregister("drm");
|
||||||
|
@ -149,6 +153,8 @@ static int DRM(stub_putminor)(int minor)
|
||||||
sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
|
sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
|
||||||
DRM_MEM_STUB);
|
DRM_MEM_STUB);
|
||||||
unregister_chrdev(DRM_MAJOR, "drm");
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
|
||||||
|
class_simple_destroy(drm_class);
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -171,10 +177,23 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
|
||||||
drm_device_t *dev)
|
drm_device_t *dev)
|
||||||
{
|
{
|
||||||
struct drm_stub_info *i = NULL;
|
struct drm_stub_info *i = NULL;
|
||||||
|
int ret1;
|
||||||
|
int ret2;
|
||||||
|
|
||||||
DRM_DEBUG("\n");
|
DRM_DEBUG("\n");
|
||||||
if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops)))
|
ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops));
|
||||||
|
if (!ret1) {
|
||||||
|
drm_class = class_simple_create(THIS_MODULE, "drm");
|
||||||
|
if (IS_ERR(drm_class)) {
|
||||||
|
printk (KERN_ERR "Error creating drm class.\n");
|
||||||
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
return PTR_ERR(drm_class);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (ret1 == -EBUSY)
|
||||||
i = (struct drm_stub_info *)inter_module_get("drm");
|
i = (struct drm_stub_info *)inter_module_get("drm");
|
||||||
|
else
|
||||||
|
return -1;
|
||||||
|
|
||||||
if (i) {
|
if (i) {
|
||||||
/* Already registered */
|
/* Already registered */
|
||||||
|
@ -187,8 +206,18 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
|
||||||
DRM_DEBUG("calling inter_module_register\n");
|
DRM_DEBUG("calling inter_module_register\n");
|
||||||
inter_module_register("drm", THIS_MODULE, &DRM(stub_info));
|
inter_module_register("drm", THIS_MODULE, &DRM(stub_info));
|
||||||
}
|
}
|
||||||
if (DRM(stub_info).info_register)
|
if (DRM(stub_info).info_register) {
|
||||||
return DRM(stub_info).info_register(name, fops, dev);
|
ret2 = DRM(stub_info).info_register(name, fops, dev);
|
||||||
|
if (ret2) {
|
||||||
|
if (!ret1) {
|
||||||
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
class_simple_destroy(drm_class);
|
||||||
|
}
|
||||||
|
if (!i)
|
||||||
|
inter_module_unregister("drm");
|
||||||
|
}
|
||||||
|
return ret2;
|
||||||
|
}
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
12
linux/drmP.h
12
linux/drmP.h
|
@ -243,6 +243,18 @@ static inline unsigned iminor(struct inode *inode)
|
||||||
|
|
||||||
#define old_encode_dev(x) (x)
|
#define old_encode_dev(x) (x)
|
||||||
|
|
||||||
|
struct class_simple;
|
||||||
|
struct device;
|
||||||
|
|
||||||
|
static inline void *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
|
||||||
|
{ return NULL;}
|
||||||
|
|
||||||
|
static inline void class_simple_device_remove(dev_t dev){};
|
||||||
|
|
||||||
|
static inline void class_simple_destroy(struct class_simple *cs){};
|
||||||
|
|
||||||
|
static inline struct class_simple *class_simple_create(struct module *owner, char *name) { return NULL; }
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifndef REMAP_PAGE_RANGE_5_ARGS
|
#ifndef REMAP_PAGE_RANGE_5_ARGS
|
||||||
|
|
|
@ -36,6 +36,8 @@
|
||||||
|
|
||||||
#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */
|
#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */
|
||||||
|
|
||||||
|
static struct class_simple *drm_class;
|
||||||
|
|
||||||
/** Stub list. One for each minor. */
|
/** Stub list. One for each minor. */
|
||||||
static struct drm_stub_list {
|
static struct drm_stub_list {
|
||||||
const char *name;
|
const char *name;
|
||||||
|
@ -118,6 +120,7 @@ static int DRM(stub_getminor)(const char *name, struct file_operations *fops,
|
||||||
DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root),
|
DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root),
|
||||||
&DRM(stub_list)[i]
|
&DRM(stub_list)[i]
|
||||||
.dev_root);
|
.dev_root);
|
||||||
|
class_simple_device_add(drm_class, MKDEV(DRM_MAJOR, i), NULL, name);
|
||||||
return i;
|
return i;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -142,6 +145,7 @@ static int DRM(stub_putminor)(int minor)
|
||||||
DRM(proc_cleanup)(minor, DRM(stub_root),
|
DRM(proc_cleanup)(minor, DRM(stub_root),
|
||||||
DRM(stub_list)[minor].dev_root);
|
DRM(stub_list)[minor].dev_root);
|
||||||
if (minor) {
|
if (minor) {
|
||||||
|
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
|
||||||
inter_module_put("drm");
|
inter_module_put("drm");
|
||||||
} else {
|
} else {
|
||||||
inter_module_unregister("drm");
|
inter_module_unregister("drm");
|
||||||
|
@ -149,6 +153,8 @@ static int DRM(stub_putminor)(int minor)
|
||||||
sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
|
sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS,
|
||||||
DRM_MEM_STUB);
|
DRM_MEM_STUB);
|
||||||
unregister_chrdev(DRM_MAJOR, "drm");
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
class_simple_device_remove(MKDEV(DRM_MAJOR, minor));
|
||||||
|
class_simple_destroy(drm_class);
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -171,10 +177,23 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
|
||||||
drm_device_t *dev)
|
drm_device_t *dev)
|
||||||
{
|
{
|
||||||
struct drm_stub_info *i = NULL;
|
struct drm_stub_info *i = NULL;
|
||||||
|
int ret1;
|
||||||
|
int ret2;
|
||||||
|
|
||||||
DRM_DEBUG("\n");
|
DRM_DEBUG("\n");
|
||||||
if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops)))
|
ret1 = register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops));
|
||||||
|
if (!ret1) {
|
||||||
|
drm_class = class_simple_create(THIS_MODULE, "drm");
|
||||||
|
if (IS_ERR(drm_class)) {
|
||||||
|
printk (KERN_ERR "Error creating drm class.\n");
|
||||||
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
return PTR_ERR(drm_class);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (ret1 == -EBUSY)
|
||||||
i = (struct drm_stub_info *)inter_module_get("drm");
|
i = (struct drm_stub_info *)inter_module_get("drm");
|
||||||
|
else
|
||||||
|
return -1;
|
||||||
|
|
||||||
if (i) {
|
if (i) {
|
||||||
/* Already registered */
|
/* Already registered */
|
||||||
|
@ -187,8 +206,18 @@ int DRM(stub_register)(const char *name, struct file_operations *fops,
|
||||||
DRM_DEBUG("calling inter_module_register\n");
|
DRM_DEBUG("calling inter_module_register\n");
|
||||||
inter_module_register("drm", THIS_MODULE, &DRM(stub_info));
|
inter_module_register("drm", THIS_MODULE, &DRM(stub_info));
|
||||||
}
|
}
|
||||||
if (DRM(stub_info).info_register)
|
if (DRM(stub_info).info_register) {
|
||||||
return DRM(stub_info).info_register(name, fops, dev);
|
ret2 = DRM(stub_info).info_register(name, fops, dev);
|
||||||
|
if (ret2) {
|
||||||
|
if (!ret1) {
|
||||||
|
unregister_chrdev(DRM_MAJOR, "drm");
|
||||||
|
class_simple_destroy(drm_class);
|
||||||
|
}
|
||||||
|
if (!i)
|
||||||
|
inter_module_unregister("drm");
|
||||||
|
}
|
||||||
|
return ret2;
|
||||||
|
}
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue