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Driver core: Fix up build when CONFIG_BLOCK=N 

This fixes up the driver core build errors when CONFIG_BLOCK=N

Thanks to Alexander van Heukelum <heukelum@mailshack.com> for the basis
of this patch, and to Jeremy Fitzhardinge <jeremy@goop.org> for
reporting the problem.


Cc: Alexander van Heukelum <heukelum@mailshack.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Greg Kroah-Hartman 2008-01-27 12:12:43 -08:00
parent 91525300ba
commit 4e886c2961
2 changed files with 20 additions and 12 deletions
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2
drivers/base/class.c
View File

@ -149,7 +149,7 @@ int class_register(struct class *cls)
if (error)
return error;
#ifdef CONFIG_SYSFS_DEPRECATED
#if defined(CONFIG_SYSFS_DEPRECATED) && defined(CONFIG_BLOCK)
/* let the block class directory show up in the root of sysfs */
if (cls != &block_class)
cls->subsys.kobj.kset = class_kset;

30
drivers/base/core.c
View File

@ -27,9 +27,17 @@
int (*platform_notify)(struct device *dev) = NULL;
int (*platform_notify_remove)(struct device *dev) = NULL;
/*
* sysfs bindings for devices.
*/
#ifdef CONFIG_BLOCK
static inline int device_is_not_partition(struct device *dev)
{
return !(dev->type == &part_type);
}
#else
static inline int device_is_not_partition(struct device *dev)
{
return 1;
}
#endif
/**
* dev_driver_string - Return a device's driver name, if at all possible
@ -652,14 +660,14 @@ static int device_add_class_symlinks(struct device *dev)
#ifdef CONFIG_SYSFS_DEPRECATED
/* stacked class devices need a symlink in the class directory */
if (dev->kobj.parent != &dev->class->subsys.kobj &&
dev->type != &part_type) {
device_is_not_partition(dev)) {
error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj,
dev->bus_id);
if (error)
goto out_subsys;
}
if (dev->parent && dev->type != &part_type) {
if (dev->parent && device_is_not_partition(dev)) {
struct device *parent = dev->parent;
char *class_name;
@ -688,11 +696,11 @@ static int device_add_class_symlinks(struct device *dev)
return 0;
out_device:
if (dev->parent && dev->type != &part_type)
if (dev->parent && device_is_not_partition(dev))
sysfs_remove_link(&dev->kobj, "device");
out_busid:
if (dev->kobj.parent != &dev->class->subsys.kobj &&
dev->type != &part_type)
device_is_not_partition(dev))
sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id);
#else
/* link in the class directory pointing to the device */
@ -701,7 +709,7 @@ out_busid:
if (error)
goto out_subsys;
if (dev->parent && dev->type != &part_type) {
if (dev->parent && device_is_not_partition(dev)) {
error = sysfs_create_link(&dev->kobj, &dev->parent->kobj,
"device");
if (error)
@ -725,7 +733,7 @@ static void device_remove_class_symlinks(struct device *dev)
return;
#ifdef CONFIG_SYSFS_DEPRECATED
if (dev->parent && dev->type != &part_type) {
if (dev->parent && device_is_not_partition(dev)) {
char *class_name;
class_name = make_class_name(dev->class->name, &dev->kobj);
@ -737,10 +745,10 @@ static void device_remove_class_symlinks(struct device *dev)
}
if (dev->kobj.parent != &dev->class->subsys.kobj &&
dev->type != &part_type)
device_is_not_partition(dev))
sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id);
#else
if (dev->parent && dev->type != &part_type)
if (dev->parent && device_is_not_partition(dev))
sysfs_remove_link(&dev->kobj, "device");
sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id);